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1
Krahé, Barbara. "Similar perceptions, similar reactions : an idiographic approach to cross-situational coherence." Universität Potsdam, 1986. http://opus.kobv.de/ubp/volltexte/2009/3443/.
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The study provides a test of the interactionist concept of behavioral coherence
across situations. Following an approach suggested by D. Magnusson and B. Ekehammer (1978, Journal of Research in Personality, 12, 41-48), individual correlations between self-reported behavior patterns and perceived similarity ratings across anxiety-provoking situations are obtained as measures of coherence. Unlike the Magnusson and Ekehammar study, the present measures of situation cognition and behavior are based on an idiographic sampling of anxiety-provoking situations. As a step toward concept-based measurement of situation cognition, further measures of perceived situational similarity are derived from the script, prototype, and social episodes models in social psychology and correlated with cross-situational similarity of behavioral profiles. It is demonstrated, in comparison with the findings of Magnusson and Ekehammar, that correlations between similarity ratings and behavior patterns increase substantially as a result of an idiographic sampling of situations. Moreover, it is shown that "script," "prototype," and "social episode" measures can be utilized to investigate the covariation between situation cognition and behavior, thus contributing to the clarification of the principles of cognitive representation of situational experience.
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Roinestad, Kristine A. "Geometry of Self-Similar Sets." Thesis, Virginia Tech, 2007. http://hdl.handle.net/10919/32581.
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This paper examines self-similar sets and some of their properties,
including the natural equivalence relation found in bilipschitz
equivalence. Both dimension and preservation of paths are determined
to be invariant under this equivalence. Also, sophisticated
techniques, one involving the use of directed graphs, show the
equivalence of two spaces.<br>Master of Science
3
Snigireva, Nina. "Inhomogeneous self-similar sets and measures." Thesis, St Andrews, 2008. http://hdl.handle.net/10023/X682.
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Volkov, Oleksii. "Connectedness Properties of Self-Similar Graphs." Thesis, Université d'Ottawa / University of Ottawa, 2016. http://hdl.handle.net/10393/35494.
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This thesis is broadly concerned with two problems: obtaining the mathematical
model of the specific infinite self-similar graph, and investigating
the connectedness of the tree-like graph in order to show its relation to the
associated hyperbolic space. Our main result concerning the former problem
is that, in a variety of situations, the self-similar infinite structure obtained
by using our method as the graph product of a disconnected finite graph
and regular rooted tree can be connected (i.e. have the hyperbolic metric
space associated to it). This addresses a question about the existence of
the optimal depth for the breadth-first search algorithm and also has possible
applications to the recent research topics in Psychological and Brain
Sciences. We approach the connectedness problem by showing the similarity
of obtained geometric structures to well known algebraic structures such as
groupoid and pseudogroup. One of our main results is that, under the assumption
that the emerged geometric self-similar structure is connected, it
is naturally associated to the hyperbolic metric space. Thus, the variety of
well known methods can be applied in further study. We also show that the
connectedness of our structure can be reached in the finite number of steps or
can not be reached at all. This gives the grounds for the optimal application
of the breadth-first search algorithm.
5
Logan, Alan Leslie Leonard. "Accurate relative location of similar earthquakes." Thesis, University of Edinburgh, 1987. http://hdl.handle.net/1842/12457.
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Bast, Holger. "Provably optimal scheduling of similar tasks." [S.l. : s.n.], 2000. http://www.bsz-bw.de/cgi-bin/xvms.cgi?SWB10976167.
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Kikonyogo, Joseph Mary. "Similar solutions for similar problems :harmonising energy trade and investment policies and strategies in the East African community." Thesis, University of the Western Cape, 2009. http://etd.uwc.ac.za/index.php?module=etd&action=viewtitle&id=gen8Srv25Nme4_8557_1297769148.
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<p>Sustainable Energy (oil, gas and electricity) plays an important role in advancing productive capacity and increasing economic growth and sustainable development. In order to achieve this, there must be effective trade and investment in energy. Currently, there is relatively low regional and international trade in energy in the East African Community (EAC). Local and foreign direct investment flowing into the EAC is still very low in spite of a number of measures, such as, investment protection guarantees, that have been taken to improve investment. Each of the five countries in the EAC has its own energy policy, as well as a trade and investment policy and strategy. For some the policies are clearly stated<br>for others they are presumed. However, these policies are not effective. Without effective policies on trade and investment protection and promotion, the EAC will have minimum benefits in terms of terms of trade, investment inflows and sustainable economic development. The EAC is a customs union with an ultimate aim of attaining a political federation. Before this happens, there is need to have effective but also harmonised trade and investment policies and strategies. Adoption of comprehensive harmonised trade and investment policies and strategies shall provide a guideline to the Governments, the trade and investment agencies and other relevant stakeholders to follow in order to attain the ideals, objectives and spirit of the Community. This research, therefore, aims at proposing effective and harmonised trade and investment policies and strategies that Member States should pursue in order to develop the EAC into a viable integrated energy trade and investment zone. The study involves a review of the current policies, strategies, laws, regulations and practices in trade and investment in energy and a discussion of how the situation can be improved. The research raises many suggestions on conservation of energy as well as use of alternative sources ...</p>
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Saulsbury, William J. "A Comparison of Audit Fee Trends for East Tennessee Based Companies and Similar Companies Based in Similar Regions." Digital Commons @ East Tennessee State University, 2014. https://dc.etsu.edu/honors/196.
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Research examines audit fee trends for a decade. The research focuses on audit fees of companies in the East Tennessee Area and compares the audit fees of these companies to similar companies based in similar regions of the United States. Possible causes for the fluctuations of audit fees during the decade are also discussed.
