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Uba, Sani Yantandu. "Authorial stance in accounting PhD theses in a Nigerian university." Thesis, University of Leeds, 2017. http://etheses.whiterose.ac.uk/18754/.
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Stance has emerged in the literature on academic writing in a major way, and as an important and pervasive mechanism by which academic writers ‘inhabit’ their writing and give it distinctiveness (Baynham, 2011; 2014). In this study, I investigate what linguistic markers of stance accounting PhD authors are more frequently used in Bayero University Kano, Nigeria and what factors might constrain or influence their use. I draw primarily on a corpus-based textual analysis but complement this with a consideration of institutional and disciplinary factors which might explain why the writers investigated write as they do. I employ nine participants: six accounting PhD authors and three accounting PhD supervisors. I compile a corpus of six accounting PhD theses from Bayero University, Kano, Nigeria (BUK corpus), and an accounting sub-corpus: four accounting UK PhD theses (UK corpus) for comparative analysis with the BUK corpus. The result of comparative corpus-based textual analysis between BUK theses shows that there are certain similarities and differences in terms of using stance markers. For example, in terms of similarities all the six authors use higher frequencies of booster than the other categories of stance markers in their result sections; whereas in their conclusion section they all use higher frequencies of hedges than the other categories of stance markers. They also use few restricted typologies of each category of stance markers. On the other hand, there are certain differences in using stance markers, for example, only two out of the six authors use explicit self-mention features. Overall comparative results show that three authors use higher frequencies of hedge than the other categories of stance markers; whereas two authors use higher frequencies of booster than the other categories of stance markers; and one author use same frequency for both booster and hedge. The result of comparative corpus-based textual analysis between the BUK and UK corpora still shows there are certain similarities and differences that both corpora have higher frequencies of hedges than the other categories of stance markers. On the other hand, UK corpus has higher frequencies of attitude markers, neutral stance markers, explicit self-mention features; whereas BUK corpus has higher frequencies of hedge and booster. The contextual data however suggests that several factors might have constrained some of the accounting PhD authors (BUK) to use explicit self-mention features. Some of the factors are: the traditional practices of the University and Department discouraging the students to make themselves explicitly present through the use of personal pronouns; unequal power relationship between lecturers and students; a lack of explicit assumptions of academic writing, as well as absence of explicit statements or rules provided regarding the use of linguistic markers of stance in feedback provided during the supervision process. This study proposes an additional analytic category of stance into Hyland’s model, influenced by Mushin’s factual epistemological stance. The new category is neutral epistemic stance. Unlike previous studies which deal only in parts of theses, this study deals with theses as complete texts in order to add our understanding and knowledge on what linguistic markers of stance are more frequently used in the discipline of accounting across whole macrostructures of the theses particularly at BUK. On the basis of these findings, this study recommends a more broadly a genre-sensitive approach to the teaching of academic writing, including explicit teaching of linguistic markers of stance rather than traditional grammar only. It also recommends raising of awareness of the students on the institutional/social practices in relation to the construction of the PhD thesis, such as the norms and conventions of the discourse community.
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Ugur, Erdogmus Feray. "Research Trends In Ceit Ms And Phd. Theses In Turkey: A Content Analysis." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/12610394/index.pdf.
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The main aim of this study is to look for trends in the instructional technology field in Turkey and to visualize general tendencies in the field in research topics, research types, and methodologies. Content analysis research design was used in this study. In this study, the unit of analysis was MS theses and PhD. theses published in instructional technology departments in Turkey, and the researcher aimed to analyze all of the population. Hence, 215 MS theses and 32 PhD. theses were analyzed in this study.
The data were categorized according to characteristics of the MS theses and PhD. theses (author, university, advisor, and publication year), research topics, research methods, sample type, sample size, data collection methods and research settings. These categories were statistically analyzed. In these statistical analyses both frequencies of these categories and fluctuations of these categories in time were analyzed.
The findings of the study indicated that most of the MS theses were published in the Middle East Technical University and most of the dissertations were published in Ankara University. In addition to this, most of the MS theses and PhD. theses used quantitative research methods, and experimental studies were the most popular type. Not surprisingly, the study results revealed that convenient sampling was the most preferred sampling method and most of the studies used 31 &ndash<br>100 subjects in their samples. Moreover, questionnaires, aptitude tests and interview schedules were the most common data gathering instruments used, and higher education was the most preferred research environment for the studies analyzed. Finally, most of the MS theses and PhD. theses focused on delivery system media formats, comparison studies and learner variables.
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Australian, National University Division of Information Library, danny kingsley edu au, and Digital thesis coordinator. "ANU Library - Publicly Available Digital Theses (ADT)." University Librarian, 2001. http://thesis.anu.edu.au/templates/digtheses.dwt.
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Thompson, Paul. "A pedagogically-motivated corpus-based examination of PhD theses : macrostructure, citation practices and uses of modal verbs." Thesis, University of Reading, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.393751.
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Kwan, Becky Siu Chu. "A genre analysis of literature reviews in doctoral theses /." access full-text access abstract and table of contents, 2005. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?phd-en-b19887632a.pdf.
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Thesis (Ph.D.)--City University of Hong Kong, 2005.<br>"Submitted to Department of English and Communication in partial fulfillment of the requirements for the degree of Doctor of Philosophy" Includes bibliographical references (leaves 351-359)
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Eccles, Yvonne. "Portfolio of original compositions." Thesis, University of Manchester, 2017. https://www.research.manchester.ac.uk/portal/en/theses/portfolio-of-original-compositions(ef18ee8d-af9e-4457-9659-807fec1b4722).html.
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The objective in this compositional research has been to create a portfolio of compositions with the goal of developing my musical language. This has been achieved through a portfolio that explores characterisation, transformation, dialogue, interaction, contrast and, latterly, timbre in the context of a teleological framework. Seven works are presented for a range of instrumental and vocal forces according to the opportunities taken throughout the research period. The majority of the works in the portfolio are under 10 minutes in duration and the final two cumulative works explore longer timeframes of c.15 and c.30 minutes respectively. The seven pieces are presented in the order of completion:1. Multiple Infection (2010) for clarinet, cello, percussion and piano.2. Contrasting Spectrum (2011) for flute, clarinet, violin, cello and piano.3. Splintering Factions (2012) for chamber orchestra.4. Chinese Whispers (2013) for violin and viola.5. Memoriam retinebimus (2014) for SATB choir and solo group (4 females and 2 males). 6. Sporos (2015) for string quartet.7. Relentless Continuum (2015-2016) for symphony orchestra. This portfolio also includes an analytical commentary in eight chapters prefaced with an opening section (part one) introducing the author and compositional research. This part also presents elements of the author's musical language including a short introduction of characterisation, teleology, transformation, dialogue, interaction, contrast and timbre with a brief discussion of notable influences that led to the implementation of these elements. Lastly, part two details the seven pieces of the portfolio in the form of musical commentaries over seven chapters, one piece being discussed in each chapter. The last chapter presents reflections and evaluations on the portfolio and future goals.
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Contes, Arnaud Caromel Denis Attali Isabelle. "Une architecture de sécurité hiérarchique, adaptable et dynamique pour la Grille." [S.l.] : [s.n.], 2005. http://www-sop.inria.fr/dias/Theses/phd-141.pdf.
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Aujol, Jean-François Aubert Gilles. "Contribution à l'analyse de textures en traitement d'images par méthodes variationnelles et équations aux dérivées partielles." [S. l.] : [s.n.], 2004. http://www-sop.inria.fr/dias/Theses/phd-160.pdf.
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Al, Hanbali Ahmad Altman Eitan Nain Philippe. "Évaluation des performances des réseaux sans-fil mobiles." [S.l.] : [s.n.], 2006. http://www-sop.inria.fr/dias/Theses/phd-218.pdf.
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Brunette, Christian Boussinot Frédéric. "Construction et simulation graphiques de comportements le modèle des Icobjs /." [S.l.] : [s.n.], 2004. http://www-sop.inria.fr/dias/Theses/phd-149.pdf.
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Lee, Hsing-Fen. "Career patterns and competences of PhDs in science and engineering." Thesis, University of Manchester, 2011. https://www.research.manchester.ac.uk/portal/en/theses/career-patterns-and-competences-of-phds-in-science-and-engineering(0274b908-8792-46dc-8e20-4137aadc2623).html.
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Based on a retrospective survey of science and engineering (S&E) PhDs from a UK research-based university with 7-10 years job histories and the design-based non-parametric analysing methods, this thesis drew on theories on careers, organisational knowledge and learning and labour markets to explore the interrelationship between knowledge flow and careers of science and engineering PhDs. The results showed that employment outside the conventional technical occupations is the main destination for the survey respondents. This labour market segment is not only successful at retaining its members, but is also the destination of the other career types. Furthermore, S&E PhDs in the conventional technical occupations draw quite a lot of knowledge from S&E doctoral training in their jobs, even from the subject-specific dimension of it. By contrast, members in employment outside the conventional technical occupations are less likely to perceive knowledge and skills from doctoral training to be useful in their jobs, and when they do, the emphasis is more on general analytical skills and problem solving capabilities.The results also revealed the distinctive labour market features of different S&E PhD labour market segments: the sharp contrast of the core and peripheral workers in academic/public research, the highly hybrid labour market form in employment outside the conventional technical occupations and the relatively more structured labour market features in technical positions in private sector manufacturing. Regardless of the differences, nonetheless, as a whole, organisational life is still a prominent feature of the S&E PhD labour markets. Furthermore, the extent to which fluid job mobility contributes to S&E PhDs' individual knowledge flow depends on the types of knowledge under discussion. The emerging occupations associated with the knowledge economy are characterised by high inter-organisational mobility and by an emphasis of sector-specific and general knowledge. However, even for sector-specific and general knowledge, we have demonstrated that to a certain extent, these types of knowledge and skills are sticky to organisations. Hence, S&E PhD experts and knowledge workers' careers and individual knowledge flow are not really boundaryless but moderately localised within organisations.
