Дисертації з теми "Structured World Model"
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Hildebrand, Thomas. "Two-sided markets in the online world." Doctoral thesis, Humboldt-Universität zu Berlin, Wirtschaftswissenschaftliche Fakultät, 2011. http://dx.doi.org/10.18452/16339.
Повний текст джерелаThis dissertation investigates various aspects of two-sided markets - markets with at least two distinct user groups each of which exerts inter-group network effects on the other side - in the online world. In the first paper, I examine the interactions between the traditional (offline) demand channels and the new (online) demand channels in the German magazines industry, focusing in particular on the link between offline and online advertising. I find that offline and online advertising are substitutes although not perfect ones. This explains the shift from offline to online advertising observed in recent years. In the second paper, I develop a semi-structural approach to identify network effects on two-sided monopoly platforms without data on prices and quantities. A sufficient test for the existence of network effects is derived when only data on total revenue is available. If separate revenue data is available on the two sides, then the test is both necessary and sufficient. The third paper investigates the certification mechanisms and incentives that enable lending markets to match demand and supply despite the absence of financial intermediaries with skin in the game. The institutional setting for this analysis is the online social lending market, in which potential lenders and borrowers interact directly without a financial intermediary but can create self-organized groups instead. A difference-in-difference approach is used to examine how the same groups behave before and after the exogenously imposed elimination of rewards for the leaders of these groups. Allowing group leader rewards is found to be detrimental for the market outcome. Group leaders become more careful in screening after the elimination of these rewards, and if their loan participation is high, i.e. when they have skin in the game and are thus severely hurt by a borrower default.
Hwang, Yuan-Chun. "Local and personalised models for prediction, classification and knowledge discovery on real world data modelling problems." Click here to access this resource online, 2009. http://hdl.handle.net/10292/776.
Повний текст джерелаHoy, Janet M. "Outcomes and Incomes: Implementing a Mental Health Recovery Measure in a Medical Model World." online version, 2008. http://rave.ohiolink.edu/etdc/view.cgi?acc%5Fnum=case1207019285.
Повний текст джерелаWang, Ming. "Scale modeling of structural behavior in fire." College Park, Md. : University of Maryland, 2006. http://hdl.handle.net/1903/3841.
Повний текст джерелаDanchev, Valentin. "Spatial network structures of world migration : heterogeneity of global and local connectivity." Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:81704dfc-4221-4ef4-81cf-35d89dfc364a.
Повний текст джерелаTangen, Alyssa. "The Impacts of Expected Structural Changes in Demand for Agricultural Commodities in China and India on World Agriculture." Thesis, North Dakota State University, 2009. https://hdl.handle.net/10365/29866.
Повний текст джерелаGoto, Isao. "Word Reordering for Statistical Machine Translation via Modeling Structural Differences between Languages." 京都大学 (Kyoto University), 2014. http://hdl.handle.net/2433/189374.
Повний текст джерелаKyoto University (京都大学)
0048
新制・課程博士
博士(情報学)
甲第18481号
情博第532号
新制||情||94(附属図書館)
31359
京都大学大学院情報学研究科知能情報学専攻
(主査)教授 黒橋 禎夫, 教授 田中 克己, 教授 河原 達也
学位規則第4条第1項該当
Jowsey, Allan. "Fire imposed heat fluxes for structural analysis." Thesis, University of Edinburgh, 2006. http://hdl.handle.net/1842/1480.
Повний текст джерелаBerger, Nicholas. "Modelling structural and policy changes in the world wine market into the 21st century." Title page, contents and abstract only, 2000. http://web4.library.adelaide.edu.au/theses/09ECM/09ecmb496.pdf.
Повний текст джерелаNusair, Khaldoon A. "A model of commitment in B-to-C travel context a structural equation modeling /." Columbus, Ohio : Ohio State University, 2007. http://rave.ohiolink.edu/etdc/view?acc%5Fnum=osu1180541376.
Повний текст джерелаPoonyth, Daneswar. "A structural econometric model of the European sugar sector and the potential implications of the GATT/WTO /." free to MU campus, to others for purchase, 1998. http://wwwlib.umi.com/cr/mo/fullcit?p9924914.