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Feleki, Zsolt. "Moisture adsorption in 3D self-similar structures /." Zürich : ETH, 2007. http://e-collection.ethbib.ethz.ch/show?type=diss&nr=16890.
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Mesimer, Daniel James Place Jerry. "Optical packet switching under self-similar arrivals." Diss., UMK access, 2004.
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Thesis (M.S.)--School of Computing and Engineering. University of Missouri--Kansas City, 2004.<br>"A thesis in computer science." Typescript. Advisor: Jerry Place. Vita. Title from "catalog record" of the print edition Description based on contents viewed Feb. 27, 2006. Includes bibliographical references (leaves 39-40). Online version of the print edition.
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Eroglu, Kemal Ilgar. "Self-similar sets, projections and arithmetic sums /." Thesis, Connect to this title online; UW restricted, 2007. http://hdl.handle.net/1773/5800.
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Jeong, Hae-Duck Joshua. "Modelling of self-similar teletraffic for simulation." Thesis, University of Canterbury. Computer Science, 2002. http://hdl.handle.net/10092/5454.
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Recent studies of real teletraffic data in modern computer networks have shown that teletraffic exhibits self-similar (or fractal) properties over a wide range of time scales. The properties of self-similar teletraffic are very different from the traditional models of teletraffic based on Poisson, Markov-modulated Poisson, and related processes. The use of traditional models in networks characterised by self-similar processes can lead to incorrect conclusions about the performance of analysed networks. These include serious over-estimations of the performance of computer networks, insufficient allocation of communication and data processing resources, and difficulties ensuring the quality of service expected by network users. Thus, full understanding of the self-similar nature in teletraffic is an important issue.
Due to the growing complexity of modern telecommunication networks, simulation has become the only feasible paradigm for their performance evaluation. In this thesis, we make some contributions to discrete-event simulation of networks with strongly-dependent, self-similar teletraffic.
First, we have evaluated the most commonly used methods for estimating the self-similarity parameter H using appropriately long sequences of data. After assessing properties of available H estimators, we identified the most efficient estimators for practical studies of self-similarity.
Next, the generation of arbitrarily long sequences of pseudo-random numbers possessing specific stochastic properties was considered. Various generators of pseudo-random self-similar sequences have been proposed. They differ in computational complexity and accuracy of the self-similar sequences they generate. In this thesis, we propose two new generators of self-similar teletraffic: (i) a generator based on Fractional Gaussian Noise and Daubechies Wavelets (FGN-DW), that is one of the fastest and the most accurate generators so far proposed; and (ii) a generator based on the Successive Random Addition (SRA) algorithm. Our comparative study of sequential and fixed-length self-similar pseudo-random teletraffic generators showed that the FFT, FGN-DW and SRP-FGN generators are the most efficient, both in the sense of accuracy and speed.
To conduct simulation studies of telecommunication networks, self-similar processes often need to be transformed into suitable self-similar processes with arbitrary marginal distributions. Thus, the next problem addressed was how well the self-similarity and autocorrelation function of an original self-similar process are preserved when the self-similar sequences are converted into suitable self-similar processes with arbitrary marginal distributions. We also show how pseudo-random self-similar sequences can be applied to produce a model of teletraffic associated with the transmission of VBR JPEG /MPEG video. A combined gamma/Pareto model based on the application of the FGN-DW generator was used to synthesise VBR JPEG /MPEG video traffic.
Finally, effects of self-similarity on the behaviour of queueing systems have been investigated. Using M/M/1/∞ as a reference queueing system with no long-range dependence, we have investigated how self-similarity and long-range dependence in arrival processes affect the length of sequential simulations being executed for obtaining steady-state results with the required level of statistical error. Our results show that the finite buffer overflow probability of a queueing system with self-similar input is much greater than the equivalent queueing system with Poisson or a short-range dependent input process, and that the overflow probability increases as the self-similarity parameter approaches one.
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Glavin, S. E. "Mathematical modelling of urethral and similar flows." Thesis, University College London (University of London), 2012. http://discovery.ucl.ac.uk/1347918/.
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Flows in flexible tubes and vessels have been studied extensively in the past with particular application to the cardiovascular and respiratory systems. However there have been few treatments of the lower urinary tract, which consists of the bladder and urethra. This thesis concentrates specifically on the urethra with the aim of giving insight into the evolving flow characteristics within the vessel and mechanical responses of the vessel which give rise to fluid structure interactions. Urethral modelling is an important area of research given the social and economic costs involved in lower urinary tract dysfunction. In the modelling, examination is given to slow and fast opening vessels where certain exact analytical solutions are found along with numerical results. Following this, fast and slow responses of the walls of the vessels are considered, where the response is defined as the relative change in cross-sectional area for relatively varying transmural pressure. These features are important for pathologies that alter the characteristics of the vessel wall such as bladder outlet obstruction. A change in the distensibility along the vessel resulting from pathologies or normal transition through the various sections of the urethra is studied both in terms of developing jump conditions based on a localised Euler region and also over a comparatively short length scale giving rise to the Burgers equation; small amplitude instabilities are studied through the derivation of the KdV equation. Following on from these mostly two-dimensional treatments, three-dimensional systems are then studied. Consideration is given to the secondary flow effects driven by the tortuosity of a vessel in three dimensions. We study cases of three-dimensional constriction, with main interest in the effects of benign prostate hyperplasia or urethral stricture on the flow, where pressure drops are demonstrated. Finally an appendix deals with the effects concerned with a wide population, focusing on an allied problem of consumer choice.
