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Dissertations / Theses on the topic 'Semantic thesaurus'

Author: Grafiati

Published: 30 May 2022

Last updated: 31 July 2025

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1

Tansley, Robert Hugh. "The multimedia thesaurus : adding a semantic layer to multimedia information." Thesis, University of Southampton, 2000. https://eprints.soton.ac.uk/253833/.

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The digital computer has greatly increased our capacity for storing and accessing information. The internet, and particularly the World Wide Web, have vastly increased the amount of information available to us. Information retrieval and hypermedia research has greatly reduced the time and effort required to fulfill a searcher's information need; however, problems still remain. To access <EM>multimedia</EM> information, text metadata must usually be assigned to the multimedia objects, requiring an (often prohibitively) large amount of time and effort. Alternatively, some systems use low-level f

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2

Kennedy, Alistair H. "Automatic Supervised Thesauri Construction with Roget’s Thesaurus." Thesis, Université d'Ottawa / University of Ottawa, 2012. http://hdl.handle.net/10393/23573.

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Thesauri are important tools for many Natural Language Processing applications. Roget's Thesaurus is particularly useful. It is of high quality and has been in development for over a century and a half. Yet its applications have been limited, largely because the only publicly available edition dates from 1911. This thesis proposes and tests methods of automatically updating the vocabulary of the 1911 Roget’s Thesaurus. I use the Thesaurus as a source of training data in order to learn from Roget’s for the purpose of updating Roget’s. The lexicon is updated in two stages. First, I develop a me

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3

Dagerman, Björn. "Semantic Analysis of Natural Language and Definite Clause Grammar using Statistical Parsing and Thesauri." Thesis, Mälardalens högskola, Akademin för innovation, design och teknik, 2013. http://urn.kb.se/resolve?urn=urn:nbn:se:mdh:diva-26142.

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Services that rely on the semantic computations of users’ natural linguistic inputs are becoming more frequent. Computing semantic relatedness between texts is problematic due to the inherit ambiguity of natural language. The purpose of this thesis was to show how a sentence could be compared to a predefined semantic Definite Clause Grammar (DCG). Furthermore, it should show how a DCG-based system could benefit from such capabilities. Our approach combines openly available specialized NLP frameworks for statistical parsing, part-of-speech tagging and word-sense disambiguation. We compute the s

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4

Jobbins, Amanda Caryn. "The contribution of semantics to automatic text processing." Thesis, Nottingham Trent University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.302405.

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5

Curran, James Richard. "From distributional to semantic similarity." Thesis, University of Edinburgh, 2004. http://hdl.handle.net/1842/563.

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Lexical-semantic resources, including thesauri and WORDNET, have been successfully incorporated into a wide range of applications in Natural Language Processing. However they are very difficult and expensive to create and maintain, and their usefulness has been severely hampered by their limited coverage, bias and inconsistency. Automated and semi-automated methods for developing such resources are therefore crucial for further resource development and improved application performance. Systems that extract thesauri often identify similar words using the distributional hypothesis that similar w

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Самойлик, Євген Олександрович, та Yevgen Samoylik. "Лексикографічні методи захисту мовної інформації". Thesis, Національний авіаційний університет, 2020. https://er.nau.edu.ua/handle/NAU/44637.

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Дисертаційна робота присвячена створенню стійких симетричних криптосистем, що не пред’являють жорстких вимог до системи розповсюдження ключової інформації. Розроблено метод побудови семантичного словника, який задає семантичну структуру словника прикладної області. Розроблено метод побудови лексикографічної системи захисту мовної інформації, який за рахунок укрупнення алфавіту джерела текстових повідомлень забезпечив збільшення відстані єдиності шифру, що надало змогу суттєво збільшити довжину шифрованих повідомлень відносно довжини ключової інформації. Розроблено метод побудови стійкої крипто

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7

Limpens, Freddy. "Multi-points of view semantic enrichment of folksonomies." Phd thesis, Université de Nice Sophia-Antipolis, 2010. http://tel.archives-ouvertes.fr/tel-00530714.

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Cette thèse, au croisement du Web Social et du Web Sémantique, vise à rapprocher folksonomies et représentations structurées de connaissances telles que les thesauri ou les ontologies informatiques. Les folksonomies, résultant de l'usage de plateformes de social tagging, souffrent d'un manque de précision qui les rend difficile à exploiter pour la naviguation. Cette thèse présente notre approche multi-points de vue de l'enrichissement sémantique des folksonomies. L'amorçage est assuré par des traitements automatiques qui permettent d'extraire des relations sémantiques entre tags grâce à la com

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8

Novák, Ján. "Automatická tvorba tezauru z wikipedie." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2011. http://www.nusl.cz/ntk/nusl-236964.

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This thesis deals with automatic acquiring thesauri from Wikipedia. It describes Wikipedia as a suitable data set for thesauri acquiring and also methods for computing semantic similarity of terms are described. The thesis also contains a description of concepts and implementation of the system for automatic thesauri acquiring. Finally, the implemented system is evaluated by the standard metrics, such as precision or recall.