Повний текст джерелаPack, Derik Leroi. "Rethinking the web structure focusing on events to create better information and experience management /." Thesis, Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-07092004-011223/unrestricted/pack%5Fderik%5Fl%5F200407%5Fmasters.pdf.
Повний текст джерелаRamesh Jain, Committee Chair ; Linda Wills, Committee Member ; Jim McClellan@ece.gatech.edu, Committee Member. Vita. Includes bibliographical references.
Erkan, Ismail. "The influence of electronic word of mouth in social media on consumers' purchase intentions." Thesis, Brunel University, 2016. http://bura.brunel.ac.uk/handle/2438/12972.
Повний текст джерелаMcLean, Nina Margaret. "Life in a changing world: climate change impacts on common European birds." Phd thesis, Canberra, ACT : The Australian National University, 2018. http://hdl.handle.net/1885/143430.
Повний текст джерелаAlboqami, Hassan Abdullah. "Investigating the factors affecting customers' trust and acceptance of online banking : the case of Saudi Arabia." Thesis, Brunel University, 2018. http://bura.brunel.ac.uk/handle/2438/17127.
Повний текст джерелаNguyen, Anh-Dung. "Contributions to modeling, structural analysis, and routing performance in dynamic networks." Phd thesis, Toulouse, INPT, 2013. http://oatao.univ-toulouse.fr/9725/1/nguyen.pdf.
Повний текст джерелаNguyen, Anh Dung. "Contributions to Modeling, Structural Analysis, and Routing Performance in Dynamic Networks." Phd thesis, Institut National Polytechnique de Toulouse - INPT, 2013. http://tel.archives-ouvertes.fr/tel-00908502.
Повний текст джерелаBocanegra, Cheryl D. "Accent and Grouping Structures in the String Quartets of Béla Bartók." Thesis, University of North Texas, 2001. https://digital.library.unt.edu/ark:/67531/metadc2820/.
Повний текст джерелаAmmari, Ahmad N. "Transforming user data into user value by novel mining techniques for extraction of web content, structure and usage patterns. The Development and Evaluation of New Web Mining Methods that enhance Information Retrieval and improve the Understanding of User¿s Web Behavior in Websites and Social Blogs." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5269.
Повний текст джерелаAmmari, Ahmad N. "Transforming user data into user value by novel mining techniques for extraction of web content, structure and usage patterns : the development and evaluation of new Web mining methods that enhance information retrieval and improve the understanding of users' Web behavior in websites and social blogs." Thesis, University of Bradford, 2010. http://hdl.handle.net/10454/5269.
Повний текст джерелаWestum, Asbjörg. "Ris, skäver och skärva : Folklig kategorisering av några barnsjukdomar ur ett kognitivt semantiskt perspektiv." Doctoral thesis, Umeå universitet, Litteraturvetenskap och nordiska språk, 1999. http://urn.kb.se/resolve?urn=urn:nbn:se:umu:diva-51634.
Повний текст джерелаdigitalisering@umu
Romeo, Lauren Michele. "The Structure of the lexicon in the task of the automatic acquisition of lexical information." Doctoral thesis, Universitat Pompeu Fabra, 2015. http://hdl.handle.net/10803/325420.