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Jones, Cheryl Mary. "Electrical conductance and gating of porin channels in lipid bilayers." Thesis, Bangor University, 1994. https://research.bangor.ac.uk/portal/en/theses/electrical-conductance-and-gating-of-porin-channels-in-lipid-bilayers(0756e4c9-1d47-4b11-88c7-6f52ed52dde6).html.
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The trimeric protein known as porin, found in the outer membrane of Escherichia coli, forms ion channels which have been reported to be voltage-gated. The aim of this investigation is to increase the understanding of the function of such channels, particularly with respect to voltage-gating. To achieve this, porin was first extracted from whole cells of E. coli and then it was incorporated into lipid bilayers, made using the Montal-Mueller method, for subsequent investigation. The extraction of porin from E. coli exploited both its tight association with peptidoglycan and its high level of detergent resistance. Porin was extracted from two strains of E. coli, 0111 :B4 and K12 (a rough mutant), with the resulting samples being rich in OmpF and Ompe porins respectively. Measurement of ion flow through the porin channels was made with different transmembrane voltages and with a variety of salts and salt concentrations. Such measurements enabled the selectivity of the channels to specific ions to be determined and estimates of pore diameter to be made. Instantaneous IN characteristics were asymmetrical and non-linear for both porins and were influenced by the salt concentration, pH of the electrolyte and the number of channels in the bilayer. Based on electrostatic models of gramicidin-like channels, coupled with the available structural information on porin, it was concluded that the porinlLPS complex inserts unidirectionally into the bilayer and has a net negative charge at the LPS end. The influence of the number of channels in the bilayer on the IN characteristic, most marked for the 0111 :B4 porin, was interpreted as being due to 'clusters' of channels in close association an idea supported by the results of voltage-gating experiments. Voltage-gating in single channels was shown to occur in three well defined steps, consistent with the known trimeric structure of porin. Multi-channel membranes showed several different types of current relaxation in response to a sustained voltage application. The most common type was composed of two exponential decays, suggesting the presence of two populations of closing channels. The results from voltage-gating experiments were compared with the theoretical behaviour of a simple two-state channel. This model was also extended to include entropy changes and it was concluded that porin followed the general behaviour predicted by a simple twostate model.
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Heywood, Dale Carol. "An in-depth study of entrepreneurs and PhD students' practical processes and self identities : are they really two different species?" Thesis, University of Manchester, 2012. https://www.research.manchester.ac.uk/portal/en/theses/an-indepth-study-of-entrepreneurs-and-phd-students-practical-processes-and-self-identities-are-they-really-two-different-species(b17afb1f-5f43-41f5-ba39-9ef2f1bbc6a5).html.
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This research explores two polarised occupations; entrepreneurs and PhD research students. It exposes similarities and differences between them which specifically defuse the species premise that all entrepreneurs are different and often portrayed as superior to the rest of society and that they, entrepreneurs, are diametrically opposed to PhD research students in the objectives of their work and ultimate intentions for that work. An explorative, interpretive approach is taken which helps illuminate how people understand, interpret and employ their self identity to qualify the practices of both entrepreneurship and PhDship. This methodology enabled exploration of perceptions of self and role in a small sample of people of different age, gender, class, ethnicity and economic standing of two externally polarised occupational groups. This approach permits a compare and contrast of both similarity and differences between these two roles. Qualitative interviews were conducted with six entrepreneurs and six current PhD students from two North West of England research-led universities in a multitude of disciplines and industrial sectors. Numerous existing studies have compared entrepreneurs to managers, to leaders and more recently to business students. Other studies have aimed to ascertain why some people become an entrepreneur as oppose to a salaried employee. To date, no previous research that I am aware of considers doctoral researchers in the same way, that is, as individuals making a contribution to society that is of social, economic and intellectual benefit by furthering knowledge and innovation. The findings from this research show that there are overwhelming similarities between these two occupations in both their practical processes and their sense of self. In fact, there are more differences within the two occupations than between them. It is suggested that identification of individual purpose may prove a valuable determinate of whether people select either of these occupations for socioeconomic reasons or for socioemotional ones. The contribution this research and its findings make is in the recognition of the different purposes individuals express as their primary reason for engaging in either PhD research work or venture formation. This recognition helps expand our understanding beyond the existing opportunity-necessity or push-pull hypothesis to demonstrate a more sophisticated intention based form of inquiry. Individuals in both occupations are subsequently sub categorised as conformists, alterpreneurs, changemakers or vocationalists. Conformists aim to meet perceived social expectations of them; Alterpreneurs are those who buy-a-job; Changemakers intend to improve or fix a self identified problem; Vocationalists intend to develop their skill and expertise in their chosen field.
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Zhang, Hao. "PhD thesis on liquidity of bond market." Thesis, City University London, 2013. http://openaccess.city.ac.uk/2983/.
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This thesis consists of empirical and theoretical studies on the liquidity of bond markets. In the first study, we present an extended model for the estimation of the effective bid-ask spread that improves the existing models and offers a new direction of generalisation. The quoted bid-ask spread represents the prices available at a given time for transactions only up to some relatively small trade size. Trades can be executed inside or outside the quoted bid-ask spread. Thus, we extend Roll's model to include multiple spreads of different sizes and their associated probabilities. The extended model is estimated via a Bayesian approach, and the fit of the model to a time series of a year of corporate bond transaction data is assessed by a Bayesian model selection method. Results show that our extended model fits the data better. Our second study examines the relationships between different liquidity proxies and the non-default corporate yield spread as well as the effective bid-ask spread. We first separate the non-default component of bond spreads from the default one by using the information contained in credit default swaps. We then apply our state-space extension of the Roll model to disentangle the unobservable non-default yield spread from the effective bid-ask spread. The empirical results show that the non-default yield spread has a nonlinear relationship with time to maturity and a positive correlation with the bid-ask spread as well as with the default risk, and therefore may reflect the future expected liquidity. We find that the effective bid-ask spread is related to bond characteristics associated with illiquidity (e.g. timeto-maturity and issue amount) and trading activity measures (e.g. daily turnover, and daily average trade size), indicating that transactions costs are more likely to be associated with the current level of liquidity rather than the future expected liquidity. We also find that the non-default component accounted for a bigger proportion of the yield spread before the financial crisis 2007 - 2009, whereas during the crisis credit risk played a more influential role in determining the yield spread. Common factors such as the underlying volatility and CDS spread explain more of the variation in the non-default yield spread and the bid-ask spread than idiosyncratic factors such as timeto-maturity, issue size, and trading activity proxies do. The third study presents an equilibrium model in which the heterogeneity of liquidity among bonds is determined endogenously. In particular we show that bonds differ in their liquidity despite having identical cash flow, riskiness and issue amount. Under certain conditions, we show that investors have strong preference for concentrating trading on a small number of bonds. We conjecture that the identity of the ones which are traded may result from a `Sunspot' equilibrium where it is optimal for traders to randomly label a subset of the bonds as the `liquid' ones and concentrating trading on them. We also show that changing the model assumptions leads to different equilibrium configurations where trading is spread over the bonds. In addition, by utilising the concepts of stochastic dominance, utility indifference pricing, and some specific assumptions on asset value and order arrival rate, the equilibrium prices and bid-ask spreads can be quantified.
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Hasrati, Mostafa. "Academic socialisation in the fields of engineering and the social sciences/humanities : a case of Iranian PhD students in the UK." Thesis, King's College London (University of London), 2003. https://kclpure.kcl.ac.uk/portal/en/theses/academic-socialisation-in-the-fields-of-engineering-and-the-social-scienceshumanities--a-case-of-iranian-phd-students-in-the-uk(56c6f6c6-baaf-4985-aca9-b09bf2ab790a).html.
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Oppliger, Zan Luz Valeria. "Reproduction des grandes algues brunes des côtes Chiliennes et Bretonnes en marge de leur aire de distribution." Paris 6, 2010. http://www.sb-roscoff.fr/images/stories/sbr/Edition-communication/theses/PHD-Thesis-oppliger.pdf.
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Le développement, la reproduction et la survie d’un organisme, dépendent de son environnement physique et/ou écologique. La sélection en faveur de certains traits d’histoire de vie découle donc de la stabilité de l’environnement (i. E. Reproduction sexuée versus asexuée). La stratégie de reproduction d’une espèce est par conséquent susceptible de se modifier en fonction des changements environnementaux, pouvant survenir en limite d’aire de distribution qui se caractérisent par des fluctuations abiotiques plus importantes. Les grandes algues brunes (Phaeophyceae, Laminariales) sont des espèces structurant les communautés benthiques marines. Elles présentent un cycle de reproduction hétéromorphe avec alternance de phase haploïde microscopique (gamétophyte) et de phase diploïde macroscopique (sporophyte). Les connaissances sur la biologie et la distribution géographique de la plupart de ces espèces n’étaient basées jusqu’à présent que sur l’étude des sporophytes. Mes travaux de thèse ont permis de mettre en évidence l’importance de ces gamétophytes dans le maintien des populations, en comparant les modes de reproduction de trois espèces de laminaires. Les résultats suggèrent que le déterminisme du sexe est principalement génétique et que l’effet de la température de l’eau de mer sur la phase microscopique peut expliquer les distributions géographiques de certaines espèces. Par ailleurs, différents stratégies reproductives ont été observées au sein et entre espèces suggérant l’existence de phénomènes d’adaptations locales. En particulier, en limite d’aire de distribution des espèces, nos résultats montrent l’existence de la parthénogenèse géographique.