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Rodeia, José Pedro dos Santos. "Analysis and recognition of similar environmental sounds." Master's thesis, FCT - UNL, 2009. http://hdl.handle.net/10362/2305.
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Dissertação apresentada na Faculdade de Ciências e Tecnologia da Universidade Nova de Lisboa para obtenção do grau de Mestre em Engenharia Informática<br>Humans have the ability to identify sound sources just by hearing a sound. Adapting the same problem to computers is called (automatic) sound recognition. Several sound recognizers have been developed throughout the years. The accuracy provided by these recognizers is influenced by the features they use and the classification method implemented. While there are many approaches in sound feature extraction and in sound classification, most have been used to classify sounds with very different characteristics.
Here, we implemented a similar sound recognizer. This recognizer uses sounds with very similar properties making the recognition process harder. Therefore, we will use both temporal and spectral properties of the sound. These properties will be extracted using the Intrinsic Structures Analysis (ISA) method, which uses Independent Component Analysis and Principal Component Analysis. We will implement the classification method based on k-Nearest Neighbor algorithm.
Here we prove that the features extracted in this way are powerful in sound recognition. We tested our recognizer with several sets of features the ISA method retrieves, and achieved great results. We, finally, did a user study to compare human performance distinguishing similar sounds against our recognizer. The study allowed us to conclude the sounds are in fact really similar and difficult to distinguish and that our recognizer has much more ability than humans to identify them.
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Roth, Axel. "Self-similar solution for a fractal drum." Thesis, University of Sussex, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.263164.
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Simons, Raymond C., Susan A. Kassin, Jonathan R. Trump, et al. "KINEMATIC DOWNSIZING AT z similar to 2." IOP PUBLISHING LTD, 2016. http://hdl.handle.net/10150/624072.
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We present results from a survey of the internal kinematics of 49 star-forming galaxies at z similar to 2 in the CANDELS fields with the Keck/MOSFIRE spectrograph, Survey in the near-Infrared of Galaxies with Multiple position Angles (SIGMA). Kinematics (rotation velocity V-rot and gas velocity dispersion sg) are measured from nebular emission lines which trace the hot ionized gas surrounding star-forming regions. We find that by z similar to 2, massive star-forming galaxies (log M-*/M-circle dot less than or similar to 10.2) have assembled primitive disks: their kinematics are dominated by rotation, they are consistent with a marginally stable disk model, and they form a Tully-Fisher relation. These massive galaxies have values of V-rot sg that are factors of 2-5 lower than local well-ordered galaxies at similar masses. Such results are consistent with findings by other studies. We find that low-mass galaxies (log M-*/M-circle dot less than or similar to 10.2) at this epoch are still in the early stages of disk assembly: their kinematics are often dominated by gas velocity dispersion and they fall from the Tully-Fisher relation to significantly low values of V-rot. This "kinematic downsizing" implies that the process(es) responsible for disrupting disks at z similar to 2 have a stronger effect and/or are more active in low-mass systems. In conclusion, we find that the period of rapid stellar mass growth at z similar to 2 is coincident with the nascent assembly of low-mass disks and the assembly and settling of high-mass disks.
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Kahl, Jonathan Taylor. "Can prosopagnosics discriminate similar, non-face objects?" [Ames, Iowa : Iowa State University], 2008.
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Eriksson, Therése, and Abdelnaeim Mohamed Mahmoud. "Waveform clustering - Grouping similar power system events." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-44147.
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Over the last decade, data has become a highly valuable resource. Electrical power grids deal with large quantities of data, and continuously collect this for analytical purposes. Anomalies that occur within this data is important to identify since they could cause nonoptimal performance within the substations, or in worse cases damage to the substations themselves. However, large datasets in the order of millions are hard or even impossible to gain a reasonable overview of the data manually. When collecting data from electrical power grids, predefined triggering criteria are often used to indicate that an event has occurred within the specific system. This makes it difficult to search for events that are unknown to the operator of the deployed acquisition system. Clustering, an unsupervised machine learning method, can be utilised for fault prediction within systems generating large amounts of multivariate time-series data without labels and can group data more efficiently and without the bias of a human operator. A large number of clustering techniques exist, as well as methods for extracting information from the data itself, and identification of these was of utmost importance. This thesis work presents a study of the methods involved in the creation of such a clustering system which is suitable for the specific type of data. The objective of the study was to identify methods that enables finding the underlying structures of the data and cluster the data based on these. The signals were split into multiple frequency sub-bands and from these features could be extracted and evaluated. Using suitable combinations of features the data was clustered with two different clustering algorithms, CLARA and CLARANS, and evaluated with established quality analysis methods. The results indicate that CLARA performed overall best on all the tested feature sets. The formed clusters hold valuable information such as indications of unknown events within the system, and if similar events are clustered together this can assist a human operator further to investigate the importance of the clusters themselves. A further conclusion from the results is that research into the use of more optimised clustering algorithms is necessary so that expansion into larger datasets can be considered.
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Oliemskoi, Oleksandr Ivanovych, Александр Иванович Олемской, Олександр Іванович Олємской, et al. "Non-extensivity parameter of self-similar statistical system." Thesis, Вид-во СумДУ, 2008. http://essuir.sumdu.edu.ua/handle/123456789/3964.
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Bayly, Mark. "Tracing similar paths : Blairism and the Labour Party /." Title page, abstract and contents only, 1999. http://web4.library.adelaide.edu.au/theses/09AR/09arb359.pdf.