Повний текст джерелаLa información de clase semántica de los nombres es fundamental para una amplia variedad de tareas del procesamiento del lenguaje natural (PLN), como la traducción automática, la discriminación de referentes en tareas como la detección y el seguimiento de eventos, la búsqueda de respuestas, el reconocimiento y la clasificación de nombres de entidades, la construcción y ampliación automática de ontologías, la inferencia textual, etc. Una aproximación para resolver la construcción y el mantenimiento de los léxicos de gran cobertura que alimentan los sistemas de PNL, una tarea muy costosa y lenta, es la adquisición automática de información léxica, que consiste en la inducción de una clase semántica relacionada con una palabra en concreto a partir de datos de su distribución obtenidos de un corpus. Precisamente, por esta razón, se espera que la investigación actual sobre los métodos para la producción automática de léxicos de alta calidad, con gran cantidad de información y con anotación de clase como el trabajo que aquí presentamos, tenga un gran impacto en el rendimiento de la mayoría de las aplicaciones de PNL. En esta tesis, tratamos la adquisición automática de información léxica como un problema de clasificación. Con este propósito, adoptamos métodos de aprendizaje automático para generar un modelo que represente los datos de distribución vectorial que, basados en ejemplos conocidos, permitan hacer predicciones de otras palabras desconocidas. Las principales preguntas de investigación que planteamos en esta tesis son: (i) si los datos de corpus proporcionan suficiente información para construir representaciones de palabras de forma eficiente y que resulten en decisiones de clasificación precisas y sólidas, y (ii) si la adquisición automática puede gestionar, también, los nombres polisémicos. Para hacer frente a estos problemas, realizamos una serie de validaciones empíricas sobre nombres en inglés. Nuestros resultados confirman que la información obtenida a partir de la distribución de los datos de corpus es suficiente para adquirir automáticamente clases semánticas, como lo demuestra un valor-F global promedio de 0,80 aproximadamente utilizando varios modelos de recuento de contextos y en datos de corpus de distintos tamaños. No obstante, tanto el estado de la cuestión como los experimentos que realizamos destacaron una serie de retos para este tipo de modelos, que son reducir la escasez de datos del vector y dar cuenta de la polisemia nominal en las representaciones distribucionales de las palabras. En este contexto, los modelos de word embedding (WE) mantienen la “semántica” subyacente en las ocurrencias de un nombre en los datos de corpus asignándole un vector. Con esta elección, hemos sido capaces de superar el problema de la escasez de datos, como lo demuestra un valor-F general promedio de 0,91 para las clases semánticas de nombres de sentido único, a través de una combinación de la reducción de la dimensionalidad y de números reales. Además, las representaciones de WE obtuvieron un rendimiento superior en la gestión de las ocurrencias asimétricas de cada sentido de los nombres de tipo complejo polisémicos regulares en datos de corpus. Como resultado, hemos podido clasificar directamente esos nombres en su propia clase semántica con un valor-F global promedio de 0,85. La principal aportación de esta tesis consiste en una validación empírica de diferentes representaciones de distribución utilizadas para la clasificación semántica de nombres junto con una posterior expansión del trabajo anterior, lo que se traduce en recursos léxicos y conjuntos de datos innovadores que están disponibles de forma gratuita para su descarga y uso.
Lexical semantic class information for nouns is critical for a broad variety of Natural Language Processing (NLP) tasks including, but not limited to, machine translation, discrimination of referents in tasks such as event detection and tracking, question answering, named entity recognition and classification, automatic construction and extension of ontologies, textual inference, etc. One approach to solve the costly and time-consuming manual construction and maintenance of large-coverage lexica to feed NLP systems is the Automatic Acquisition of Lexical Information, which involves the induction of a semantic class related to a particular word from distributional data gathered within a corpus. This is precisely why current research on methods for the automatic production of high- quality information-rich class-annotated lexica, such as the work presented here, is expected to have a high impact on the performance of most NLP applications. In this thesis, we address the automatic acquisition of lexical information as a classification problem. For this reason, we adopt machine learning methods to generate a model representing vectorial distributional data which, grounded on known examples, allows for the predictions of other unknown words. The main research questions we investigate in this thesis are: (i) whether corpus data provides sufficient distributional information to build efficient word representations that result in accurate and robust classification decisions and (ii) whether automatic acquisition can handle also polysemous nouns. To tackle these problems, we conducted a number of empirical validations on English nouns. Our results confirmed that the distributional information obtained from corpus data is indeed sufficient to automatically acquire lexical semantic classes, demonstrated by an average overall F1-Score of almost 0.80 using diverse count-context models and on different sized corpus data. Nonetheless, both the State of the Art and the experiments we conducted highlighted a number of challenges of this type of model such as reducing vector sparsity and accounting for nominal polysemy in distributional word representations. In this context, Word Embeddings (WE) models maintain the “semantics” underlying the occurrences of a noun in corpus data by mapping it to a feature vector. With this choice, we were able to overcome the sparse data problem, demonstrated by an average overall F1-Score of 0.91 for single-sense lexical semantic noun classes, through a combination of reduced dimensionality and “real” numbers. In addition, the WE representations obtained a higher performance in handling the asymmetrical occurrences of each sense of regular polysemous complex-type nouns in corpus data. As a result, we were able to directly classify such nouns into their own lexical-semantic class with an average overall F1-Score of 0.85. The main contribution of this dissertation consists of an empirical validation of different distributional representations used for nominal lexical semantic classification along with a subsequent expansion of previous work, which results in novel lexical resources and data sets that have been made freely available for download and use.
