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Dissertations / Theses on the topic 'Fuzzy formal concept analysis'

Author: Grafiati
Published: 10 March 2023
Last updated: 31 July 2025

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1

De, Maio Carmen. "Fuzzy concept analysis for semantic knowledge extraction." Doctoral thesis, Universita degli studi di Salerno, 2012. http://hdl.handle.net/10556/1307.

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2010 - 2011<br>Availability of controlled vocabularies, ontologies, and so on is enabling feature to provide some added values in terms of knowledge management. Nevertheless, the design, maintenance and construction of domain ontologies are a human intensive and time consuming task. The Knowledge Extraction consists of automatic techniques aimed to identify and to define relevant concepts and relations of the domain of interest by analyzing structured (relational databases, XML) and unstructured (text, documents, images) sources. Specifically, methodology for knowledge extraction defined in t
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2

Konecny, Jan. "Isotone fuzzy Galois connections and their applications in formal concept analysis." Diss., Online access via UMI:, 2009.

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Thesis (Ph. D.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Systems Science and Industrial Engineering, 2009.<br>Includes bibliographical references.
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3

Glodeanu, Cynthia Vera. "Conceptual Factors and Fuzzy Data." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-103775.

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With the growing number of large data sets, the necessity of complexity reduction applies today more than ever before. Moreover, some data may also be vague or uncertain. Thus, whenever we have an instrument for data analysis, the questions of how to apply complexity reduction methods and how to treat fuzzy data arise rather naturally. In this thesis, we discuss these issues for the very successful data analysis tool Formal Concept Analysis. In fact, we propose different methods for complexity reduction based on qualitative analyses, and we elaborate on various methods for handling fuzzy data.
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4

Ayouni, Sarra. "Etude et Extraction de règles graduelles floues : définition d'algorithmes efficaces." Thesis, Montpellier 2, 2012. http://www.theses.fr/2012MON20015/document.

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L'Extraction de connaissances dans les bases de données est un processus qui vise à extraire un ensemble réduit de connaissances à fortes valeurs ajoutées à partir d'un grand volume de données. La fouille de données, l'une des étapes de ce processus, regroupe un certain nombre de taches, telles que : le clustering, la classification, l'extraction de règles d'associations, etc.La problématique d'extraction de règles d'association nécessite l'étape d'extraction de motifs fréquents. Nous distinguons plusieurs catégories de motifs : les motifs classiques, les motifs flous, les motifs graduels, les
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5

Novi, Daniele. "Knowledge management and Discovery for advanced Enterprise Knowledge Engineering." Doctoral thesis, Universita degli studi di Salerno, 2014. http://hdl.handle.net/10556/1466.

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2012 - 2013<br>The research work addresses mainly issues related to the adoption of models, methodologies and knowledge management tools that implement a pervasive use of the latest technologies in the area of Semantic Web for the improvement of business processes and Enterprise 2.0 applications. The first phase of the research has focused on the study and analysis of the state of the art and the problems of Knowledge Discovery database, paying more attention to the data mining systems. The most innovative approaches which were investigated for the "Enterprise Knowledge Engineering" are liste
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6

Dao, Ngoc Bich. "Réduction de dimension de sac de mots visuels grâce à l’analyse formelle de concepts." Thesis, La Rochelle, 2017. http://www.theses.fr/2017LAROS010/document.

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La réduction des informations redondantes et/ou non-pertinentes dans la description de données est une étape importante dans plusieurs domaines scientifiques comme les statistiques, la vision par ordinateur, la fouille de données ou l’apprentissage automatique. Dans ce manuscrit, nous abordons la réduction de la taille des signatures des images par une méthode issue de l’Analyse Formelle de Concepts (AFC), qui repose sur la structure du treillis des concepts et la théorie des treillis. Les modèles de sac de mots visuels consistent à décrire une image sous forme d’un ensemble de mots visuels ob
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7

Diner, Casri. "Visualizing Data With Formal Concept Analysis." Master's thesis, METU, 2003. http://etd.lib.metu.edu.tr/upload/1046325/index.pdf.