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Elbegbayan, Norzima. "Reflection on Shared Experiences - Evaluation of Similar Applications." Thesis, Linköpings universitet, Institutionen för teknik och naturvetenskap, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-97147.
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Most of the people attending a conference or workshop experience problems in meeting the right people to discuss their ideas due to reasons such as sociality, prejudice and inadequate experience etc. This thesis project aims to make a beforehand and empirical research for an online interactive tool that enables people communicate and share their thoughts and reactions on a shared event despite community size and geographic distribution. Exist- ing online mass interaction systems and tools are evaluated, and potential users and organizers are interviewed. Following the functional requirement architecture, a design prototype is outlined brie°y. An original idea of a matchmaking tool/module of the system will be introduced with aspect of Natural Language Processing.
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Ghosh, Natasha. "Discrimination of perceptually similar natural categories by pigeons." Thesis, University of Exeter, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.392783.
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Arvidsson, Sofia, and Theodor Tolstoy. "Internetbokhandelns rekommendationssystem : en undersökning av Amazon.coms Similar Items." Thesis, Högskolan i Borås, Institutionen Biblioteks- och informationsvetenskap / Bibliotekshögskolan, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:hb:diva-17510.
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The aim of this thesis is to examine one part of Amazon.coms recommender systems: Similar Items. The purpose is also to show the difficulties with subject access, i. e. to find a similar book to the one you just read; problems with traditional systems versus the usefulness with recommender systems like Amazon.coms Similar Items. Similar Items presents a set, a cluster of related items to a given item based on customers co-purchase. The questions examined are: How connected are the created clusters of related similar items? How common is it that the author of the seed origin book is also the author of the books in the cluster? What kind of other connections are there in the cluster? How common is it that the similar items in the cluster have the same Browse Node category as its seed? In a more qualitative study of 10 books and their similar items; how similar are they? The study consists of a quantitative study of similarities between items and their similar items in 4 iterations and a qualitative study of 10 books. The data collection was extracted from two categories: African American and Russian. The results for the quantitative part show that the number of similar items that are related to the seed is decreasing after every iteration. At the first iteration the clusters are closely connected. The qualitative results show that the clusters have at least one or two common similarities to their seed or to each other. This concludes that Similar Items as a function could be an appropriate complement to a library online catalogue. With more possibilities of accessing fiction, users should have more success in searching for fiction.<br>Uppsatsnivå: D
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Pogreb, Sofya 1978. "Virtual communities : uniting Internet users with similar interests." Thesis, Massachusetts Institute of Technology, 2000. http://hdl.handle.net/1721.1/86637.
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Vladislav, Shchetin, Щетінін Владислав Олександрович, Щетинин Владислав Александрович, Болотов Григорій Іванович, Болотов Григорий Иванович, and Bolotov Grigoriy. "Houses similar in scope for psycho different person." Thesis, НАУ, 2016. http://er.nau.edu.ua/handle/NAU/24676.
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The paper discusses the questions of the houses similar in scope for psycho different person. The study is based on the use of different figurative aesthetic techniques, planning and performance color and decoration of the design of residential buildings similar in scope answering basic human psycho significantly expands their subsequent distribution.
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Venkatakrishnan, Subashini. "Information Theoretic Methodology For Retrieving Similar GIS Rasters." University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1416233818.
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Ali, Khaled Yousif. "Friction Stir Welding Between Similar and Dissimilar Materials." Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1513857047779233.
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Testa, Carla Giordani. "Desenvolvimento de medicamento similar de olanzapina comprimidos revestidos." reponame:Repositório Institucional da FIOCRUZ, 2014. https://www.arca.fiocruz.br/handle/icict/13010.
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Previous issue date: 2014<br>Fundação Oswaldo Cruz. Instituto de Tecnologia em Fármacos/Farmanguinhos. Rio de Janeiro, RJ, Brasil.<br>A olanzapina é um fármaco antipsicótico de segunda geração indicada no tratamento da esquizofrenia e do transtorno bipolar. O fármaco pode ser cristalizado em mais de 25 formas diferentes: três anidras (I, II e III), três polimorfos diidratados (B, D e E), um hidrato maior, além de inúmeros solvatos. A olanzapina é uma base fraca, com solubilidade dependente de pH, sendo solúvel em soluções ácidas e pouco solúvel em meio básico. O fármaco pertence à classe II do Sistema de Classificação Biofarmacêutica. Em função de suas características de cristalinidade e solubilidade, lotes de olanzapina de três fabricantes diferentes foram caracterizados quanto às suas propriedades físico-químicas, com o objetivo de subsidiar o desenvolvimento de um medicamento similar de comprimidos revestidos de olanzapina. Além dos ensaios previstos na monografia da matéria-prima na Farmacopéia Americana (USP, 2013), as amostras foram analisadas por difração de raios X, espectroscopia no infravermelho, análise térmica, microscopia, difração de LASER e estudos de solubilidade e dissolução. Os resultados obtidos indicam que as amostras avaliadas são compostas de misturas dos polimorfos anidros I e II da olanzapina. Os lotes também apresentaram diferentes distribuições de tamanho de partículas. No entanto, as diferenças na granulometria e cristalinidade não corresponderam a diferenças significativas na solubilidade e dissolução das amostras em diferentes meios com pH na faixa fisiológica. A partir dos resultados dos estudos de pré-formulação, foram propostas formulações por compressão direta para o medicamento olanzapina comprimidos revestidos na concentração de 10 mg. As formulações foram avaliadas quanto à conformidade com os ensaios previstos em compêndios oficiais e quanto à similaridade dos perfis de dissolução in vitro com os perfis obtidos para o medicamento referência no mercado nacional. Os resultados obtidos demonstram a equivalência das formulações testadas com as amostras dos diferentes fabricantes em relação ao medicamento referência, nos meios de dissolução com pH entre 1,2 a 6,8.<br>Olanzapine is a second generation antipsychotic drug indicated for the treatment of