Bergman, Ruth. "Learning World Models in Environments with Manifest Causal Structure." 1995. http://hdl.handle.net/1721.1/6777.
Повний текст джерелаNicholson, Patrick. "Space-Efficient Data Structures in the Word-RAM and Bitprobe Models." Thesis, 2013. http://hdl.handle.net/10012/7746.
Повний текст джерелаSantos, Diogo Alexandre da Silva. "Assessing the pattern between customer metrics and net promoter score : a portuguese insurance sector case study." Master's thesis, 2019. http://hdl.handle.net/10362/71864.
Повний текст джерелаMarketing and business strategy have been globally target of several transformations and improvements during the last century, from a business perspective product-centric, where the demand was bigger than the offer, to a customer-centric perspective, where offer is bigger than the demand. The client is now the focus of the company, the element generating revenues and spreading the word or repurchasing when satisfied, consequently enhancing companies business sustainability and growth. This research intends to contribute to understand the relation between several customer metrics and net promoter score in the insurance sector in Portugal. To achieve this objective, it will estimated a Structural Equation Model using a data set with information collected by Nova Information Management School in scope of the project ECSI covering the latent variables (1) Image (2) Expectations (3) Perceived Quality (4) Perceived Value (5) Trust (6) Satisfaction (7) Loyalty and as target latent variable Net Promoter Score based on the willingness to recommend the organization. It is expected to find results suggesting a positive association between the customer metrics and NPS and therefore by the end of the study we hope to be able to contribute for a growth on customer satisfaction model’s evaluation as well as for implementing policies or strategies to increase the insurance sector overall performance.
Jordaan, J. H. (Johannes Hendrik). "Toepassing van essensiestruktuur-analise as evalueringsmaatstaf vir outentieke opvoeding." Thesis, 1996. http://hdl.handle.net/10500/17029.
Повний текст джерелаDaar is gepoog om 'n omvattende, algemeen geldige maatstaf te vind waarmee enige opvoeding vir outentisiteit geevalueer kan word. Die moontlikheid dat die "essensiestruktuur van behoorlike volwassenewees en van opvoedingsdoel" (ES) hieraan voldoen, is ondersoek. Die genoemde essensiestruktuur (ES) is in 'n modeldiagram CESM) saamgevat. Dit bevat die volgende essensies: 'religiositeit', die 'etiese', 'affektiwiteit', 'liggaamlikheid'. 'nasionaliteit' (insluitende 'kulturaliteit'. 'historisiteit' en die 'politiese'), die 'estetiese'. 'individualiteit'. 'sosialiteit'. die 'ekonomiese'. 'vryheid'. 'gesag'. 'taal' en 'redelikheid'. asook die sewe normbeelde wat 'n substruktuur van die 'etiese' is. 'Religiositeit' is hierargies die mees belangrikste essensie. gevolg deur die 'etiese'. Aldie ander essensies verkeer op 'n derde niveau van belangrikheid. Om outentiek te wees behoort 'n opvoedingseksemplaar aan boge noemde hierargie te voldoen. Elk van die genoemde essensies is verduidelik, asook hulle samehangende verbandhoudendheid binne die ESM. Die harmonie binne hierdie gestruktureerdheid is van deurslaggewende belang vir die begryping van outentisiteit by opvoeding. 'n Evalueringsmetode. bekend as ''essensiestruktuur-analise" (ES-analise). is uit bogenoemde deur die navorser ontwikkel. 