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Dunkels, Adam. "Programming Memory-Constrained Networked Embedded Systems. PhD thesis." Doctoral thesis, Västerås : Department of Computer Science and Electronics, Mälardalen University, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-173.
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Sahar, Rafidah. "Exploring cultures of doctoral supervision : narrative perspectives from the International Islamic University Malaysia." Thesis, University of Manchester, 2018. https://www.research.manchester.ac.uk/portal/en/theses/exploring-cultures-of-doctoral-supervision-narrative-perspectives-from-the-international-islamic-university-malaysia(c1baaee8-fd32-4bf5-a419-3773ee4fdc51).html.
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This thesis reports on my narratively-framed PhD study in which I explored doctoral supervision using a small cultures approach (Holliday, 1999); thus, I viewed the doctoral supervision in question as dynamic emerging small cultures developing within a wider set of shaping influences. Specifically, the study sought to understand the experiences of doctoral supervision as narrated to me by some recently completed doctoral students and experienced supervisors from a public university in Malaysia, namely the International Islamic University Malaysia (hereafter known as the IIUM). My motivation for this study originated in my professional curiosity - as set against the IIUM strategic ambitions regarding internationalisation of higher education and Islamisation of Knowledge - about the development of doctoral supervision at the IIUM where I have been a member of academic staff for more than ten years and where, upon the completion of my doctoral education, I will be assuming a supervisory role. As stimulated through face-to-face, one-to-one encounters, in English and/or Bahasa Malaysia, I generated narratives of supervisory experiences from six recent graduates and three experienced supervisors. These narratives were then restoried in English and analysed using holistic-content approach (Lieblich et al., 1998) to reveal the global impression and key themes of supervisory experiences of the individual participants. Findings from the narrative analysis were first interpreted through the small cultures lens (Holliday, 1999). From the interpretation, I proposed that the emerging small cultures of doctoral supervision are characterised by the following features: the students' learning process; the supervisory styles; the supervisory roles; the supervisory relationships; and the expectation of students and supervisors. I then interpreted the narrative findings using a host culture complex model (Holliday, 1994) and identified eight cultural influences that may shape the construction of the emerging small cultures of doctoral supervision, namely: the student culture; the supervisor culture; the host university culture; the postgraduate culture; the wider learning community culture; the national host culture; the internationalisation of higher education culture; and the Islamisation of Knowledge culture. My study makes a number of contributions. In terms of cultures of supervision, it provides a detailed exploration of the emergent aspects of supervision as it develops amid a wider complex of shaping influences, and these emergent aspects and shaping influences extend the current literature regarding supervision. There are implications in these insights for supervisors and their students but also for university managers. Conceptually, the extension of the small cultures approach and host culture complex heuristic, from internationally - oriented English language education to internationally - oriented doctoral supervision, demonstrates the usefulness of this approach for practitioners in their particular contexts of practice as informed by a deeper understanding of the complexities involved rather than relying on large culture a priori characterisation. Methodologically, my study also demonstrates the feasibility and value of coupling narrative (rather than ethnographic) methods to the small cultures approach. Whilst not focused directly on internationalisation of higher education and Islamisation of Knowledge, the study does add to debates in this area with regard to the shaping influences these interlinked strategic objectives may have on doctoral supervision. Finally, my study adds a Malaysian non-Western perspective to the often Western-oriented literature on doctoral supervision.
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Pocknee, David Antony. "How to compose a PhD thesis in music composition." Thesis, University of Huddersfield, 2017. http://eprints.hud.ac.uk/id/eprint/34371/.
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I start from the principle that composition is a historical lineage of techniques that have traditionally been applied to music but need not be. To illustrate this, I apply composition principles to the writing of this PhD thesis. In describing this process, I draw parallels between the music work I have composed during 2013-2017 and the process of thesis writing. Along the way, I show how quantization is not only central to my composition practice but fundamental to the act of composing; I rethink the basic epistemological principles of PhD research, using John Cage's ideology of chance and Arthur Koestler's idea of bisociation; I develop a new set of categories for classifying artworks that use combinatorics, under the umbrella neologism 'completism'; expand upon James Tenney's ideas to create a new typology of musical form based on completist principles; and finish by composing the bibliography, font, page-layout, semantics, word choice, and syntax of the Conclusion of this thesis.
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Sporre, Cecilia, and Inger M. Jonsson. "The Conscious Meal “– ideas for studies in a PhD-thesis." Örebro universitet, Restaurang- och hotellhögskolan, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:oru:diva-25617.
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Posterpresentation: IFHE World Congress 2012 , 16-21 juli Melbourne Australia International Federation for Home Economics Global Wellbeing Global creativity and innovation: Developing capacities for sustainable futures Abstract “The Conscious Meal “– ideas for studies in a PhD-thesis PhD Student Cecilia M Sporre, Associate Professor Inger M Jonsson, The School of Hospitality, Culinary arts & Meal Science, Örebro University, Sweden Aim The aim is to discuss ideas for a newly started PhD thesis. The focus is on a rather tacit concept -“The Conscious Meal”- that was the description of a meal consisting of taste, nutrition and aesthetic expressions in the 1980´s. This holds for the curriculum of Culinary Arts and Meal Science in Sweden. Is it possible to deepen, develop and consolidate this concept and use it in information about food and meals? Methods At The School of Hospitality, Culinary Arts & Meal Science in Örebro University, Sweden, the basis of the education is Science, Practical skills and Aesthetics. These three forms of knowledge is the fundamental platform for the subject. The unique method used in education and research is named FAMM (Five Aspects Meal Model, i.e. the room, meeting, product, control management system giving the atmosphere). The method can be used as a planning and analysis tool for public and private meals. Another useful method is the original and the applied versions of the French Sapere method; an experimental method using raw materials from the food sector, studying and working with the individual components and sensory experiences in the meal. Possible methods to discuss the concept with key groups will be interviews, research circles, focus groups, observations, and maybe analysis on grounded theory etc. Results/findings To be discussed; Ideas of studies Study I: Daily meals for people with intellectual disability in community living – results forthcoming Study II: Culinary Success Factors – results forthcoming Study III: The meal as a pedagogical tool Study IV: Children’s meals Conclusions New skills and influences affect our approach to the meal of today. Developing the concept of “The Conscious Meal” could give tools for education and eating guidelines in a holistic way. This may raise the awareness both in public and private meals.<br>Ideas for studies in a PhD-thesis
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Peinl, Hannes [Verfasser]. "Essays on mitigation options: Forestry, CCS and Renewable Energy : PhD Thesis / Hannes Peinl." Berlin : epubli GmbH, 2015. http://d-nb.info/1072596180/34.
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RODRIGUES, VIVIANE MERLINO. "TRANSVERSAL PATHS: DÉCIO PIGNATARI S PHD THESIS AND LYGIA PAPE S MASTERS DISSERTATION." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 2017. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=33752@1.
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PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO<br>COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>PROGRAMA DE SUPORTE À PÓS-GRADUAÇÃO DE INSTS. DE ENSINO<br>Com a análise das produções e das trajetórias acadêmicas de dois expoentes da Vanguarda Construtiva Brasileira – Décio Pignatari e Lygia Pape – o presente trabalho discute a relação entre arte e indústria a partir dos anos 1950. Ambos trabalharam como artistas, designers e professores universitários. Acreditavam que o artista moderno devia integrar-se à coletividade de diversos modos, incluindo a participação nos meios de produção e nas mídias de massa. Como docentes, iniciaram suas carreiras ministrando semiótica. Posteriormente, Pignatari caminhou para as teorias da literatura e da comunicação enquanto Pape se dedicou ao ensino de linguagem visual. Tanto um quanto o outro lecionaram em cursos de graduação e pós-graduação. Seus textos acadêmicos, embora pouco examinados em profundidade como parte do Projeto Construtivo, trazem importantes reflexões acerca da crise da arte na era da reprodutibilidade técnica, propondo saídas para este impasse. Por esta razão, são analisados os ideais expostos na tese de doutorado Semiótica e Literatura (USP-1973), de Décio Pignatari, e na dissertação de mestrado Catiti-Catiti, na terra dos brasis (UFRJ-1980), de Lygia Pape. Busca-se compreender seus posicionamentos perante o questionamento do belo como categoria central da estética, observando os reflexos da Semiótica de. C. S. Peirce nos temas abordados por Pignatari e as marcas da Fenomenologia de M. Merleau-Ponty no pensamento de Pape. Investigam-se, então, suas posturas em defesa da invenção artística, considerando as duas diferentes perspectivas sobre este conceito. Livros de W. Benjamin, M. Bense e M. Pedrosa estão entre referenciais teóricos centrais das duas pesquisas.<br>This research verifies the connections between constructive arts and industries after the 1950 s. Particularly, the work aims to inquire the productions and the academic trajectories of two important members of the Brazilian Constructive Vanguard – Décio Pignatari and Lygia Pape. Both of them were artists, designers and professors. In their view, the modern artist should contribute to industrial society in many different ways, because all creative activities were related. As college members, they began teaching semiotics. Lately, Pignatari dedicated his career to literature and communication theories and Pape became interested in visual linguistics education. It is worthwhile to mention that they were educators in graduation and post-graduation courses. Their academic papers discuss the art crisis in the age of mechanical reproduction, proposing ways to overcome this challenge. However, these texts were rarely mentioned as a part of Brazilian Constructive Project. Therefore, this investigation analyses Décio Pignatari s PHD Thesis called Semiótica e Literatura (USP-1973), and Lygia Pape s Masters Dissertation untitled Catiti-Catiti, na terra dos brasis (UFRJ-1980). Initially, their arguments lead to the questioning of the beauty concept as a central aesthetic category. In this sense, C. S. Peirce s semiotics impacts Pignatari s thoughts, and M. Merleau-Ponty s phenomenology marcs Pape s ideals. Lately, this work examines their claims for artistic invention, revealing two different perspectives on this concept. Books written by W. Benjamin, M.Bense and M. Pedrosa integrate their theoretical frameworks.