schizophrenia and bipolar disorder. The drug crystallizes in more than 25 different forms:
three anhydrates (I, II and III ), three polymorphic dihydrates (B, D , and E), a higher hydrate and numerous solvates . Olanzapine is a weak base with pH dependent solubility and is
soluble in acidic solutions and slightly soluble in basic medium. The drug belongs to the class II of the Biopharmaceutical Classification System. Due to its characteristics of crystallinity and solubility, three lots of olanzapine from different manufacturers were evaluated according to their physicochemical properties, with the aim of supporting the development of similar drug olanzapine coated tablets. In addition to the tests described in the monograph of raw material in the United States Pharmacopoeia (USP, 2013), the samples were analyzed by X ray diffraction, infrared spectroscopy, thermal analysis, microscopy, LASER diffraction and solubility and dissolution studies. The results indicate the samples tested are composed of mixtures of the anhydrous polymorphs I and II of olanzapine. The lots also had different particle size distributions. However, differences in crystallinity and particle size does not
correspond to differences in the solubility and dissolution of the samples in different media in the physiological pH range. Considering the results of the preformulation studies, direct
compression formulation for coated tablets of olanzapine 10 mg were proposed. The formulations were evaluated for compliance with the tests described in official compendia and
the similarity of the in vitro dissolution profiles with the profiles obtained for the reference product in the Brazilian Market. The results obtained demonstrate the equivalence of the formulations tested with samples from different manufacturers in relation to the reference drug in dissolution media with pH between 1.2 to 6.8.
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Svensson, Bror-Erik, and Tobias Westermark. "Car similar user-interface : for simulation models in CANoe." Thesis, University West, Department of Technology, 2002. http://urn.kb.se/resolve?urn=urn:nbn:se:hv:diva-368.
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Rensink, Ronald Andy. "On the visual discrimination of self-similar random textures." Thesis, University of British Columbia, 1986. http://hdl.handle.net/2429/26059.
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This work investigates the ability of the human visual system to discriminate self-similar Gaussian random textures. The power spectra of such textures are similar to themselves when rescaled by some factor h > 1. As such, these textures provide a natural domain for testing the hypothesis that texture perception is based on a set of spatial-frequency channels characterized by filters of similar shape.
Some general properties of self-similar random textures are developed. In particular, the relations between their covariance functions and power spectra are established, and are used to show that many self-similar random textures are stochastic fractals. These relations also lead to a simple texture-generation algorithm that allows independent and orthogonal variation of several properties of interest.
Several sets of psychophysical experiments are carried out to determine the statistical properties governing the discrimination of self-similar line textures. Results show that both the similarity parameter H and the scaling ratio h influence discriminability. These two quantities, however, are insufficient to completely characterize perceived texture.
The ability of the visual system to discriminate between various classes of self-similar random texture is analyzed using a simple multichannel model of texture perception. The empirical results are found to be compatible with the hypothesis that texture perception is mediated by the set of spatial-frequency channels putatively involved in form vision.<br>Science, Faculty of<br>Computer Science, Department of<br>Graduate
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Le, Delliou Morgan. "Self-similar infall models for cold dark matter haloes." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2002. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp05/NQ63431.pdf.
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Aburihan, Mahmoud. "Time-dependent self-similar star formation and collapse models." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk1/tape9/PQDD_0002/MQ42578.pdf.
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Jones, Sian K. "On the enumeration of sudoku and similar combinatorial structures." Thesis, University of South Wales, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541662.
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Karpenko, Daria. "Self-assembly of Self-similar Structures by Active Tiles." Scholar Commons, 2012. http://scholarcommons.usf.edu/etd/4095.
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The natural capacity of DNA for molecular self-assembly has already been exploited to create DNA based tiles which can self-assemble into nano-scale arrays and carry out nano-scale computation. Thus far, however, all such self-assembly has been passive, in the sense that the binding capacities of a tile are never altered throughout the assembly. The idea of active tiles, tiles that can send signals to each other and activate latent binding sites, has been proposed but never incorporated into a formal model. Here, I present an extension of the existent abstract tile assembly model by defining an active tile assembly and give a detailed example of an aperiodic set of active tiles which hierarchically produces a self-similar L-shape tiling. This yields a technique utilizing active tiles for the assembly of aperiodic self-similar shapes.
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Larijani, Hadi A. "Performance evaluation of Ethernet LAN with self-similar traffic." Thesis, Heriot-Watt University, 2006. http://hdl.handle.net/10399/131.
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Joshi, Hrishikesh S. "Finding similar questions in large-scale community QA forums." Thesis, Massachusetts Institute of Technology, 2016. http://hdl.handle.net/1721.1/106118.
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Thesis: M. Eng., Massachusetts Institute of Technology, Department of Electrical Engineering and Computer Science, 2016.<br>Cataloged from PDF version of thesis.<br>Includes bibliographical references (pages 47-51).<br>Question answering forums are rapidly growing in size with no automated ability to refer to and reuse existing answers. In this paper, we develop a methodology for finding semantically related questions. The task is difficult since 1) key pieces of information are often buried in extraneous details in the question body and 2) available annotations are scarce and fragmented, driven largely by participants. We design a novel combination of recurrent and convolutional models (gated convolutions) to effectively map questions to their semantic representations. The models are pre-trained within an encoder-decoder framework (from body to title) on the basis of the entire raw corpus, and fine-tuned discriminatively from limited annotations. Our evaluation demonstrates that our model yields a 10% gain over a standard IR baseline, and a 6% gain over standard neural network architectures (including CNNs and LSTMs) trained analogously.<br>by Hrishikesh S. Joshi.<br>M. Eng.
