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Ramos, Geraldo André Raposo. "Neuro-fuzzy based screening for EOR projects and experimental investigation of identified techniques in oilfield operations." Thesis, University of Aberdeen, 2018. http://digitool.abdn.ac.uk:80/webclient/DeliveryManager?pid=238793.
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Pipal, David. "TERRA INCOGNITA - LOTYŠSKO - EXPANZE ZNAČKY ZETOR NA MÍSTNÍM TRAKTOROVÉM TRHU." Master's thesis, Vysoké učení technické v Brně. Fakulta podnikatelská, 2007. http://www.nusl.cz/ntk/nusl-408039.
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This Thesis analyses various representation models in the matter of Latvian tractor market penetration by Zetor brand products and herewith presents all necessary information concerning this problem. All suggested representation models are going to be evaluated and the output of this evaluation is the optimal model presentation for Zetor Group management. This authority is responsible for strategic decision of final representation model for Zetor brand products on Latvian tractor market.
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Kupongsak, Sasikan. "Food process control based on sensory evaluations /." free to MU campus, to others for purchase, 2003. http://wwwlib.umi.com/cr/mo/fullcit?p3115564.
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Fagundes, Alexandre Borges. "Modelagem fuzzy para avaliação de desempenho ambiental do gerenciamento de resíduos sólidos industriais." Universidade Tecnológica Federal do Paraná, 2015. http://repositorio.utfpr.edu.br/jspui/handle/1/1140.
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Esta Tese desenvolveu um instrumento para avaliação de desempenho ambiental no gerenciamento de resíduos sólidos industriais. A verificação das práticas considera o transcurso do ciclo de vida do produto por meio de indicadores e índices tendo como parâmetros alicerçadores a Política Nacional de Resíduos Sólidos e conceitos afins, como a logística reversa, a Produção mais Limpa e o Ecodesign, além de normas da série ISO 14000 tais como Sistemas de Gestão Ambiental, Integração de aspectos ambientais no projeto e desenvolvimento de produtos, Rotulagem ambiental e Avaliação de Desempenho Ambiental. O objetivo central da Tese, que foi desenvolver um modelo para avaliação de desempenho ambiental, esta contido neste panorama, o qual recorreu aos recursos da modelagem fuzzy a fim de assessorar as organizações na tomada de decisões. A metodologia, de natureza qualitativa e quantitativa, embasou a construção do instrumento denominado Índice de Desempenho Ambiental da Gestão de Resíduos Sólidos Industriais (IDEA PNRS+L). Este se constitui de 26 indicadores e 23 índices, concebido na forma top-down soft decision tree. O cálculo dos índices, compostos de regras fuzzy, variáveis e suas inferências, incluiu a visão de um grupo de especialistas, em pesquisa de opinião, para ajustar os graus de influência das variáveis de cada índice. Nas simulações, testes e aplicação do instrumento em uma indústria para avaliar as suas potencialidades, o IDEA PNRS+L mostrou-se sensível, mesmo para pequenas variações dos dados de entrada, plausível e confiável, ao reproduzir o comportamento estabelecido em sua concepção. Os parâmetros alicerçadores que constituíram o corpo teórico, concluindo, foram assaz abrangentes e permitiram a construção do instrumento de avaliação de desempenho ambiental IDEA PNRS+L, considerado adequado para a arbitragem das organizações. Concomitantemente, foram recuperadas as normas, concepções de iniciativas governamentais e atitudes profissionais ambientalmente corretas apoiadas em conceitos vanguardistas de produtos e serviços.This Thesis develops an instrument for evaluating environmental performance in management of industrial solid waste. The practices verification consider the industrial product life-cycle through indicators and indices based on the National Policy on Solid Waste parameters and related concepts such as reverse logistics, Cleaner Production and Ecodesign, and standards like ISO 14000 series such as environmental management systems, integrating environmental aspects in product design and development, environmental labels and Environmental Performance Evaluation. The central Thesis’ aim, that was to develop an environmental evaluating model, contains this panorama, which calls on a fuzzy modeling tool to assist organizations in making decisions. Two methodological research groups covered the dicussions and the instrument construction called Environmental Performance Index of Industrial Solid Waste Management (IDEA PNRS+L): qualitative and quantitative. This fuzzy modeling is composed of 26 indicators and 23 index, conceived in top- down soft decision tree form. The index calculation - composed of fuzzy rules, variables and their inferences - included a group of specialists respondents view, through a survey, to adjust the variables influence degrees of each index. In the simulations, testing and application of the created instrument in an industry to assess their potential, IDEA PNRS+L was sensitive even to small variations of the input data, plausible and reliable, to reproduce the behavior established in the initial configuration. Concluding, the fundamental parameters that formed the theoretical framework were quite comprehensive and allowed the construction of Environmental Performance Evaluation called IDEA PNRS+L, appropriated for industrial arbitration. Simultaneously, the rules, government initiatives concepts and accurated environmentally professional attitudes supported by avant-garde products and services concepts were recuperated.