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Ziebell, Robert-Christian. "Digital transformation of HR - History, implementation approach and success factors - Cumulative PhD Thesis." Doctoral thesis, Universitat Politècnica de València, 2019. http://hdl.handle.net/10251/117608.
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[ES] La digitalización de los procesos de RRHH en soluciones basadas en la nube progresa continuamente. Esta tesis examina tales transformaciones, deriva un modelo de proceso concreto e identifica los factores críticos de éxito.
La metodología utilizada para la investigación es de carácter cualitativo. Como base y medida preparatoria para abordar las cuestiones de investigación, se llevó a cabo un amplio estudio bibliográfico en el ámbito de los recursos humanos, con especial atención a las publicaciones sobre la gestión electrónica de los recursos humanos (en adelante, "e-HRM"). Basándose en este conocimiento y en la combinación de una amplia experiencia práctica con proyectos de transformación de RRHH, se publicó un estudio que presenta el desarrollo histórico de e-HRM y que ha derivado en un modelo de procesos optimizado que tiene en cuenta los requisitos técnicos de RRHH así como las limitaciones de la nueva tecnología de la nube. Posteriormente, se entrevistó a varios expertos en RRHH que ya habían adquirido experiencia de primera mano con los procesos de RRHH en un entorno de nube para averiguar qué factores de éxito eran relevantes para dicha transformación de RRHH.
Las principales conclusiones de esta tesis son la derivación de un modelo de procedimiento de proyecto de mejores prácticas para la transformación de los procesos de RRHH en una solución basada en la nube y la identificación de obstáculos potenciales en la implementación de dichos proyectos. Además, se elaboran los motivos de dicha transformación, los factores que impulsan el proceso dentro de una organización, el grado actual de digitalización de los recursos humanos, los parámetros operativos y estratégicos necesarios y, en última instancia, el impacto en los métodos de trabajo. Como resultado, se realiza una evaluación del uso de las métricas de HR y se derivan nuevas ratios potenciales.<br>[CAT] La digitalització dels processos de RRHH en solucions basades en el núvol progressa contínuament. Aquesta tesi examina tals transformacions, deriva un model de procés concret i identifica els factors crítics d'èxit.
La metodologia utilitzada per a la investigació és de caràcter qualitatiu. Com a base i mesura preparatòria per a abordar les qüestions d'investigació, es va dur a terme un ampli estudi bibliogràfic en l'àmbit dels recursos humans, amb especial atenció a les publicacions sobre la gestió electrònica dels recursos humans (en endavant, "e-HRM "). Basant-se en aquest coneixement i en la combinació d'una àmplia experiència pràctica amb projectes de transformació de RRHH, es va publicar un estudi que presenta el desenvolupament històric d'e-HRM i que ha derivat en un model de processos optimitzat que té en compte els requisits tècnics de RRHH així com les limitacions de la nova tecnologia del núvol. Posteriorment, es va entrevistar a diversos experts en RRHH que ja havien adquirit experiència de primera mà amb els processos de RRHH en un entorn de núvol per esbrinar quins factors d'èxit eren rellevants per a aquesta transformació de RRHH.
Les principals conclusions d'aquesta tesi són la derivació d'un model de procediment de projecte de millors pràctiques per a la transformació dels processos de RRHH en una solució basada en el núvol i la identificació d'obstacles potencials en la implementació d'aquests projectes. A més, s'elaboren els motius de la transformació, els factors que impulsen el procés dins d'una organització, el grau actual de digitalització dels recursos humans, els paràmetres operatius i estratègics necessaris i, en última instància, l'impacte en els mètodes de treball . Com a resultat, es realitza una avaluació de l'ús de les mètriques de HR i es deriven nous ràtios potencials.<br>[EN] The digitisation of HR processes into cloud-based solutions is progressing continuously. This thesis examines such transformations, derives a concrete process model and identifies the critical success factors.
The methodology used for the investigation is of a qualitative nature. As a basis and preparatory measure to address the research questions, an extensive literature study in the HR field was carried out, with a special focus on publications on electronic human resources management (hereinafter e-HRM). Based on this knowledge and the combination of extensive practical experience with HR transformation projects, a study was published which presents the historical development of e-HRM and derived an optimised process model taking into account the technical HR requirements as well as the limitations of the new cloud technology. Subsequently, several HR experts who had already gained first-hand experience with HR processes in a cloud environment were interviewed to find out which success factors were relevant for such an HR transformation.
Main findings of this thesis are the derivation of a best-practice project procedure model for the transformation of HR processes into a cloud-based solution and the identification of potential obstacles in the implementation of such projects. In addition, the motives for such a transformation, the drivers within an organisation, the current degree of HR digitisation, the necessary operational and strategic parameters and ultimately the impact on working methods are worked out. As a further result, an assessment of the use of HR metrics is given and potential new key figures are derived.<br>Ziebell, R. (2019). Digital transformation of HR - History, implementation approach and success factors - Cumulative PhD Thesis [Tesis doctoral no publicada]. Universitat Politècnica de València. https://doi.org/10.4995/Thesis/10251/117608<br>TESIS
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Singh, Nicola. "On the 'thesis by performance' : a feminist research method for the practice-based PhD." Thesis, Northumbria University, 2016. http://nrl.northumbria.ac.uk/36132/.
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This doctoral project challenges the conventions of academic enquiry that, by default, still largely shape the procedures of practice-based PhDs. It has been submitted in the form of a ‘thesis by performance’ - a thesis that can only be realized through live readings that present knowledge production as something done in and around bodies and their contexts. The aim has been to reposition institutional and educational knowledge in an intimate, subjective relationship with the body, particularly the researchers own body. The ideas gathered together in this ‘thesis by performance’ address the body and its context using material that was sometimes appropriated, sometimes invented and sometimes autobiographically constructed. From the start, these approaches and sources were used to directly address those listening in the present, the ‘now’ in which words were spoken. An approach influenced by feminist thinkers in the arts, Kathy Acker, Chris Kraus, Katrina Palmer and Linda Stupart. The methodological development of the research has been entirely iterative – developed through the making and presenting of performance texts. Each text was presented live as part of mixed-media installations, experimenting with how language and voice can be visualised and choreographed. Consequently, the resulting ‘thesis by performance’ is a doctoral submission unimpeded by a printed script - only an introductory statement and two appendices are available outside of a live reading. In this way the process of performance can inspire new terms of reference in the field of postgraduate practice-led research entirely on its own terms.
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Zedeler, Anne. "Palmitoylation and raft localization of the retrovirus Moloney MLV R-peptide studied by mutagenesis : PhD thesis /." Cph. : Department of Pharmacology, The Danish University of Pharmaceutical Sciences, 2005. http://www.dfuni.dk/index.php/Anne_Zedeler/1733/0/.
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Vishnuvajhala, Sashanka. "Enhancing extreme programming (XP) with performance driven development (PDD) /." Available to subscribers only, 2005. http://proquest.umi.com/pqdweb?did=1079672421&sid=15&Fmt=2&clientId=1509&RQT=309&VName=PQD.
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Berenstein, Dvora. "Structure-function studies of human cytosolic thymidine kinase : Ph.D. thesis /." Roskilde : Department of Life Science and Chemistry, Roskilde University, 2004. http://hdl.handle.net/1800/921.
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Schmidt, Michaela. "How to manage your PhD thesis : development of a process model of self-regulation to foster postgraduate students /." Hamburg : Kovač, 2009. http://d-nb.info/996716505/04.
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Isik, Tas Elvan Eda. "A Corpus-based Analysis Of Genre-specific Discourse Of Research: The Phd Thesis And The Research Article In Elt." Phd thesis, METU, 2008. http://etd.lib.metu.edu.tr/upload/3/12609375/index.pdf.
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Writing a research article is not an easy task for novice researchers, who begin their study as outsiders in the academic community and who must deal with both the apprenticeship in their fields and the challenge of writing in a new genre. Moreover, PhD thesis is a genre which is very frequently &ldquo<br>recontextualized&rdquo<br>as a research article by the novice researcher. The aim of this study was to conduct a contrastive analysis of the genre-specific features of introductions in a corpus of theses written in PhD programs in ELT offered by Turkish universities and in a corpus of published research articles in ELT written by expert authors of different nationalities, in order to specify the similarities and differences in the authors&rsquo<br>use of lexico-grammatical, discoursal and rhetorical features in the two corpora. The analyses included both a hand-tagged and a computerized analysis of the two corpora. Specifically, the vocabulary profiles, the readability statistics, the use of verb tenses and citations, the move-step structures and the author presence markers of the two corpora were subject to contrastive analyses. The analyses revealed that the language of the RA introductions was structurally more academic, lexically dense, and thus, more difficult to read compared to the PhDT introductions. Moreover, although the CARS Model (Swales, 2005), to a large extent described the move-step structure of the RA introductions, it could not account for the move-step structure of the PhDT introductions. With respect to these variations, proposals were made to increase the effectiveness of the target PhD programs in empowering the novice researchers in their access to the discourse community of ELT.