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Aylwin, Andrew. "Self-similar Markov processes and the time inversion property." Thesis, University of Warwick, 2017. http://wrap.warwick.ac.uk/89474/.
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The objective of this thesis is to further the understanding of the time inversion property for self-similar Markov processes. In particular, we focus upon seeking a full characterisation of the class of processes that enjoy the time inversion property. The first chapter in this thesis is a review of current literature in the areas that we use in the sequel. Chapter 2 provides a full characterisation of processes enjoying the time inversion property on R up to certain restrictions. Namely, we show that on R+, the only processes that enjoy the time inversion property are Bessel processes in the wide sense. Extending this characterisation to R, we show that we are necessarily restricted to variations of Bessel and Dunkl processes. We then give an expression of the semigroup density that all processes with the time inversion property must satisfy. In Chapter 3, we extend some of these results to Rn. We provide a restriction on the jump measure of processes with the time inversion property and show that ^ρ(Rt) is necessarily a Bessel process for a process Rt with the time inversion property and a defined function ^ρ. Finally, Chapter 4 extends the work of Vuolle-Apiala [2012] on the skew product representation and presents a methodology by which one can construct examples of processes with the time inversion property. This leads to several examples of particular interest.
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Heldenfels, Richard D. "Mark Twain and Henry James: Different Americans, Similar Journeys." University of Akron / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=akron1302543053.
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Callaghan, John. "Slavery and Major Power Warfare: Similar Paths to Obsolescence?" University of Cincinnati / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1291051347.
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Hill, Diane Skillicorn. "Similar but Different: The Complexities of Students' Mathematical Identities." Diss., CLICK HERE for online access, 2008. http://contentdm.lib.byu.edu/ETD/image/etd2304.pdf.
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Yang, Cheng-Yi, and 楊承逸. "Detection of Similar Webpages." Thesis, 2003. http://ndltd.ncl.edu.tw/handle/64392912161078878790.
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碩士<br>國立中正大學<br>資訊工程研究所<br>91<br>Because of the rapid development of Internet and the popularity of digital storage media, World Wide Web has become a large digital document database. It contains a variety of information.
Although there are a lot of information in World Wide Web, the quality of documents are not consistent. The existence of a lot of similar webpages makes the information duplicate. In this paper we try to detect the similarity between the chinese Big-5 webpages, and find out which webpages are similar.
This paper finds the related webpages in search engine by their chinese keywords, then compute their relativity. And using the line-based approach to detect the highly similarity webpages on the side.
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施柏先. "The Efficient Top-k Similar Processing Method for Similar Search on Social Tagging System." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/90691109510502354940.
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碩士<br>國立臺灣師範大學<br>資訊工程學系<br>101<br>This thesis mainly aims to provide an efficient similar search system for tag sets on the social tagging system. We use a multi-level index structure to construct an index on the tag sets of the objects. We can estimate the upper/lower bound of the distance value between a given query tag set and the tag sets of a group of objects according to the information maintained in the index structure, which can be used to improve the efficiency of searching by applying the pruning strategies. According to the property of this index structure, we design the Jaccard distance and Overlap distance measure function for evaluating the similarity distance betwen two tag sets. Then the modified distance measure functions and the upper/lower bound estimating methods corresponding to the specific distance measure functions are proposed. The experimental results show that the effectiveness on similarity searches of the proposed distance measure functions. We also proposes an efficient top-k similar search algorithm based on the index structure. Users only need to give the number of required search results, k, the system could find the top-k most similar objects with the query tag set. The experimental results show that, in most test cases, the proposed algorithm performs better in efficiency than the baseline method.
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Groth, Thorsten. "Equations in Self-Similar Groups." Doctoral thesis, 2018. http://hdl.handle.net/11858/00-1735-0000-002E-E358-7.
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Hsin, Ching-I., and 辛靜宜. "Operators similar to irreducible ones." Thesis, 1999. http://ndltd.ncl.edu.tw/handle/53932658479393931953.
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博士<br>國立交通大學<br>應用數學系<br>87<br>In this thesis, we consider Hilbert space operators which are similar to irreducible ones.
In the finite-dimentional case, we obtain the necessary and sufficient conditions for a complex square matrix $T$ to be similar to an irreducible one. We prove that (1) a $2\times 2$ matrix $T$ is similar to an irreducible matrix if and only if $T$ is not a scalar, and (2) an $n\times n$ ($n\geq 3$) matrix $T$ is similar to an irreducible matrix if and only if
$T$ is not quadratic and rank $(T-\lambda I)\geq \dis\frac{n}{2}$ for any complex number $\lambda$.
In the infinite-dimentional case, we prove an analogous result for weighted (unilateral or bilateral) shifts and quasinormal operators. Indeed, a weighted (unilateral or bilateral) shift or a quasinormal operator $T$ is similar to an irreducible operator if and only if $T$ is not quadratic and
$T-\lambda I$ is not finite-rank for any complex number $\lambda$. It is obvious that the result is compatible with the ones in the finite-dimensional case and also with the work of C.K. Fong and C.L. Jiang on normal operators [8].