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Schmerber, Benoît. "Le "métier flou" de Conseiller en insertion professionnelle : des bricoleurs de l'accompagnement vers l'emploi à l'épreuve du libéralisme (Période 1985-2015)." Thesis, Reims, 2020. http://www.theses.fr/2020REIML002.
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Depuis une trentaine d’années, les politiques publiques traitant du chômage recourent à l’intervention de conseillers en insertion professionnelle du secteur privé. Cette thèse cherche à analyser ce métier, ses pratiques, ses problématiques au prisme de trois questions : les spécificités du processus de professionnalisation, les trajectoires des conseillers, les composantes et mécanismes de construction d’une professionnalité.Le recueil de données s’appuie sur la tradition de l’enquête et de l’interview, mais aussi sur un journal de pratiques constitué alors que nous étions praticien et un « recueil de représentations » émanant de conseillers.Au-delà d’une connaissance empirique du métier, sont sollicitées pour analyser les données, trois modèles théoriques que nous considérons complémentaires: l’herméneutique wébérienne, la sociologie critique bourdieusienne ainsi que des éléments d’anthropologie.Cette thèse montre que les enjeux complexes et paradoxaux du champ de l’activité sont à l’origine d’un processus atypique de professionnalisation relevant de la catégorie, aujourd’hui reconnue, des métiers flous.D’autre part, plus que d’une formation académique, devenir conseiller relève d’un parcours de socialisation, primaire et secondaire, ouvrant à l’acquisition d’un habitus et de dispositions spécifiques en lien avec les trajectoires individuelles.Enfin, autre particularité consécutive aux contradictions du champ et à sa conversion inéluctable aux logiques de l’économie libérale, persévérer dans ce métier passe par l’élaboration d’un imaginaire palliatif, subjectif et collectif, basé sur une notion d’engagement qui dépasse le cadre de la commande publiqueOver the past thirty years, public policies dealing with unemployment have relied on the work of professional job placement counselors from the private sector. This thesis aims to analyse this profession, its practices and its problems through the perspective of three questions: the specificities of the professionalization process, the trajectories of consultants and the components and mechanisms needed to build a professionalism. The data collection is based on the tradition of survey and field interviews, but also on a practice journal compiled when we were ourselves practitioners as well as a "representations collection" from other consultants. On top of an empirical knowledge of the profession, three theoretical models are requested to analyse the data: Weberian hermeneutics, Bourdieusian critical sociology and some elements from anthropology This thesis shows that the complex and contradictory issues from that field of activity are at the basis for an atypical process of professionalization in a job category that is now considered as fuzzy. On the other hand, more than just an academical training, becoming a consultant is part of a socialization path, both primary and secondary, leading to the acquisition of a habitus and some specific provisions related to individual trajectories. Lastly, another particularity resulting from the contradictions from that field and its unavoidable changeover to the logic of liberal economy, is that being able to persevere in this profession requires the development of a palliative, subjective and collective imaginary, based on a notion of commitment that goes beyond the framework of public procurement
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Smith, Richard J. Smith. "A Fuzzy-Trace Theory Approach to Exploring Verbal Overshadowing." Miami University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=miami1496137671942431.
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Titcomb, Allison Louise 1963. "False memories and fuzzy-trace theory: Misinforming gist versus verbatim memory." Diss., The University of Arizona, 1996. http://hdl.handle.net/10150/264412.
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Most misinformation studies have tested memory for altered details of an event (e.g., stop sign, wrench, swing set). This study varied the type of misleading information to include consistent gist, inconsistent gist and consistent details as well as inconsistent (or altered) details. Misinformation studies follow a three-stage procedure: an initial event, misleading information, and a final memory test. Here, too, adult participants initially observed a slide sequence. Misinformation was embedded in a comprehension test and memory was tested with a recognition test. The timing of the misleading information and the timing of the final memory test resulted in three between-subjects levels: Immediate misinformation and Immediate recognition test, Immediate misinformation and Delayed recognition test, Delayed misinformation and Delayed recognition test. The delay was one week after the initial slide observation. The final recognition test queried memory for what subjects saw (a Yes-No "verbatim" task) and what they believed to be true (a True-False gist-based judgment). All subjects judged misleading items (lures) and original items for each kind of misleading information. Subjects also rated confidence for each answer. Descriptions and examples of all stimuli are provided in the Appendices. An analysis of variance conducted on the signed confidence data (judgment combined with confidence) revealed significant differences among the types of misleading information (gist consistent had highest rates of recognition, inconsistent items were rejected but less so when subjects were misled), differences between Yes-No "verbatim" and True-False judgments (truth ratings were greater than the verbatim ratings but were equally high for consistent gist), different effects of forgetting (decreased recognition of originals, increased recognition of lures), and significant misinformation effects. Memory dependency analyses revealed that the relationship between memory for an event and memory for misleading information depends on the type of information, whether gist or detail in nature. Results are discussed in terms of storage explanations (e.g., discrepancy detection, misinformation acceptance), retrieval accounts (e.g., coexistence, blocking, discrimination) and fuzzy-trace theory. The conclusions support, in general, predictions from fuzzy-trace theory. Implications for eyewitness testimony include the importance of early, neutral questioning.