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Brown, Lea Dalby. "Analysis and activity of extracts and constituents from Echinacea purpurea : perspectives for evaluation of herbal medicinal products : PhD thesis /." Cph. : The Danish University of Pharmaceutical Sciences, 2005. http://www.dfuni.dk/index.php/Lea_Dalby_Brown/1762/0/.
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Altuna, Jon. "Cyclostationary blind equalisation in mobile communications." Thesis, University of Edinburgh, 1998. http://hdl.handle.net/1842/1375.
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Blind channel identification and equalisation are the processes by which a channel impulse response can be identified and proper equaliser filter coefficients can be obtained, without knowledge of the transmitted signal. Techniques that exploit cyclostationarity can reveal information about systems which are nonminimum phase; nonminimum phase channels cannot be identified using only second-order statistics (SOS), because these do not contain the necessary phase information. Cyclostationary blind equalisation methods exploit the fact that, sampling the received signal at a rate higher than the transmitted signal symbol rate, the received signal becomes cyclostationary. In general, cyclostationary blind equalisers can identify a channel with less data than higher-order statistics (HOS) methods, and unlike these, no constraint is imposed on the probability distribution function of the input signal. Nevertheless, cyclostationary methods suffer from some drawbacks, such as the fact that some channels are unidentifiable when they exhibit a number of zeros equally spaced around the unit circle. In this thesis the performance of a cyclostationary blind channel identification algorithm combined with a maximum-likelihood sequence estimation receiver is analysed. The simulations were conducted in the pan-European mobile communication system GSM environment and the performance of the blind technique was compared with conventional channel estimation methods using training. It is shown that although blind equalisation techniques can converge in a few hundred symbols in a time-invariant channel environment, the degradation with respect to methods with training is still considerable. Yet, the fact that a dedicated training sequence is not needed makes blind techniques attractive, because the data used for training purposes can be re-allocated as information data. In the concluding part of this thesis a new blind channel identification algorithm which combines methods that exploit cyclostationarity implicitly and explicitly is presented. It is shown that the properties of cyclostationary statistics are exploited in the new algorithm, and enhance the performance of the technique that solely exploits fractionally-spaced sampling. The algorithm is robust in the presence of correlated noise and interference from adjacent users.
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Rouse, Thomas S. "Multi-hop relaying networks in TDD-CDMA systems." Thesis, University of Edinburgh, 2004. http://hdl.handle.net/1842/1365.
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The communications phenomena at the end of the 20th century were the Internet and mobile telephony. Now, entering the new millennium, an effective combination of the two should become a similarly everyday experience. Current limitations include scarce, exorbitantly priced bandwidth and considerable power consumption at higher data rates. Relaying systems use several shorter communications links instead of the conventional point-to-point transmission. This can allow for a lower power requirement and, due to the shorter broadcast range, bandwidth re-use may be more efficiently exploited. Code division multiple access (CDMA) is emerging as one of the most common methods for multi user access. Combining CDMA with time division duplexing (TDD) provides a system that supports asymmetric communications and relaying cost-effectively. The capacity of CDMA may be reduced by interference from other users, hence it is important that the routing of relays is performed to minimise interference at receivers. This thesis analyses relaying within the context of TDD-CDMA systems. Such a system was included in the initial draft of the European 3G specifications as opportunity driven multiple access (ODMA). Results are presented which demonstrate that ODMA allows for a more flexible capacity coverage trade-off than non-relaying systems. An investigation into the interference characteristics of ODMA shows that most interference occurs close to the base station (BS). Hence it is possible that in-cell routing to avoid the BS may increase capacity. As a result, a novel hybrid network topology is presented. ODMA uses path loss as a metric for routing. This technique does not avoid interference, and hence ODMA shows no capacity increase with the hybrid network. Consequently, a novel interference based routing algorithm and admission control are developed. When at least half the network is engaged in in-cell transmission, the interference based system allows for a higher capacity than a conventional cellular system. In an attempt to reduce transmitted power, a novel congestion based routing algorithm is introduced. This system is shown to have lower power requirement than any other analysed system and, when more than 2 hops are allowed, the highest capacity. The allocation of time slots affects system performance through co-channel interference. To attempt to minimise this, a novel dynamic channel allocation (DCA) algorithm is developed based on the congestion routing algorithm. By combining the global minimisation of system congestion in both time slots and routing, the DCA further increases throughput. Implementing congestion routed relaying, especially with DCA, in any TDD-CDMA system with in-cell calls can show significant performance improvements over conventional cellular systems.
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Atkey, Robert. "Substructural simple type theories for separation and in-place update." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/892.
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This thesis studies two substructural simple type theories, extending the "separation" and "number-of-uses" readings of the basic substructural simply typed lambda-calculus with exchange. The first calculus, lambda_sep, extends the alpha lambda-calculus of O'Hearn and Pym by directly considering the representation of separation in a type system. We define type contexts with separation relations and introduce new type constructors of separated products and separated functions. We describe the basic metatheory of the calculus, including a sound and complete type-checking algorithm. We then give new categorical structure for interpreting the type judgements, and prove that it coherently, soundly and completely interprets the type theory. To show how the structure models separation we extend Day's construction of closed symmetric monoidal structure on functor categories to our categorical structure, and describe two instances dealing with the global and local separation. The second system, lambda_inplc, is a re-presentation of substructural calculus for in-place update with linear and non-linear values, based on Wadler's Linear typed system with non-linear types and Hofmann's LFPL. We identify some problems with the metatheory of the calculus, in particular the failure of the substitution rule to hold due to the call-by-value interpretation inherent in the type rules. To resolve this issue, we turn to categorical models of call-by-value computation, namely Moggi's Computational Monads and Power and Robinson's Freyd-Categories. We extend both of these to include additional information about the current state of the computation, defining Parameterised Freyd-categories and Parameterised Strong Monads. These definitions are equivalent in the closed case. We prove that by adding a commutativity condition they are a sound class of models for lambda_inplc. To obtain a complete class of models for lambda_inplc we refine the structure to better match the syntax. We also give a direct syntactic presentation of Parameterised Freyd-categories and prove that it is soundly and completely modelled by the syntax. We give a concrete model based on Day's construction, demonstrating how the categorical structure can be used to model call-by-value computation with in-place update and bounded heaps.
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Strauch, Paul E. "Nonlinear noise cancellation." Thesis, University of Edinburgh, 1997. http://hdl.handle.net/1842/1376.
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Noise or interference is often assumed to be a random process. Conventional linear filtering, control or prediction techniques are used to cancel or reduce the noise. However, some noise processes have been shown to be nonlinear and deterministic. These nonlinear deterministic noise processes appear to be random when analysed with second order statistics. As nonlinear processes are widespread in nature it may be beneficial to exploit the coherence of the nonlinear deterministic noise with nonlinear filtering techniques. The nonlinear deterministic noise processes used in this thesis are generated from nonlinear difference or differential equations which are derived from real world scenarios. Analysis tools from the theory of nonlinear dynamics are used to determine an appropriate sampling rate of the nonlinear deterministic noise processes and their embedding dimensions. Nonlinear models, such as the Volterra series filter and the radial basis function network are trained to model or predict the nonlinear deterministic noise process in order to reduce the noise in a system. The nonlinear models exploit the structure and determinism and, therefore, perform better than conventional linear techniques. These nonlinear techniques are applied to cancel broadband nonlinear deterministic noise which corrupts a narrowband signal. An existing filter method is investigated and compared with standard linear techniques. A new filter method is devised to overcome the restrictions of the existing filter method. This method combines standard signal processing concepts (filterbanks and multirate sampling) with linear and nonlinear modelling techniques. It overcomes the restrictions associated with linear techniques and hence produces better performance. Other schemes for cancelling broadband noise are devised and investigated using quantisers and cascaded radial basis function networks. Finally, a scheme is devised which enables the detection of a signal of interest buried in heavy chaotic noise. Active noise control is another application where the acoustic noise may be assumed to be a nonlinear deterministic process. One of the problems in active noise control is the inversion process of the transfer function of the loudspeaker. This transfer function may be nonminimum phase. Linear controllers only perform sub-optimally in modelling the noncausal inverse transfer function. To overcome this problem in conjunction with the assumption that the acoustic noise is nonlinear and deterministic a combined linear and nonlinear controller is devised. A mathematical expression for the combined controller is derived which consists of a linear system identification part and a nonlinear prediction part. The traditional filtered-x least mean squares scheme in active noise control does not allow the implementation of a nonlinear controller. Therefore, a control scheme is devised to allow a nonlinear controller in conjunction with an adaptive block least squares algorithm. Simulations demonstrate that the combined linear and nonlinear controller outperforms the conventional linear controller.
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Nedev, Nedko H. "Analysis of the impact of impulse noise in digital subscriber line systems." Thesis, University of Edinburgh, 2003. http://hdl.handle.net/1842/1366.