Finally, we consider $C_0$ contractions. Using the Jordan model of such operators, we prove that a $C_0$ contraction $T$ is quasisimilar to an irreducible operator if and only if $T$ is not quadratic and $T-\lambda I$ is not finite-rank for any complex number $\lambda$.
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Diebold, Daniel Alan. "Near wake self-similar phenomena." 1987. http://catalog.hathitrust.org/api/volumes/oclc/15650988.html.
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Lin, Chien-Chih, and 林建志. "Analysis of Similar Figures Teaching." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/2bmg95.
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碩士<br>中原大學<br>應用數學研究所<br>106<br>This thesis is mainly to do some math research on the similarity of the fifth volume of mathematics textbooks in the country, which refers to the editions of the Nani Bookstore’s and the Kang Hsuan Bookstore’s and complements the theories they have omitted. For one example, the reverse proof of parallel line cuts the triangle in proportional segments or in two triangles of the SSA case, you can make the two triangles similar under certain conditions, and to determine the quadrilateral similar graphics, what conditions must be added? Another example is the extension theorem beyond the similar unit, such as Menelaus’ theorem and Ceva’s theorem. Meanwhile, some common natures and a few examples are inserted into, so that students can get more familiar with the application of similar shape and its own meaning. Among them are right triangle altitude theorem and angle bisector theorem, and so on, in the hope that students are able to acquire an overall and complete understanding when learning the units.
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Huang, Jing-Duen, and 黃勁惇. "Where Are Similar Views?Image Geo-Localization of Similar Views by Ground-to-Aerial Semantic Transfer." Thesis, 2018. http://ndltd.ncl.edu.tw/handle/awymw2.
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碩士<br>國立臺灣海洋大學<br>資訊工程學系<br>106<br>Finding possible locations, where there are views similar to a given photo, is an application of the image-based geo-localization technology. In this paper, those locations are first identified throughthegeo-tagsoftheground-levelreferenceimagessimilartotheground-levelqueryimage. For other areas, a ground-to-aerial cross-view approach is applied. A Gaussian mixture modelandaneuralnetworkaretrainedfordeterminingifanaerialimageisapossibleoverhead viewofaground-levelimage. Geo-tagsandtechniquesofground-to-aerialsemantictransferare used to pair each ground-level image and an aerial image to form the training sample for the proposed neural network. Aerial images dissimilar to those in the training set thus have little implicational ground-level information. The Gaussian mixture model is used to filter out such aerial images for the proposed neural network. The proposed method has been implemented on 509,921 geo-taggedaerialimagesand 240,872 geo-taggedground-levelimagesretrievedby Google APIs. Experimental results on three city-scale regions have shown the feasibility of the proposedmethod.
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Smith, Geneviève Kathleen. "The coexistence of ecologically similar species." 2013. http://hdl.handle.net/2152/23186.
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The biological diversity on planet Earth is astounding. Understanding the origins of this diversity, and how it is maintained, are the twin goals of ecology and evolutionary biology. An early and oft-repeated insight in this investigation is that that similar organisms cannot coexist indefinitely. Theory predicts that individuals and species will compete for limited resources and whichever has even a slight advantage will drive all others extinct in a process known as ‘competitive exclusion’. By diversifying, species avoid competition, thereby ‘stabilizing’ their coexistence. Yet natural systems often display levels of diversity that are surprisingly high, given this theory and investigations of how the similarity of coexisting species is maintained have received much less attention. Using a combination of field studies and experiments I demonstrate that highly similar species of freshwater amphipods may compete for resources without resulting in competitive exclusion. These findings suggest that there exist a range of interactions among Hyalella amphipods, ranging from strong stabilizing effects due to ecological trade-offs, to weakly stabilizing effects, to a total lack of stabilizing effects among various pairs of species in this system. These findings demonstrate how the relative strength of stabilizing forces may vary among coexisting species.
Although much effort has been dedicated to enumerating and classifying the ways in which ecological and evolutionary forces promote diversity among species, there has been far less attention paid to mechanisms such as convergent evolution, habitat filtering, competition for non-substitutable resources, and non-ecological speciation, among others. I surveyed current theory that may explain the high levels of similarity among species often found in natural systems. I describe how several ecological and evolutionary mechanisms may operate to promote the coexistence of similar species and present results from new theoretical combinations of mechanisms to demonstrate how they may further act in concert with one another.<br>text
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"Fractal analysis of self-similar groups." 2012. http://library.cuhk.edu.hk/record=b5549113.