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Kneer, Ryan Taylor. "Fuzzy trace theory and the development of interference in recognition and recall." Diss., The University of Arizona, 1994. http://hdl.handle.net/10150/186973.
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This study addressed the free recall and recognition memory processes of elementary school children. It has been discovered that when children recall items from episodically related collections, a non-monotonic relationship is found between the memory strengths of those items and the order in which they are recalled. This relationship is known as cognitive triage, and it is not understood if the same phenomena would occur with recall involving semantic memory. Regarding recognition memory, experiments have tapped children's tendency to falsely remember words whose gist is the same as the gist of newly learned items. These past studies have focused primarily on a reversal of the standard false-recognition effect, where related distractors were easier to reject than unrelated distractors under some conditions. No research to date has ignored reversals and clearly examined the false-recognition effect itself. This study examined kindergarten, third, and sixth grade children's free recall organization and false-recognition of related distractors. The cognitive triage experiment examined semantic memory through having children recall exemplars from categories in Battig and Montague's (1969) lists. The recognition experiment examined developmentally the differential rate of false-recognition for related and unrelated distractors. Fuzzy Trace Theory (FTT) contends that the ability to inhibit interference increases with age. Hence, younger children were hypothesized to show a weaker cognitive triage effect and more false-recognition than older children. The latter result was found, whereas the former result was not. False-recognition did decrease with age but although a triage effect was observed for category exemplar production, the effect did not vary developmentally. The principle difference between this triage study and previous research is that lists offering preexperimental measures of memory strength were employed. These lists were normed on adults and therefore cognitive triage may have been different for children. Thus, this study indicates that developmental effects are found for false-recognition of related distractors but not for category exemplar production when using Battig and Montague's (1969) lists.
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White, Claire May. "Risk eDecisions : online behaviour and decision making from the iGeneration to the 'silver surfer'." Thesis, University of Plymouth, 2017. http://hdl.handle.net/10026.1/10376.
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Since the inception of the Internet there has been immense growth in the number of internet users worldwide, and the integration of social media in our daily lives has become commonplace for many. Yet, alongside the many benefits of this global connectivity come numerous risks. Research shows that individuals of all ages are exposed to, and engage in, risky activities online, despite numerous campaigns to highlight the perils of risky online behaviour. Although the rates of victimisation increase year-on-year, surprisingly little is known about the psychological mechanisms underlying online risk-taking. The work in this thesis aimed to address this gap in the psychological literature by conducting empirical research focussing on online risky behaviour and decision making across the lifespan. Four studies, conducted with individuals ranging in age from 13- to 79-years-old, investigated two online risk-taking behaviours, personal information disclosure and friending strangers, within the framework of Fuzzy Trace Theory. A further study investigated the posting of risky and inappropriate content online in British and Italian students, examining the role of self-monitoring and impulsivity. The work in this thesis reveals that Fuzzy Trace Theory is able to predict risk-taking and risk-averse behavioural intentions, and that the retrieval of gist-based, intuitive beliefs and values about online risk reduces risk-taking behaviour and intentions, whereas representing risk in a quantitative-based, verbatim manner leads to increased risk-taking intentions. The ability to reason using gist representations increases with age. Additionally, high self-monitoring was found to predict risky posting behaviour across different cultures. These findings offer a novel and important contribution to our theoretical and practical knowledge about risky online behaviour, and have the potential to inform the development of more effective online safety intervention programmes.
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Weil, Audrey M. "Predictors of Reasoning Ability: Working Memory Capacity and Fuzzy Processing Preference Index." Miami University / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=miami1397745903.
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Fulginiti, John Vincent. "Ambiguity, precision, and choice: A fuzzy trace theory analysis of framing effects in decision-making under uncertainty." Diss., The University of Arizona, 1995. http://hdl.handle.net/10150/187093.