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In recent years, Digital subscriber line (DSL) technology has been gaining popularity as a high speed network access technology, capable of the delivery of multimedia services. A major impairment for DSL is impulse noise in the telephone line. However, evaluating the data errors caused by this noise is not trivial due to its complex statistical nature, which until recently had not been well understood, and the complicated error mitigation and framing techniques used in DSL systems. This thesis presents a novel analysis of the impact of impulse noise and the DSL framing parameters on transmission errors, building on a recently proposed impulse noise model. It focuses on errors at higher protocol layers, such as asynchronous transfer mode (ATM), in the most widely used DSL version, namely Asymmetric DSL (ADSL). The impulse noise is characterised statistically through its amplitudes, duration, inter-arrival times, and frequency spectrum, using the British Telecom / University of Edinburgh / Deutsche Telekom (BT/UE/DT) model. This model is broadband, considers both the time and the frequency domains, and accounts for the impulse clustering. It is based on recent measurements in two different telephone networks (the UK and Germany) and therefore is the most complete model available to date and suited for DSL analysis. A new statistical analysis of impulse noise spectra from DT measurements shows that impulse spectra can be modelled with three spectral components with similar bandwidth statistical distributions. Also, a novel distribution of the impulse powers is derived from the impulse amplitude statistics. The performance of a generic ADSL modem is investigated in an impulse noise and crosstalk environment for different bit rates and framing parameters. ATM cell and ADSL frame error rates, and subjective MPEG2 video quality are used as performance metrics. A new modification of a bit loading algorithm is developed to enable stable convergence of the algorithm with trellis coding and restricted subtone constellation size. It is shown that while interleaving brings improvement if set at its maximum depth, at intermediate depths it actually worsens the performance of all considered metrics in comparison with no interleaving. No such performance degradation is caused by combining several symbols in a forward error correction (FEC) codeword, but this burst error mitigation technique is only viable at low bit rates. Performance improvement can also be achieved by increasing the strength of FEC, especially if combined with interleaving. In contrast, trellis coding is ineffective against the long impulse noise error bursts. Alien as opposed to kindred crosstalk degrades the error rates and this is an important issue in an unbundled network environment. It is also argued that error free data units is a better performance measure from a user perspective than the commonly used error free seconds. The impact of impulse noise on the errors in DSL systems has also been considered analytically. A new Bernoulli-Weibull impulse noise model at symbol level is proposed and it is shown that other models which assume Gaussian distributed impulse amplitudes or Rayleigh distributed impulse powers give overly optimistic error estimates in DSL systems. A novel bivariate extension of the Weibull impulse amplitudes is introduced to enable the analysis of orthogonal signals. Since an exact closed-form expression for the symbol error probability of multi-carrierQAM assuming Bernoulli-Weibull noise model does not exist, this problem has been solved numerically. Multi-carrier QAM is shown to perform better at high signal-to-noise ratio (SNR), but worse at low SNR than single carrier QAM, in both cases because of the spreading of noise power between subcarriers. Analytical expressions for errors up to frame level in the specific case of ADSL are then derived from the impulse noise model, with good agreement with simulation results. The Bernoulli-Weibull model is applied to study the errors in single-pair highspeed DSL (SHDSL). The performance of ADSL is found to be better when the burst error mitigation techniques are used, but SHDSL has advantages if low bit error rate and low latency are required.
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Mushakoji, Sumiko. "The process of knowledge construction : a triple parallel wrighting of science, sociology of scientific knowledge and a candidate PhD thesis." Thesis, Loughborough University, 1999. https://dspace.lboro.ac.uk/2134/27066.
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This thesis is an inquiry into the 'process of knowledge construction' in three research domains. These domains are the research into endothelin (a potent vasoconstrictive peptide identified in 1988) in bio-medical science, Sociology of Scientific Knowledge (henceforth, SSK) and the SSK-oriented research of the 'process of knowledge construction' pursued by the Candidate PhD student. The thesis is pursued with a recognition of the self-referential character of itself, that is, reflexivity. Namely, the Candidate's research, including the writing/reading of this thesis, is itself a process of knowledge construction. This recognition is displayed in and through a series of experimental textual forms, 'New Literary Forms (henceforth, NLFs) developed in SSK. Through NLFs, the thesis aims to make itself a wrighting, which connotes "'writing', 'righting' (correcting), and 'wright-ing' (making and working)" (Ashmore 1985, 1989), of the triple parallel process of knowledge construction.
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Cutler, Philip Robert Edward. "On the structure and mixing of a jet in crossflow : Ph.D. thesis." Title page, abstract and table of contents only, 2002. http://web4.library.adelaide.edu.au/theses/09PH/09phc9895.pdf.
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Ong, Kian P. "Signal processing for airborne bistatic radar." Thesis, University of Edinburgh, 2003. http://hdl.handle.net/1842/1370.
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The major problem encountered by an airborne bistatic radar is the suppression of bistatic clutter. Unlike clutter echoes for a sidelooking airborne monostatic radar, bistatic clutter echoes are range dependent. Using training data from nearby range gates will result in widening of the clutter notch of STAP (space-time adaptive processing) processor. This will cause target returns from slow relative velocity aircraft to be suppressed or even go undetected. Some means of Doppler compensation for mitigating the clutter range dependency must be carried out. This thesis investigates the nature of the clutter echoes with different radar configurations. A novel Doppler compensation method using Doppler interpolation in the angle-Doppler domain and power correction for a JDL (joint domain localized) processor is proposed. Performing Doppler compensation in the Doppler domain, allows several different Doppler compensations to be carried out at the same time, using separate Doppler bins compensation. When using a JDL processor, a 2-D Fourier transformation is required to transform space-time domain training data into angular-Doppler domain. Performing Doppler compensation in the spacetime domain requires Fourier transformations of the Doppler compensated training data to be carried out for every training range gate. The whole process is then repeated for every range gate under test. On the other hand, Fourier transformations of the training data are required only once for all range gates under test, when using Doppler interpolation. Before carrying out any Doppler compensation, the peak clutter Doppler frequency difference between the training range gate and the range gate under test, needs to be determined. A novel way of calculating the Doppler frequency difference that is robust to error in pre-known parameters is also proposed. Reducing the computational cost of the STAP processor has always been the desire of any reduced dimension processors such as the JDL processor. Two methods of further reducing the computational cost of the JDL processor are proposed. A tuned DFT algorithm allow the size of the clutter sample covariance matrix of the JDL processor to be reduced by a factor proportional to the number of array elements, without losses in processor performance. Using alternate Doppler bins selection allows computational cost reduction, but with performance loss outside the clutter notch region. Different systems parameters are also used to evaluate the performance of the Doppler interpolation process and the JDL processor. Both clutter range and Doppler ambiguity exist in radar systems operating in medium pulse repetitive frequency mode. When suppressing range ambiguous clutter echoes, performing Doppler compensation for the clutter echoes arriving from the nearest ambiguous range alone, appear to be sufficient. Clutter sample covariance matrix is estimated using training data from the range or time or both dimension. Investigations on the number of range and time training data required for the estimation process in both space-time and angular-Doppler domain are carried out. Due to error in the Doppler compensation process, a method of using the minimum amount of range training data is proposed. The number of training data required for different clutter sample covariance matrix sizes is also evaluated. For Doppler interpolation and power correction JDL processor, the number of Doppler bins used can be increased, to reduce the amount of training data required, while maintaining certain desirable processor performance characteristics.
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Manwaring, Kevan. "The Knowing : a Fantasy ; An epistemological enquiry into creative process, form, and genre." Thesis, University of Leicester, 2018. http://hdl.handle.net/2381/43111.
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This creative writing PhD thesis consists of a novel and a critical reflective essay. Both articulate a distinctive approach to the challenges of writing genre fiction in the 21st Century that I define as 'Goldendark' - one that actively engages with the ethical and political implications of the field via the specific aesthetic choices made about methodology, content, and form. The Knowing: A Fantasy is a novel written in the High Mimetic style that, through the story of Janey McEttrick, a Scottish-Cherokee musician descended from the Reverend Robert Kirk, a 17th Century Episcopalian minister from Aberfoyle (author of the 1691 monograph, The Secret Commonwealth of Elves, Fauns and Fairies), fictionalises the diasporic translocation of song- and tale-cultures between the Scottish Lowlands and the Southern Appalachians, and is a dramatisation of the creative process. In the accompanying critical reflective essay, 'An Epistemological Enquiry into Creative Process, Form and Genre', I chart the development of my novel: its initial inspiration, my practice-based research, its composition and completion, all informed both by my practice as a storyteller/poet and by my archival discoveries. In the section 'Walking Between Worlds' I articulate my methodology and seek to defend experiential research as a multi-modal approach - one that included long-distance walking, illustration, spoken word performance, ballad-singing and learning an instrument. In 'Framing the Narrative' I discuss matters of form - how I engaged with hyperfictionality and digital technology in destabilising traditional conventions of linear narrative and generic expectation. Finally, in 'Defining Goldendark' I articulate in detail my approach to a new ethical aesthetics of the fantasy genre.
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Bunton, David Rowland. "Linguistic and textual problems in Ph.D and M.Phil theses: an analysis of genre moves and metatext." Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 1998. http://hub.hku.hk/bib/B31238142.
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Lee, Lin. "Contribution to Development of Copper Free Automotive Brake Pad." OpenSIUC, 2013. https://opensiuc.lib.siu.edu/theses/1244.
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When passenger vehicle drivers hit the brakes of their cars, the friction releases airborne wear particles from the contact between rotor and brake pad onto the road which are eventually washed down storm drains and into rivers. The wear particles includes copper, which functions as solid lubricant for increasing thermal heat fade as well as increasing friction coefficient for the brake pad. Nevertheless, copper not only endangers aquatic life, but it also directly affects the economy by lowering the supply of salmon. Copper is toxic to most aquatic life and is especially harmful to the sensory systems of salmon. Copper impairs salmon's sense of smell, thus reducing their ability to escape from predators. Up to half of the copper found in waterways from urban areas are from copper brake pads and is a key factor in the reduction of salmon population. In 2010, Washington and California each passed laws to ban production of brake pads containing more than 0.5% copper which will be effective in 2025. Since then, several other states including New York, Rhode Island, and Oregon have all introduced similar bills to ban copper brake pads. The raw materials that were added to the newly developed copper free sample brake pads are geopolymers; they are synthetic mineral products that combine properties of polymers, ceramics and cements. Geopolymers have the characteristic of behaving as adhesive rubber in order to replace phenolic resin matrix in the brake materials also it can be harden at room temperature which can increase friction coefficient of the brake pad. Sample brake pads manufactured on site with known constituents were tested with friction assessment and screening test machine, which measured and recorded the friction coefficient and wear of the brake pad. According to the experience in the past, the sample brake pads will be analyzed with density test and Shore Durometer test. The results presented in this report shows that geopolymers brake pad shows promising results for copper replacement for low-metallic friction material. Developed copper free friction sample shows promising result of coefficient of friction of 0.44 with thickness loss of 0.62 mm from friction assessment and screening test machine compare to commercial brake pad.