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分形分析的主題是研究分形上的Dirichlet形式和Laplacian. 壓縮的自相似群有一個與之關聯的極限空間,此空間通常具備分形結構，因而引發了分形分析和自相似群兩個分支的結合.<br>我們回顧了自相似群和它們的極限空間極限空間可以用Schreier 圖來逼近,事實上其可以看成由Schreier圖構造出來的雙曲圖的雙曲邊界.我們探究了迭代單值群. 通過增加專門的條件我們可以得到迭代單值群的極限空間同胚於某個Julia集.<br>通過運用[31] 中的想法和[47] 中自相似隨機游動的方法，我們闡明了極限空間上Laplacian和Dirichlet形式的構造步驟我們介紹了加法器， Basilica群以及Hanoi塔群的極限空間(在第三種情況下是Sierpiríski墊片)上的Laplacian 這裡得到的Dirichlet形式是局部且正則的.<br>通過採用[53] 的設置, 我們描述了加法器的極限空間上的誘發型Dirichlet形式在構造了加法器的自相似圖上的嚴格可逆隨機游動後，我們可以得到一個非局部的Dirichlet形式.<br>The major theme of fractal analysis is studying Dirichlet forms and Laplacians on fractals. For a contracting self-similar group there is an associated limit space, which usually exhibits a fractal structure, thereby triggering the combination of fractal analysis and self-similar groups.<br>We give reviews of self-similar groups and their limit spaces. Limit space can be approximated by Schreier graphs, and it is in fact identied as a hyperbolic boundary of a hyperbolic graph constructed from Schreier graphs. We explore the iterated monodromy groups. By adding technical conditions, we have that the limit space of an iterated monodromy group is homeomorphic to a Julia set.<br>We show the construction process of Laplacians and Dirichlet forms on limit spaces using the idea of [31] and the method of self-similar random walks from [47]. We present examples of Laplacians of the limit spaces of adding machine, the Basilica group and the Hanoi Tower group (it is Sierpi´nski gasket in this case). In this context these forms are local and regular.<br>We describe the induced Dirichlet forms on limit space of the adding machine by adopting the settings of [53] . By constructing strictly reversible random walks on self-similarity graph of the adding machine, we can obtain a non-local Dirichlet form.<br>Detailed summary in vernacular field only.<br>Detailed summary in vernacular field only.<br>Detailed summary in vernacular field only.<br>Detailed summary in vernacular field only.<br>Lin, Dateng.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 2012.<br>Includes bibliographical references (leaves 71-76).<br>Abstracts also in Chinese.<br>Chapter 1 --- Introduction --- p.6<br>Chapter 1.1 --- Review of fractal analysis --- p.6<br>Chapter 1.2 --- Applications to self-similar groups --- p.7<br>Chapter 1.3 --- Boundary theory method --- p.8<br>Chapter 1.4 --- Summary of the thesis --- p.9<br>Chapter 2 --- Self-similar groups --- p.11<br>Chapter 2.1 --- Basic definitions --- p.11<br>Chapter 2.2 --- Limit spaces of self-similar groups --- p.18<br>Chapter 2.3 --- Schreier graphs approximations --- p.24<br>Chapter 2.4 --- Iterated monodromy groups --- p.28<br>Chapter 3 --- Construction of Laplacians on limit spaces --- p.35<br>Chapter 3.1 --- Dirichlet forms, Laplacians and resistance forms --- p.35<br>Chapter 3.2 --- Representations of groups and functions --- p.42<br>Chapter 3.3 --- Laplacians on limit spaces --- p.45<br>Chapter 4 --- Induced Dirichlet form on limit space of the adding machine --- p.53<br>Chapter 4.1 --- Martin boundary and hyperbolic boundary --- p.53<br>Chapter 4.2 --- Graph energy and the induced form --- p.62<br>Chapter 4.3 --- Induced Dirichlet form of the adding machine --- p.65<br>Bibliography --- p.71
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"Self-similar sets and Martin boundaries." Thesis, 2008. http://library.cuhk.edu.hk/record=b6074537.
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In [DS1,2,3], Denker and Sato initiated a new point of view to study the problem. They identified the Sierpinski gasket as a Martin boundary of some canonical Markov chain and used the associated theory to consider the problem. In this thesis, we will extend their result so as to be applicable to all single-point connected monocyclic post critically finite (m.p.c.f.) self-similar sets.<br>In the first chapter, we review some basic facts of the self-similar sets and the Martin boundaries, and we prove that every m.p.c.f. self-similar set K is homeomorphic to the quotient space of the symbolic space associated with K, moreover, the homeomorphism is a Lipschitz equivalence for some special m.p.c.f. self-similar sets.<br>In the second chapter, we first prove that the quotient space of the symbolic space associated with K is homeomorphic to the Martin boundary with respect to the state space associated with K if K is a single-point connected m.p.c.f. self-similar set. Combining this result and the result in the first chapter, we conclude that every single-point connected m.p.c.f. self-similar set can be identified with the Martin boundary of some canonical Markov chain. Then for the 3-level Sierpinski gasket, we prove that there exists a one to one relation between the strongly P-harmonic functions on the 3 state space and K-harmonic functions constructed by Kigami.<br>In the third chapter, we define a new Markov chain on the pentagasket K which is a single-point connected m.p.c.f. self-similar also. Under the new Markov chain, we prove that K can be identified with the Martin boundary of the new Markov chain and that there exists a one to one relation between the strongly P-harmonic functions and the K-harmonic functions.<br>One of the fundamental problems in fractal analysis is to construct a Laplacian on fractals. Since fractals, like the Sierpinski gasket and the pentagasket, do not have any smooth structures, it is not possible to construct it from the classical point of view. Hence, until now there is no systematic way to define such a notion on the general class of fractals.<br>There are two approaches for the problem which have achieved some success in certain special situations. The first one is a probabilistic approach via constructing Brownian motions on self-similar sets. The second approach is an analytical one proposed by Kigami. He approximated the underlying self-similar set K by an increasing sequence of finite sets equipped with the discrete Laplacians Hm in a consistent way. He showed that if K is strongly symmetric, then Hm converge to a Laplacian on K.<br>by Ju, Hongbing.<br>"March 2008."<br>Adviser: Lau Ka Sing.<br>Source: Dissertation Abstracts International, Volume: 70-03, Section: B, page: 1702.<br>Thesis (Ph.D.)--Chinese University of Hong Kong, 2008.<br>Includes bibliographical references (p. 91-94).<br>Electronic reproduction. Hong Kong : Chinese University of Hong Kong, [2012] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Electronic reproduction. [Ann Arbor, MI] : ProQuest Information and Learning, [200-] System requirements: Adobe Acrobat Reader. Available via World Wide Web.<br>Abstracts in English and Chinese.<br>School code: 1307.