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Framing effects are inconsistencies in preference across transformations in stimulus content. In this study, I present two experiments designed to test the descriptive power of two competing theories of cognitive aspects of framing effects in choice. Traditional explanations for framing effects, such as prospect theory, suggest that choice is a function of operations on numerical elements of risky stimuli. Cognition is presumed to be quantitative in nature, including diminishing returns for the values of outcomes and discounting of probabilities. In contrast, fuzzy trace theory, a relatively new conceptualization of cognition with very different assumptions than psychophysical approaches, suggests framing effects result from qualitative processing of decision components. Participants chose between certain and risky alternatives across a variety of reflection problems. Dependent variables in these experiments include choice, confidence in choice, a sensitive weighted measure called signed confidence, and response latency. Results of both experiments suggest failures of the psychophysical approach, and highlight successful predictions based on fuzzy trace theory. These predictions are based on four principles of the fuzzy trace theory intuitive approach to cognition: gist extraction, the hierarchy of gist, the fuzzy to verbatim continuum of memorial representations, and the fuzzy processing preference. The results tend to refute explanations of framing effects as being computationally and quantitatively driven and support explanations based on qualitative processing. Intuition, rather than human information processing, is an elegant description of decision making under uncertainty.
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Maloney, Krisellen 1960. "Information representation for judgment and decision-making in the development of expertise in radiology: A fuzzy-trace theory analysis." Diss., The University of Arizona, 1998. http://hdl.handle.net/10150/288847.
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Traditional information-processing accounts of the reasoning process in radiology assume that humans process the details of the input image in order to compute judgments. In these accounts, the development of expertise involves the acquisition of increasingly precise and complex internal problem representations that are based on a normal anatomy prototype. Fuzzy-trace theory predicts that accurate judgments rely on the reasoners ability to ignore irrelevant detail, to retrieve relevant gist memories and to accurately instantiate the image information with respect to the internal representation. Fuzzy-trace theory predicts that the development of expertise involves the ability to access and process less precise and complex internal representations (i.e., gist). The purpose of this study was to examine the internal representations used to make judgments in radiology and to quantify the changes in complexity of the internal representations, as well as the differences in time, accuracy and confidence that might be associated with experience. Thirty-five subjects from general and specialized expertise samples participated. Each subject was presented with 32 chest films including normal films, films with precise disease patterns (mass category) and diffuse disease patterns (interstitial and airspace category). For each film, the participant made a series of judgments (normal/abnormal; category; specific diagnosis) and then sketched the features that were essential to the judgments. The information content and complexity of the representations were calculated using an approach that considered the underlying meaning of the sketches rather than the surface form. The sketches were converted to propositions and the information in the propositions was evaluated in terms of possible world semantics. Time, accuracy, confidence and content measures supported the prediction of fuzzy-trace theory that the internal representations are abnormality-based. Consistent with predictions regarding the acquisition and use of gist representations expertise was associated with greater improvements in accuracy for interstitial (as opposed to mass) films; accuracy was higher with interstitial films when judgments were less reliant on surface detail (normal/abnormal); and accuracy was higher for mass films when judgments were more reliant on surface detail (specific diagnosis). Complexity measures showed that the overall representations did not get more complex with the development of expertise.
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McBride, Freda D. H. "Memory Bias in the Use of Accounting Information: An Examination of Affective Responses and Retrieval of Information in Accounting Decision Making." Diss., Virginia Tech, 1998. http://hdl.handle.net/10919/30551.
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This dissertation is based on the Kida-Smith (1995) model of "The encoding and retrievability of numerical data." It is concerned with the variable conditions under which a positive affective response (i.e., a decision or opinion that results in a positive valence) on previously viewed accounting information may and may not influence current decision-making.
An affective response to accounting numbers may adversely influence decisions made based on those numbers. Prior research has found that individuals recall information that is consistent with prior decisions more readily than they recall inconsistent information. Research has also shown that current judgements are biased toward prior decisions or judgements. These biases may cause current decisions to be suboptimal or dysfunctional.
Two 2x2 experiments were conducted to examine four hypotheses. These hypotheses concerned (1) the influence of an affective response on an investment decision when the differences between two sets of accounting numbers are small and when the differences are large, (2) the influence of an affective response on the recall of numerical data, (3) the influence of time on the recall of numerical data given an affective response, and (4) the influence of an affective response on an investment decision when the level of cognitive processing at the time the affective response is produced is low and when the level of processing is high.
The first experiment used graduate students in an accounting course to investigate the influence of differences between numerical amounts on decision making. It also investigated the influence of time between the encoding and retrieval on recall of numerical amounts.
The second experiment used accounting practitioners to investigate the influence of differences between numerical amounts on decision making, and to examine the influence of different levels of cognitive processing at the time of encoding on decision making.
Results indicate that an affective response does produce suboptimal decisions. In the case of accounting practitioners, however, the influence of the affective response is mitigated when the magnitude of the difference between the accounting numbers previously viewed and those undergoing current examination is large rather than small.
The affective response did not significantly influence the recall of numerical amounts. There was no significant change in the influence of the affective response on recalled amounts with increased time between encoding and retrieval. Also, there were no significant changes in decision-making with increased processing at the time of encoding.Ph. D.
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Rubinchik, Nataliya. "A demonstration of the meta-studies methodology using the risky-choice framing effect." The Ohio State University, 2019. http://rave.ohiolink.edu/etdc/view?acc_num=osu1574201911927335.