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Lloyd, Stephen. "Corporate reputation ontology and measurement : a thesis submitted to AUT University in fulfillment of the degree of Doctor of Philosophy (PhD), 2007." Click here to access this resource online, 2007. http://hdl.handle.net/10292/409.
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The focus of this research is on the development of ontology and on a more effective way to measure corporate reputation that takes into consideration the orientations of a company’s various stakeholders. The focus by researchers and by practitioners on corporate reputation and on its management attests to an expanding interest. Yet there remains disparate knowledge about how corporate reputation should be defined; about what are its key components; about the relationships between those components and about how corporate reputation should be measured. This point to a need for clarification: to develop a methodology based on ontology of corporate reputation that has relevance for a company’s various stakeholder groups. This research builds on a review of the academic literature and employs text analysis, the nominal group technique and a quantitative survey among stakeholders about the reputation of a high profile company. Theory-driven analysis provides insights into the corporate reputation construct and into a tool for measurement that takes into consideration stakeholder perceptions of a company’s reputation. The results of the study indicate that, in the eyes of its stakeholders, a company’s reputation is driven by nine factors: image, identity, management leadership, performance, corporate brand, products and services, financial performance, ethical management and leadership, and corporate leadership. Not all nine components share the same degree of relevance for stakeholders: different stakeholder groups rank the importance of the components of corporate reputation differently; they evaluate the reputation of the same company differently. The drivers of stakeholders’ overall evaluations of a company’s reputation vary by stakeholder segment. Stakeholder groups are seen to display the characteristics of segments.
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Wells, Paul K. "Perceptions of accounting and accountants an investigation into how and why these perceptions were formed : a thesis submitted to Auckland University of Technology in fulfilment of the requirements for the degree of Doctor of Philosophy (PhD), 2009 /." Click here to access this resource online, 2009. http://hdl.handle.net/10292/830.
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There is growing concern that a widespread perception of accounting and accountants is discouraging individuals with the required skills and capabilities from entering the accounting profession. At the same time, an inappropriate perception may be attracting those who lack the required skills and capabilities. Research suggests that not only are perceptions of accounting and accountants very negative but that they may also be inaccurate and difficult to change. This thesis applies social psychology theory on stereotyping to assist in identifying why these perceptions are resistant to change. Stereotype theory suggests that strategies for changing perceptions are dependent on how and why the perceptions were formed. Through a questionnaire, this study sought to identify the perceptions and through interviews and focus groups, how and why they were formed. A questionnaire, interviews and focus groups were used to collect data from sixty-five people from four distinct groups. These groups included the general public, users of accounting services, young people making career decisions, and accountants themselves. Additional data was collected from a further three accounting educators. The application of stereotype theory has assisted in explaining why common perceptions of accounting and accountants have been so resistant to change and in identifying suitable intervention strategies. This study found that the perceptions people have of accounting and accountants are inaccurate. They are either too specific and hence unnecessarily restrictive and limiting, or alternatively the perceptions are so abstract and lacking in specificity that they are absorbed into a broader level category. In the first instance, a single experience is overgeneralised to represent a participant‟s understanding of accounting. In the second instance, accounting is overgeneralised to represent all activity of the broader category label. That the accounting profession, in general, has appeared to make little effort to correct these inaccurate perceptions and has failed to disseminate more widely the findings from academic research is of concern. Overgeneralised perceptions of accounting and accountants were found to be resistant to change for a number of reasons. Participants who created a very broad category label to represent their abstract understanding of accounting usually lacked the motivation and/or cognitive capacity to add specificity to their understanding. On the other hand, participants who based their perceptions of accounting on single exemplar models lacked an understanding of the skills and capabilities that accountants possessed and how these competencies could serve them. The influence of the high school curriculum was a further reason that perceptions were resistant to change. When members of the wider community had studied accounting at high school, their understanding of accounting was narrowly focused on the scorekeeping role of accounting. The perceptions of people who had studied accounting at high school, both currently and in the past, were the most resistant to change. The following interventions to change the perceptions people have of accounting and accountants are proposed. First it is necessary for the professional associations to articulate clearly the advice from the academic community on how the role of accountants and the nature of accounting have changed and to increase the awareness of these changes among their members. It is then necessary to communicate this information to the public by aligning the diverse range of accounting outputs with individual goals while explaining how accountants‟ training has changed to accommodate these more diverse roles. Finally, it is necessary to reconsider how accounting should be taught at high school, providing less emphasis on the scorekeeping role of accountants and increasing the emphasis on how accounting impacts everyday life.
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Tang, Jiaming. "Impact of Gray Cast Iron Microstructure on Brake Pad Stiction." OpenSIUC, 2021. https://opensiuc.lib.siu.edu/theses/2886.
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This research study talks about the possible influence of gray cast iron microstructure on the corrosion properties of the brake rotor and the effect of stiction. Three Gray cast iron rotors with fully pearlitic microstructure and below 5% volume content of ferrite were studied in this research to understand their microstructural influence over corrosion. The selected gray cast iron rotors were friction tested against a 2009 Original Equipment Manufacturer (OEM) Ford F150 brake pad using scaled-down SAE J2522 standard test. Tested samples were later subjected to GMW16696 standard test, to identify the breakaway forces indirectly defining the corrosion resistance of the friction material used. The results show that the degree of corrosion and breakaway forces observed are greatly influenced by the graphite content quantified from quantitative analysis techniques adopted. Rotor with higher graphite content observed higher breakaway force and higher oxygen content compared to the other two studied rotors. Higher graphite content is considered to provide more cathodes, it accelerates the corrosion of the iron element in the rotor. There is no reliable correlation between the pearlite and ferrite of the gray cast iron rotor stiction force. The poor correlation between stiction force and microstructure also shows that the size of stiction force is not determined by a single factor.
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Dixon, Lucas. "A proof planning framework for Isabelle." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/1250.
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Proof planning is a paradigm for the automation of proof that focuses on encoding intelligence to guide the proof process. The idea is to capture common patterns of reasoning which can be used to derive abstract descriptions of proofs known as proof plans. These can then be executed to provide fully formal proofs. This thesis concerns the development and analysis of a novel approach to proof planning that focuses on an explicit representation of choices during search. We embody our approach as a proof planner for the generic proof assistant Isabelle and use the Isar language, which is human-readable and machine-checkable, to represent proof plans. Within this framework we develop an inductive theorem prover as a case study of our approach to proof planning. Our prover uses the difference reduction heuristic known as rippling to automate the step cases of the inductive proofs. The development of a flexible approach to rippling that supports its various modifications and extensions is the second major focus of this thesis. Here, our inductive theorem prover provides a context in which to evaluate rippling experimentally. This work results in an efficient and powerful inductive theorem prover for Isabelle as well as proposals for further improving the efficiency of rippling. We also draw observations in order to direct further work on proof planning. Overall, we aim to make it easier for mathematical techniques, and those specific to mechanical theorem proving, to be encoded and applied to problems.
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Clark, Robert A. J. "Generating synthetic pitch contours using prosodic structure." Thesis, University of Edinburgh, 2003. http://hdl.handle.net/1842/1100.
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This thesis addresses the problem of generating a range of natural sounding pitch contours for speech synthesis to convey the specific meanings of different intonation patterns. Where other models can synthesise intonation adequately for short sentences, longer sentences often sound unnatural as phrasing is only really considered at the sentence level. We build models within a framework of prosodic structure derived from the linguistic analysis of a corpus of speech. We show that the use of appropriate prosodic structure allows us to produce better contours for longer sentences and allows us to capture the original style of the corpus. The resulting model is also sufficiently flexible to be adapted to suitable styles for use in other domains. To convey specific meanings we need to be able to generate different accent types. We find that the infrequency of some accent and boundary types makes them hard to model from the corpus alone. We address this issue by developing a model which allows us to isolate the parameters which control specific accent type shapes, so that we can reestimate these parameters based on other data.
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Smith, Tim J. "An attentional theory of continuity editing." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/1076.
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The intention of most film editing is to create the impression of continuous action (“continuity”) by presenting discontinuous visual information. The techniques used to achieve this, the continuity editing rules, are well established yet there exists no understanding of their cognitive foundations. This thesis attempts to correct this oversight by proposing that “continuity” is actually what perceptual and developmental psychologists refer to as existence constancy (Michotte, 1955): “the experience that objects persist through space and time despite the fact that their presence in the visual field may be discontinuous” (Butterworth, 1991). The main conclusion of this thesis is that continuity editing ensures existence constancy by creating conditions under which a) the visual disruption created by the cut does not capture attention, b) existence constancy is assumed, and c) expectations associated with existence constancy are accommodated after the cut. Continuity editing rules are shown to identify natural periods of attention withdrawal that can be used to hide cuts. A reaction time study shows that one such period, a saccadic eye movement, occurs when an object is occluded by the screen edge. This occlusion has the potential to create existence constancy across the cut. After the cut, the object only has to appear when and where it is expected for it to be perceived as continuing to exist. This spatiotemporal information is stored in a visual index (Pylyshyn, 1989). Changes to the object’s features (stored in an object file; Kahneman, Treisman, & Gibbs, 1992), such as those caused by the cut, will go unnoticed. A duration estimation study shows that these spatiotemporal expectations distort due to the attention withdrawal. Continuity editing rules show evidence of accommodating these distortions to create perceived continuity from discontinuous visual information. The outcome of this thesis is a scientific understanding of filmic continuity. This permits filmmakers greater awareness of the perceptual consequences of their editing decisions. It also informs cognitive scientists of the potential of film as an analogue for real-world perception that exposes the assumptions, limitations, and constraints imposed upon our perception of reality.