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9

Pastor, Sánchez Juan Antonio. "Diseño de un sistema colaborativo para la creación y gestión de tesauros en Internet basado en SKOS." Doctoral thesis, Universidad de Murcia, 2009. http://hdl.handle.net/10803/10914.

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Esta tesis se enmarca en los procesos de recuperación de información en la Web, mediante la aplicación de tesauros y orientada hacia las propuestas de representación de información en la Web Semántica. Se plantea la creación de un modelo conceptual para desarrollar aplicaciones web para la gestión colaborativa de tesauros basados en SKOS y su aplicación en la indización de recursos de información, agrupados en repositorios y descritos mediante metadatos. Se han estudiado modelos de recuperación de información aplicados a la Web, junto con el significado, estructura, tecnologías y evolución de

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10

Kao, Kate H., and 高紅雯. "A Thesaurus-Based Semantic Classification of English Collocations." Thesis, 2008. http://ndltd.ncl.edu.tw/handle/71929995396508573779.

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碩士<br>國立清華大學<br>資訊系統與應用研究所<br>96<br>New computational tools for extracting collocations are a great boon to both language learners and lexicographers alike. A new method is proposed in this paper to organize the extremely numerous collocates that these tools can return into semantic thesaurus categories. The approach introduces a thesaurus-based semantic classification model automatically learning semantic relations for classifying adjective-noun (A-N) and verb-noun (V-N) collocations into different categories. As it is most relevant to language learners, the research focuses on the frequent

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11

"A new approach for extracting inter-word semantic relationship from a contemporary Chinese thesaurus." Chinese University of Hong Kong, 1995. http://library.cuhk.edu.hk/record=b5888491.

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by Lam Sze-sing.<br>Thesis (M.Phil.)--Chinese University of Hong Kong, 1995.<br>Includes bibliographical references (leaves 119-123).<br>Chapter CHAPTER 1 --- INTRODUCTION --- p.1<br>Chapter 1.1 --- Introduction --- p.1<br>Chapter 1.2 --- Statement of Thesis --- p.5<br>Chapter 1.3 --- Organization of this Thesis --- p.6<br>Chapter CHAPTER 2 --- RELATED WORK --- p.8<br>Chapter 2.1 --- Overview --- p.8<br>Chapter 2.2 --- Corpus-Based Knowledge Acquisition --- p.12<br>Chapter 2.3 --- Linguistic-Based Knowledge Acquisition --- p.18<br>Chapter 2.3.1 --- Knowledge Acquisition from Standard D

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12

Mohammad, Saif. "Measuring Semantic Distance using Distributional Profiles of Concepts." Thesis, 2008. http://hdl.handle.net/1807/11238.

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Semantic distance is a measure of how close or distant in meaning two units of language are. A large number of important natural language problems, including machine translation and word sense disambiguation, can be viewed as semantic distance problems. The two dominant approaches to estimating semantic distance are the WordNet-based semantic measures and the corpus-based distributional measures. In this thesis, I compare them, both qualitatively and quantitatively, and identify the limitations of each. This thesis argues that estimating semantic distance is essentially a property of concept

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13

Přečková, Petra. "Jazyk lékařských zpráv a jeho informačně lexikální analýza." Doctoral thesis, 2011. http://www.nusl.cz/ntk/nusl-311496.

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The objective of the dissertation thesis has been the information-lexical analysis of Czech medical reports and the usability of international classification systems in the Czech healthcare environment. The analysis of medical reports has been based on the attributes of the Minimal Data Model for Cardiology (MDMC). Narrative medical reports and structured medical reports from the ADAMEK software application have been used. For the thesis SNOMED CT and ICD-10 classification systems have been used. There has been compared how well attributes of MDMC are recorded in narrative and structured medic

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14

Chen, Shu-Jiun, and 陳淑君. "A Study of Mapping Chinese-English Lexical Semantics for a Thesaurus in Chinese Art." Thesis, 2012. http://ndltd.ncl.edu.tw/handle/50942093307491251951.

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博士<br>國立臺灣大學<br>圖書資訊學研究所<br>100<br>The semantic interoperability between knowledge organization systems has significant bearing on the efficiency of cross-resource retrieval for users, which is an important issue for digital library research. Semantic interoperability allows different systems and services to communicate data, information and knowledge, ensuring its accuracy and retaining their original meaning. However, any multilingual knowledge organization system, based on language and cultural differences-- especially with the need to integrate different cultural perspectives--will generat

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15

Müllerová, Světlana. "Vztahy mezi staroseverskými adjektivními výpůjčkami a jejich staroanglickými protějšky ve střední angličtině." Master's thesis, 2020. http://www.nusl.cz/ntk/nusl-436595.

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CHARLES UNIVERSITY - FACULTY OF ARTS DEPARTMENT OF ENGLISH LANGUAGE AND ELT METHODOLOGY Relationships between the borrowed Old Norse adjectives in English and their Old English counterparts MA THESIS Supervisor: prof. PhDr. Jan Čermák, CSc. Author: Světlana Müllerová Abstract: The aim of this MA thesis is to examine the relationship between six word pairs, each comprising an Old Norse adjectival borrowing in Middle English and its Old English counterpart along with its Middle English reflex for further reference. The inquiry into their relationship involves an analysis of: their (i) formal asp

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