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Dandignac, Mitchell Edward. "A Computational Linguistic Paradigm for Assessing the Comprehension and Social Diffusion of Medical Information." Miami University / OhioLINK, 2021. http://rave.ohiolink.edu/etdc/view?acc_num=miami1626091707909761.
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Marciani, Francesca. "Numeric Memory: Developing Representations." The Ohio State University, 2013. http://rave.ohiolink.edu/etdc/view?acc_num=osu1365697597.
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Quinonez, Bonnie D. "Influence of Dual Process Decision-Making Theory in Patients Diagnosed With Cancer." ScholarWorks, 2017. https://scholarworks.waldenu.edu/dissertations/4402.
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Each year millions of people face the medical decision-making cycle that comes with a diagnosis of cancer. For patients and their families, this can be a rollercoaster of confusion and fear. Researchers have indicated that the complexity of the decision-making process is underrepresented in the current approach of informed decision-making. The purpose of this study was to add to scientifically-validated research expanding the identification of factors that influence decision-making for individuals diagnosed with cancer. Fuzzy trace theory (FTT) is the dual process memory theory used as the framework for this study. Qualitative data were collected using semistructured interviews with 10 participants. The sampling strategy included purposeful sampling and snowball or chain sampling. The audio-recorded interviews were transcribed and analyzed. Software tools were used to aid in the creation of word mapping and clusters and a naming structure emerged. A comprehensive thematic analysis was completed. Participants detailed experiences with family and social dynamics, psychological or emotional stress, external influencing factors to the decision-making process, and experiences with cancer advertising. This research can create positive social change through the advancement of scientifically-validated research to support patients during the decision-making process.
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Launay, Céline. "Conception et évaluation d'une consigne verbatim de l'entretien cognitif : la reconstitution." Thesis, Toulouse 2, 2013. http://www.theses.fr/2013TOU20149.
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Le témoignage oculaire est un élément fondamental de la résolution des enquêtes criminelles. Pour la bonne conduite des enquêtes judiciaires, il apparait primordial d’obtenir des témoignages exhaustifs et exacts. C'est ainsi qu’une équipe de recherche a conçu une méthode basée sur les principes du fonctionnement de la mémoire ayant pour but l’optimisation du recueil des propos du témoin : l’entretien cognitif (Geiselman et al. 1984). Si cette méthode permet d’obtenir des descriptions détaillées sans diminution de la qualité du témoignage, elle est néanmoins marginalement utilisée par les professionnels de la justice. L’objectif de cette thèse est double : il s’agit de proposer une consigne d’entretien qui prend en compte les processus psychologiques en œuvre dans le rappel d’un évènement en mémoire épisodique, et qui soit acceptable du point de vue des pratiques professionnelles. Une première étape a consisté en l’analyse des pratiques professionnelles. L’évaluation d’une formation à l’entretien cognitif auprès d’enquêteurs de police a montré que la méthode est facilement assimilable par les enquêteurs, suggérant que sa non-application sur le terrain ne résiderait pas dans sa difficulté d’utilisation, mais relèverait plutôt de problèmes d’acceptabilité de la part des professionnels. Pour comprendre les objectifs professionnels de l’audition, nous avons ensuite procédé à une analyse des pratiques en termes d’audition. Cette analyse a révélé que les enquêteurs recherchaient de façon prépondérante des informations sur les actions d’une scène criminelle. Sur la base de ces constats, nous avons conçu une consigne dite de reconstitution, qui fait appel aux traces verbatim en mémoire, et vise à apporter des actions générales et spécifiques d’une scène. La consigne a été testée dans un protocole d’entretien et a démontré son efficacité aussi bien quantitative que qualitative, en apportant davantage d’informations correctes sur une scène comparée à d’autres consignes, sans augmentation concomitante du nombre d’erreurs. Il apparait que la consigne de reconstitution répond de façon pertinente au principal objectif d’une enquête de policeEyewitness testimony is a fundamental determinant to the resolution of criminal investigations. To conduct criminal investigations effectively, it appears essential to obtain complete and accurate testimony. For this purpose, a research team has developed a method based on the features of human memory, aiming to enhance the eliciting of eyewitness accounts: the cognitive interview (Geiselman et al., 1984). Although this method enables investigators to obtain detailed descriptions without reducing the quality of the testimony, it is still only marginally used by legal professionals. The objective of this thesis is twofold: it aims to provide interviewing instructions which take into account the psychological processes at work in the recalling of events in episodic memory, while simultaneously being acceptable from the standpoint of professional practice. The first step involved conducting an analysis of professional practices. An evaluation of training in cognitive interviewing by police investigators showed that the method is easily learnt and suggests that the lack of implementation in practice does not stem from the difficulties linked to its implementation, but rather arises as a result of a lack of acceptance among professionals. In order to further our understanding of the professional objectives of the hearing, we then conducted an analysis of practices in terms of hearing. This analysis revealed that investigators were essentially seeking out information about the actions which took place during the crime scene. Based on these findings, we designed a re-enactment-alike interviewing instruction, which activates the verbatim traces in memory and is intended to elicit the general and specific actions of a scene. This instruction was tested in an interviewing protocol and demonstrated its quantitative and qualitative effectiveness in providing a greater quantity of correct information compared with other instructions, whilst withstanding a concomitant increase in the number of errors. Re-enactment-alike instruction thus appears highly relevant for reaching the main objective of a police investigation
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Yu-HsienHo and 何育憲. "Multi-objective Trade-off Analysis of Project compression in Fuzzy Environment." Thesis, 2016. http://ndltd.ncl.edu.tw/handle/8una54.