'n Uiteensetting van mikro-. meso- en makro ES-analise is oak verstrek. Beskrywings van eksemplare van opvoeding en van aanverwante opvoedingsaangeleenthede word in die lig van die ESM geanaliseer. Hoe meer 'n opvoedingseksemplaar ooreenstem met die ESM hoe nader beweeg dit aan outentisiteit. en omgekeerd. Ter illustrasie van die toepassingsmoontlikhede van ES-analise is die mensbeskouing van C.K. Oberholzer. die kindbeskouing van J.C. Coetzee. die Christelike lewensopvatting, die wereldbeskouing van Albert Schweitzer en die opvoedingsleer van die Klassisisme aan ES-analises onderwerp. Die Christelike lewensopvatting kon as outentiek geevalueer word, terwyl die mensbeskouing van Oberholzer. die kindbeskouing van Coetzee en die wereld beskouing van Schweitzer naby aan outentisiteit beweeg. Die opvoedingsleer van die Klassisisme vertoon heelparty essensie-diskrepansies. Die hipotese, dat ES-analise 'n betroubare evalueringsmaatstaf vir outentieke opvoeding kan wees, is bevestig. Derhalwe kon die aanwending vanESanalise oar 'n wye spektrum aanbeveel word. byvoorbeeld by histories opvoedkundige eksemplare, godsdienslere. skoolstelsels en meegaande kurrikula en by die ontwikkeling van opvoedingsprogramme. Die huidige opvoeding en kon temporere leefwyse kan in die toekoms verbeter word indien ES-analise daadwerklik toegepas sou word.
An effort was made to find a universally valid criterion to evaluate any education for authenticity. The "essence-structure of proper adulthood and of education-aim" (ES) was investigated in this regard. This essence-structure (ES) was condensed in a model diagram (ESM). It includes the fo 11 owing essences: · re 1 i gi ousness · , the · ethi ca 1 ' , · affec tiveness'. 'bodiliness'. 'nationality' ('culturality'. 'historicity' and the 'political'), the 'aesthetical'. 'individuality', 'sociality·. the 'economical'. 'freedom·. 'authority'. 'language' and 'rationality'. as well as the seven norm images - a substructure of the 'ethical'. Hierarchically 'religiousness· is the most important essence. followed by the 'ethical·. All other essences exist on a third 1 eve 1 of importance. To qualify as authentic an exemplar of education ought to comply with the above-mentioned hierarchy. Each of the essences and their interrelatedness within the ESM were discussed. The harmonious co-existence within this structuredness is of paramount importance in understanding educational authenticity. Emanating from the above-mentioned an evaluation method. known as "essence structure-analysis" (ES analysis). was developed. Micro. meso and macro-ESanalysis were also explained. Descriptions of exemplars of education and of educationally related matters are analysed using the ESM as the criterion. The more an exemplar corresponds with the ESM. the more it re sembles authenticity, and vice versa. To demonstrate the application potential of ES analysis C.K. Oberholzer's view of man. J.C. Coetzee's view on childhood. the Christian life-view. Albert Schweitzer's world-view and the educational doctrine of the Classicism were subjected toES analyses. The Christian life-view could be evaluated as authentic. while Oberholzer's view of man. Coetzee's view on childhood and Schweitzer's world-view are resembling authenticity closely. The educational doctrine of the Classicism revealed several essence discre pancies. (viii) The hypothesis. that ES analysis can be a reliable evaluation criterion for authentic education. was confirmed. It could thus be recommended that ESanalysis be implemented over a broad spectrum. for example when studying historico-educational exemplars. doctrines of religion. school systems and curricula and assisting in developing educational programs. The contemporary education and way of life can be ameliorated in the future if ES analysis is applied actively.
Educational Studies
D.Ed. (Philosophy of Education)
Cornew, Clive. "The battle of changing times : picaresque parodies from Bruegel to Grosz." Thesis, 1999. http://hdl.handle.net/10500/17931.
Повний текст джерелаArt History, Visual Arts & Musicology
Thesis (D.Litt. et Phil.)
Matuszkiewicz, Kai. "Zwischen Interaktion und Narration:." Doctoral thesis, 2017. http://hdl.handle.net/11858/00-1735-0000-002E-E458-E.
Повний текст джерела