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Ono, Masumi. "A genre analysis of Japanese and English Ph.D. theses in the field of literature : macrostructure and introductory chapters." Thesis, University of Essex, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.574452.
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This study investigates the macrostructure and generic features of introductory chapters in Japanese and English Ph.D. theses in the field of literature through cross-cultural and intra-cultural comparisons. It also explores expectations of Japanese and British academics regarding literature Ph.D. theses in order to find out whether the actual thesis-writing conventions match academics' expectations. The corpus consisted of 51 Japanese and 48 English Ph.D. theses written by native speakers of Japanese or English collected from three Japanese and three British universities. The 99 theses were examined in terms of type of macrostructure, number of chapters, and pre-introduction components such as acknowledgements, abstracts, and tables of contents. Introductory chapters of the theses were analysed using Swales' (1990, 2004) revised CARS (Creative A Research Space) model. The results of textual analysis showed that all the literature theses employed a topic-based macrostructure and two types of dominant patterns were found within the topic-based category: the chapter-based pattern and the two-level pattern. The Japanese and English introductory chapters displayed cross-cultural and intra-cultural similarities and differences in the use of moves and steps. Among the 18 steps, five steps were considered as move-independent, occurring in more than one move, whereas the other 13 steps were seen as move-specific, belonging to one particular move. The move-independent steps had a stronger cyclical nature than the move-specific steps. Semi-structured interviews were conducted with seven Japanese and ten British academics. While most of them perceived the topic-based macrostructure as a fundamental structure of literature Ph.D. theses, a wide variation in macrostructure was emphasised. Cross-cultural differences were found concerning their views about thesis abstracts and acknowledgements, and their expectations of introductory chapters varied considerably. In light of the textual and interview analysis, a revised model called Open-CARS model for literature thesis introductory chapters is proposed that reflects the disciplinary norms, conventions and nature of literature research.
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Almendra, Rita Assoreira. "PhD Thesis. Making in the conceptual phase of design processes. A descriptive study contributing for the strategic adequacy an overall quality of design outcomes." Doctoral thesis, Faculdade de Arquitectura de Lisboa, 2010. http://hdl.handle.net/10400.5/3320.
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Tese de Doutoramento em Desenho<br>Este é um trabalho de investigação sobre processos de projecto e mais especificamente sobre a forma como a tomada de decisão pode influenciar os resultados destes em termos da sua adequação estratégica e qualidade global. O estudo incide sobre a fase conceptual dos processos de projecto e procura descrever o comportamento dos projectistas tanto ao nível do Ensino (estudantes finalistas) como ao nível das empresas. Um dos resultados previstos era a criação de um modelo descritivo que suportasse a compreensão da gestão de processos de projecto nas suas variáveis mais críticas. Este modelo descritivo deveria basear-se na identificação de parâmetros chave dos processos de design no que concerne a sua adequação estratégica e qualidade global. Em termos metodológicos trata-se de uma investigação mista com claro domínio de métodos qualitativos de investigação activa como são as experiências videogravadas de processos de projecto, tanto em situação de simulação como em situação de contexto real. Os métodos quantitativos foram também utlizados e serviram o propósito da triangulação metodológica de dados por forma a obter-se uma descrição o mais rigorosa e consistente possível dos processos de projecto e seus elementos estruturantes. A recolha de dados deu-se tanto no contexto de ensino como no contexto empresarial portugueses tendo-se efectuado experiências em que estas duas áreas de intervenção interagiram. Ademais foi feita uma comparação do desempenho de estudantes universitários Portugueses e Holandeses do Curso de Design. Esta análise almejava confirmar informação obtida em estudos anteriores e assim validar o presente estudo e também visava perceber o papel que diferentes currículos de ensino podem ter na performance dos alunos finalistas. A conclusão fundamental deste estudo é a de que a tomada de decisão a par com a gestão de informação e conhecimento e a geração de ideias são aspectos fundamentais a serem acedidos nos processos de projecto xiii Resumo quando se persegue a sua adequação estratégica e uma boa qualidade global destes. Um segundo contributo deste trabalho é a descriminação de um conjunto de parâmetros que servem a melhor compreensão dos processos de tomada de decisão no projecto. Estes parâmetros integram um modelo descritivo de tomada de decisão criado e que equaciona a tomada de decisão em três níveis distintos que são interdependentes da gestão de informação e conhecimento e da geração de ideias. O modelo criado apresenta num nível macro, respeitante à ‘mindset’ do projectista e que tem dois elementos a considerar: a) a estratégia de projecto que pode ser de três tipos: guiada pelo problema; guiada pela solução; guiada pela integração; e b) os processos cognitivos criativos que assumem dois modos de acção: o exploratório, que tem a ver com operações tais como a alteração contextual, a inferência funcional, o teste de hipóteses e, o generativo, que se relaciona com a transferência analógica, a associação, a recuperação de elementos/informação e a síntese. Num nível intermédio as decisões podem ser de três distintas naturezas: de Enquadramento (Framing), Chave (Key) e Facilitadoras (Enabler). Por fim temos o nível micro do modelo, que corresponde à operacionalização da ‘mindset’ e que compreende a estratégia da decisão e o modo de decisão. Quanto à estratégia de decisão esta pode ser: a) baseada em regras de compensação, b) baseada em regras de não compensação ou c) mista numa negociação das duas primeiras. O modo de decisão está intimamente ligado às dinâmicas de grupo e foca-se na forma como os grupos organizam o projecto e decidem.<br>This research focuses on the design process and more specifically on the way decision making can influence the design process’ outcomes in its strategic adequacy and overall quality. The study is centred on the conceptual phase of the design process and, in general, aims to describe the behaviour along the process of design students and professional Portuguese designers both at the educational and business level. It should result in a descriptive model to support the understanding of design process management in terms of its critical variables. This descriptive model is based on the identification of the key parameters of design processes concerning its strategic adequacy and overall quality. In methodological terms it is a mixed methods research with a clear dominance of qualitative methods integrating an active research where experiments either in simulated situations or in real context play a key role. Quantitative methods were also used and they served the purpose of triangulating data in order to have a more consistent and rigorous description of the design process and its main structural elements. Data gathering occurred in the education and business areas, partly separately and partly combined. Furthermore, in the field of education a comparison of the performance of both Portuguese and Dutch university students was made. That helped to validate some findings of previous studies but also to understand the role different Design curricula can have in the performance of students. The main conclusion of the study is that decision making togehter with information and knowledge management, and idea generation are the fundamental aspects to be addressed in design processes when both strategic adequacy and good quality of the design outcomes are pursued. Another important finding is that decision making is better understood through the use of a few central parameters. These parameters were used in the creation of a descriptive decision making model that equates xi Abstract decision making at three different levels that are highly dependent on information/knowledge management and Idea generation. At a macro level, which regards the mindset of the designer, we make a distinction into two elements: a) the design strategy with its three types – problem driven, solution driven and integration driven; and b) the creative cognitive processes that present two modes of action: the exploratory one that has to do with operations such as contextual shifting, functional inference and hypothesis testing; and the generative one that is related with analogical transfer, association, retrieval and synthesis. At an intermediate level we have decisions that can have a Framing, Key or Enabler nature. And finally, we have the micro level of the model, the operationalization of the mindset, where the decision strategy and the decision mode are chosen. The decision strategy presents three types of behavior: the compensatory rule based; the non compensatory rule based and the negotiated compensatory /non compensatory one and it is clearly linked with the way decisions are taken in processing information. The mode of decision is linked with group dynamics and focuses on the way teams organize themselves while working and deciding.
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Yaikhom, Gagarine. "Message passing with communication structures." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/921.
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Abstraction concepts based on process groups have largely dominated the design and implementation of communication patterns in message passing systems. Although such an approach seems pragmatic—given that participating processes form a ‘group’—in this dissertation, we discuss subtle issues that affect the qualitative and quantitative aspects of this approach. To address these issues, we introduce the concept of a ‘communication structure,’ which defines a communication pattern as an implicit runtime composition of localised patterns, known as ‘roles.’ During application development, communication structures are derived from the algorithm being implemented. These are then translated to an executable form by defining process specific data structures, known as ‘branching channels.’ The qualitative advantages of the communication structure approach are that the resulting programming model is non-ambiguous, uniform, expressive, and extensible. To use a pattern is to access the corresponding branching channels; to define a new pattern is simply to combine appropriate roles. The communication structure approach therefore allows immediate implementation of ad hoc patterns. Furthermore, it is guaranteed that every newly added role interfaces correctly with all of the existing roles, therefore scaling the benefit of every new addition. Quantitatively, branching channels improve performance by automatically overlapping computations and communications. The runtime system uses a receiver initiated communication protocol that allows senders to continue immediately without waiting for the receivers to respond. The advantage is that, unlike split-phase asynchronous communications, senders need not check whether the send operations were successful. Another property of branching channels is that they allow communications to be grouped, identified, and referenced. Communication structure specific parameters, such as message buffering, can therefore be specified immediately. Furthermore, a ‘commit’ based interface optimisation for send-and-forget type communications—where senders do not reuse sent data—is presented. This uses the referencing property of branching channels, allowing message buffering without incurring performance degradation due to intermediate memory copy.