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Fen, Yugin, and 馮瑜瑾. "Applying the Structural Equation Model Rule-Based Fuzzy System to Trade in Volatile Currency Market." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/09412360881850454381.
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博士國立高雄第一科技大學
管理研究所
101
The present study uses the structural equation model (SEM) to analyze the correlations between various economic indices pertaining to latent variables, such as the New Taiwan Dollar (TWD) value, the United States Dollar (USD) value, and USD index. This research adopts the vector autoregression (VAR) dynamic time series model in addition to a comparison analysis by using the SEM static time series model. This study aims to more accurately examine the interactive relations and the degree of influence of the above-mentioned variables, by using the VAR model to construct the complete SEM structure model. In addition, a risk factor of volatility of currency returns is considered to develop a risk-controllable fuzzy inference system. The rational and linguistic knowledge-based fuzzy rules are established based on the SEM model and then optimized using the genetic algorithm. The empirical results reveal that the fuzzy logic trading system using the SEM indeed outperforms the buy-and-hold strategy. Moreover, when considering the risk factor of currency volatility, the performance appears significantly better. Remarkably, the trading strategy is apparently affected when the USD value or the volatility of currency returns shifts into either a higher or lower state.
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Liou, Guie-Jin, and 劉桂錦. "Using Fuzzy Delphi Method and Analytical Hierarchy Process For the indicators of service performance on the trade union." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/44965369631423771453.
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碩士中華大學
工業管理學系碩士班
100
The quality of service is regarded as a key factor of today's business competition tool for competitive advantage for business. In this study, firstly, we survey the service indicators proposed by other scholars. Then, we use SERVQUAL scale dimensions and FDM to construct the service indicators for the trade union performance assessment. Finally, we apply the AHP to get the weights of the indicators. We hope the study’s results are useful to assess the performance of trade unions.
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Chiou, Hua-Wei, and 邱華偉. "An Optimal Time-Cost Trade-Off Procedure of Project Scheduling under the Fuzzy Estimation of Duration and Precedence Relationship of Activities." Thesis, 2010. http://ndltd.ncl.edu.tw/handle/70469334044337312328.
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碩士國立宜蘭大學
土木工程學系碩士班
98
Many uncertain factors can have a substantial effect on project planning. Factors such as weather, geographical features, technical skills, resource allocation, and construction interface, often result in ambiguous estimated project durations and precedence relationship of activities. Although traditional project scheduling may easily be applied, it is difficult to accurately assess the durations and other possible delays under the uncertainties mentioned above. As a result, accuracy and aptness are not easily achieved in project scheduling. This research tries to establish an optimum scheduling model considering the effect of duration, cost, and feasibility at the same time. We employed fuzzy estimation to simulate the functions based on judgments and experiences associated with the manager’s estimation of project durations, and to use fuzzy number to quantify the managers’ expectation on the feasibility of each activity under different durations and precedence relationship. Next, linear programming is used to establish the computing model of the network, which takes the sum of membership function of each activity as the objective, and by optimization to deicide the durations that best meets the manager’s needs, with an aim to evaluate the feasibility of the project. Considering the construction costs in real practice, the model takes into account the trade-offs between duration and cost to find the project of highest feasibility and the lowest cost under a specific duration. This research found that the scheduling can better meet the needs in real practice and its accuracy can be enhanced by considering the fuzziness in duration and precedence relationship of activities and the trade-offs between the time and cost. Secondly, we can improve the effectiveness of scheduling control because, under our new model, we can focus on critical paths on one hand, and prioritize different critical paths by comparing the membership function of each activity within them on the other. Thirdly, decision-makers can better determine the best scheduling plan according to their preferences by considering the time, cost, and feasibility at the same time. With this character, the proposed model can narrow the difference between the estimated duration and the actual duration often found under traditional project scheduling, which is predominantly based on cost, and better avoid the delay of project due to this estimated bias.
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Hsu, hi-Dar, and 徐繼達. "The Sensibility Study on the Application of Fuzzy Sets Theoy to the Trade Negotiation － The Case of Taiwan and U.S.A. Beef Bargaining." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/05793295860034105464.
Full textAbstract:
博士國立臺灣大學
農業經濟學系
82
Bargaining is the best way to resolve the interest conflicits caused by scarce resources. It does not only allocate economic resources the most efficient, but also achieve economic equity on the negotiation process in a contract. The Purpose of this study is apply the vague character of Fuzzy Sets theory to analyze the process on aggricultural trade negotiation, and to know how leads to the various possibility stimulation results. Furthermore, we prove if weather bargining contract is suitable for the economic efficiency and equity of the Coases Theorm. This is crucially distinquished from the past bagaining theory. According to the prove of the axiom of fuzziness, We assume the membership function-the preference of negotiation possibility as the index of negotiation, then we can figure out equilibrium solution of Pareto Optimum. Secondly, developing this solution, we can also achieve economic efficient and equity by finding out the contract curve and fairness boundary from the equilibrium solution. In the empirical study of the specific tariff negotiation on beef between Taiwan and U.S.A., We can figure out that the optimal tariff rate Taiwan on importing beef from U.S.A. is 26 to 27 N.T. per kilograms, when Taiwan is under uniform specific tariff instead of imported quotas. It shows that only by trade negotiation to agree the optimal tariff rate, can both avoid the trade dispute and frictions, and make each other better off.
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Αμοργιανιώτης, Θωμάς. "Εξαγωγή αποδοτικών και ερμηνεύσιμων επενδυτικών κανόνων με χρήση μεθόδων υπολογιστικής νοημοσύνης." Thesis, 2014. http://hdl.handle.net/10889/8480.
Full textAbstract:
Ο σκοπός της παρούσας διπλωματικής εργασίας είναι η δημιουργία μιας μεθόδου για την εξαγωγή αποδοτικών και ερμηνεύσιμων επενδυτικών κανόνων με χρήση μεθόδων υπολογιστικής νοημοσύνης. Οι επενδυτικοί αυτοί κανόνες εξάγονται αυτόματα από το σύστημα και υποδεικνύουν τη στρατηγική που πρέπει να ακολουθήσει ένας χρήστης. Αποκαλύπτουν το συσχετισμό των εισόδων και παρέχουν πληροφορίες για κερδοφόρες επενδυτικές στρατηγικές.
Η υπολογιστική νοημοσύνη (computational intelligence) αποτελεί παρακλάδι της τεχνητής νοημοσύνης το οποίο περιλαμβάνει τον σχεδιασμό και την ανάπτυξη θεωριών και μεθόδων, βασιζόμενη στην κατανόηση της βιολογίας και της προσπάθειας για εφαρμογή σε προβλήματα του πραγματικού κόσμου.
Ένα σύστημα είναι υπολογιστικά ευφυές όταν: ασχολείται μόνο με αριθμητικά (χαμηλού επιπέδου) δεδομένα, έχει συστατικά αναγνώρισης προτύπων, δεν χρησιμοποιεί γνώσεις στην μορφή της τεχνητή νοημοσύνης και επιπλέον, εμφανίζει i) υπολογιστική προσαρμοστικότητα, ii) υπολογιστική ανοχή σε σφάλματα, iii) επιτάχυνση που προσεγγίζει την ανθρώπινη, και iv) τα ποσοστά σφάλματός του προσεγγίζουν την ανθρώπινη απόδοση. Οι αλγόριθμοι της υπολογιστικής νοημοσύνης αποτελούνται από μοντέλα που εκπαιδεύονται από τα παραδείγματα με την βοήθεια ενός δασκάλου (επιβλεπόμενη μάθηση) και μοντέλα τα οποία προσαρμόζονται μόνα τους (μη επιβλεπόμενη μάθηση).
Το πρόβλημα στις παρούσες προσεγγίσεις για την πρόβλεψη οικονομικών δεικτών εντοπίζεται στην μη ερμηνευσιμότητα των αποτελεσμάτων. Ενώ υπάρχουν δυνατά υπολογιστικά μοντέλα, όπως οι γενετικοί αλγόριθμοι και οι μηχανές διανυσμάτων υποστήριξης, τα αποτελέσματα τους δεν είναι ερμηνεύσιμα. Από την άλλη τα μοντέλα της ασαφούς λογικής ενώ παρουσιάζουν ερμηνεύσιμα αποτελέσματα δεν έχουν την δύναμη να παράγουν αποδοτικούς κανόνες. Το μοντέλο που προτείνεται σε αυτή την εργασία συνδυάζει τις τρεις προαναφερθείσες μεθόδους ονομάζεται ESVM-Fuzzy Inference Trader. Το προτεινόμενο μοντέλο χρησιμοποιείται για την πρόβλεψη των δεικτών DAX και FTSE 100. Τα αποτελέσματα του ESVM Fuzzy Inference Trader ξεπέρασαν σε απόδοση τις παραδοσιακές μεθόδους καθώς και μια εξελιγμένη τεχνική μηχανικής μάθησης.The purpose of the present thesis is to develop a method for extracting efficient and interpretable investment rules, using methods of Computational Intelligence. The investment rules are automatically extracted from the system and suggest the strategy to be followed by a user. They are revealing the correlation between inputs and provide information on profitable investment strategies. Computational intelligence (CI) constitutes a subbranch of Artificial Intelligence (AI) that includes the design and development of theories and methods with a sound biological understanding alongside their application to solve real world problems. A system is computationally intelligent when it deals with only numerical (low level) data, has pattern recognition components, does not use knowledge in the AI sense and additionally when it (begins to) exhibit i) computational adaptivity, ii) computational fault tolerance, iii) speed approaching human-like turn around and iv) error rates that approximate human performance. The CI algorithms consist of models that are trained from examples with the aid of a tutor (supervised learning) and models that are self-adapted (unsupervised learning) The problem in the current approaches for predicting economic indicators is the non-interpretability of results. While there are strong computational models, such as genetic algorithms and support vector machines their results are not interpretable. On the other hand fuzzy logic models create interpretable results, but lack the power to produce efficient rules. The model proposed in this paper combines the three previous methods is called ESVM-Fuzzy Inference Trader. The proposed model is used to predict the indices DAX and FTSE 100. The results of ESVM Fuzzy Inference Trader outperformed traditional methods as well as an advanced machine learning technique.
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Tian-wen, Liao, and 廖添文. "GA-PID And Fuzzy Controller Applied on Grey Signal Trace Design." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/89952420635708335501.
Full textAbstract:
碩士大葉大學
電機工程學系碩士班
91
Sound waves are the most direct ways to broadcast messages in nature, but due to high-tech techniques, the tracing of sound signals can come true only when lots of expenditures and human resources are used. Consequently, this article research adverts the advantages of the combination of the gray color theory and the PID controller and Fuzzy controller and Genetic Alogorithms to realize the design for sound signals to trace airts. This article is composed of three main parts. The first is to use the piezoel-electric element to make a set of four-direction sound-drawing sensor. It’s used to make samples from analog signal information we get, and these samples will be transformed into digital signals for the computer to analyze, compute and handle; in the mean time, we can acquire the characteristic values of signal sources. The second is to use the advantages of the gray system theory to make analyses and decisions of the characteristic values about gray relational grade, so that we can figure out sixteen-direction sound source targets. The last is to use the PID controller and Fuzzy controller and Genetic Alogorithms to make output control（motor）of the target object and the returning back of the location sensor. Finally, through serial information of the three parts’ processes, we can get a signal-tracing system which is fast, highly accurate and disturbance-proof.
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Wu, Mei-Hui, and 吳美慧. "The role of long-term memory in change detection: A preliminary study based on fuzzy-trace theory." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/84267845120290539187.
Full textAbstract:
碩士中原大學
心理學研究所
100
Abstract The study investigated the role of long-trem memory in change detection by studying the contribution of verbatim memory and gist memory traces to change detection. Two ciritcal variables were manipulated: temporal delay between the study phase and the test phase and the number of associated words. There were three possible conditions: change consistent with the gist, change inconsistent with the gist, and no change. The results showed that the accuracy of change detection in delayed tset was lower than the immediate test. In addition, the accuracy of change detection when the change was consistent with the gist was lower when there were more associated words than when there were less associated words.The results suggest the contribution of these two long-trem memory traces in change detection.
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Maloney, Krisellen. "Information Representation for Judgment and Decision-Making in the Development of Expertise in Radiology: A Fuzzy-Trace Theory Analysis." Thesis, 1998. http://hdl.handle.net/10150/105656.
Full textAbstract:
Traditional information-processing accounts of the reasoning process in radiology assume that humans process the details of the input image in order to compute judgments. In these accounts, the development of expertise involves the acquisition of increasingly precise and complex internal problem representations that are based on a normal anatomy prototype.
Fuzzy-trace theory predicts that accurate judgments rely on the reasoners ability to ignore irrelevant detail, to retrieve relevant gist memories and to accurately instantiate the image information with respect to the internal representation. Fuzzy-trace theory predicts that the development of expertise involves the ability to access and process less precise and complex internal representations (i.e., gist).
The purpose of this study was to examine the internal representations used to make judgments in radiology and to quantify the changes in complexity of the internal representations, as well as the differences in time, accuracy and confidence that might be associated with experience. Thirty-five subjects from general and specialized expertise samples participated. Each subject was presented with 32 chest films including normal films, films with precise disease patterns (mass category) and diffuse disease patterns (interstitial and airspace category) . For each film, the participant made a series of judgments (normal/abnormal; category; specific diagnosis) and then sketched the features that were essential to the judgments.