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In this thesis, we wanted to stress the tendency to the geometry of data. This should be applicable in almost every branch of science, where data are of great importance, and also in every kind of industry, economy, medicine etc. Since machine&#039<br>s hard-disk capacities which is used for storing datas and the amount of data you can reach through internet is increasing day by day, there should be a need to turn this information into knowledge. This is one of the reasons for studying formal concept analysis. We wanted to point out how this application is related with algebra and logic. The
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8

Krajča, Petr. "Advanced algorithms for formal concept analysis." Diss., Online access via UMI:, 2009.

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Thesis (Ph. D.)--State University of New York at Binghamton, Thomas J. Watson School of Engineering and Applied Science, Department of Systems Science and Industrial Engineering, 2009.<br>Includes bibliographical references.
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9

Petersen, Wiebke, and Petja Heinrich. "Qualitative Citation Analysis Based on Formal Concept Analysis." Universitätsbibliothek Chemnitz, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:ch1-200801464.

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Zu den Aufgaben der Bibliometrie gehört die Zitationsanalyse (Kessler 1963), das heißt die Analyse von Kozitationen (zwei Texte werden kozipiert, wenn es einen Text gibt, in dem beide zitiert werden) und die bibliographische Kopplung (zwei Texte sind bibliographisch gekoppelt, wenn beide eine gemeinsame Zitation aufweisen). In dem Vortrag wird aufgezeigt werden, daß die Formale Begriffsanalyse (FBA) für eine qualitative Zitationsanalyse geeignete Mittel bereithält. Eine besondere Eigenschaft der FBA ist, daß sie die Kombination verschiedenartiger (qualitativer und skalarer) Merkmale ermöglich
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10

Sertkaya, Baris. "Formal Concept Analysis Methods for Description Logics." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1215598189927-85390.

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This work presents mainly two contributions to Description Logics (DLs) research by means of Formal Concept Analysis (FCA) methods: supporting bottom-up construction of DL knowledge bases, and completing DL knowledge bases. Its contribution to FCA research is on the computational complexity of computing generators of closed sets.
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11

Lungley, Deirdre. "Adaptive information retrieval employing formal concept analysis." Thesis, University of Essex, 2012. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.573750.

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In this thesis we propose the use of an adaptive interactive interface to allow user exploration of the context of an intranet query. The underlying domain model is that of a Formal Concept Analysis (FCA) lattice. Understanding the difficulty of achieving optimum document descriptors, essential for a browsable lattice, we propose harnessing implicit user feedback in learning document/term associations. We utilise a task-based methodology to evaluate subjects' perception of the usefulness of our interactive interface and that of one adapted through usage data. Results validated the usefulness o
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12

Sertkaya, Baris. "Formal Concept Analysis Methods for Description Logics." Doctoral thesis, Technische Universität Dresden, 2007. https://tud.qucosa.de/id/qucosa%3A23613.

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This work presents mainly two contributions to Description Logics (DLs) research by means of Formal Concept Analysis (FCA) methods: supporting bottom-up construction of DL knowledge bases, and completing DL knowledge bases. Its contribution to FCA research is on the computational complexity of computing generators of closed sets.
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13

Sertkaya, Barış. "Formal concept analysis methods for description logics." [S.l. : s.n.], 2008. http://nbn-resolving.de/urn:nbn:de:bsz:14-ds-1215598189927-85390.

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14

Kim, Bong-Seop. "Advanced web search based on formal concept analysis." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 2001. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/MQ62230.pdf.

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15

Tilley, Thomas. "Formal concept analysis applications to requirements engineering and design /." [St. Lucia, Qld.], 2003. http://adt.library.uq.edu.au/public/adt-QU20050223.204947/index.html.

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16

González, González Larry Javier. "Modelling dynamics of RDF graphs with formal concept analysis." Tesis, Universidad de Chile, 2018. http://repositorio.uchile.cl/handle/2250/168144.

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Magíster en Ciencias, Mención Computación<br>La Web Semántica es una red de datos organizados de tal manera que permite su manipulación directa tanto por humanos como por computadoras. RDF es el framework recomendado por W3C para representar información en la Web Semántica. RDF usa un modelo de datos basado en grafos que no requiere ningún esquema fijo, provocando que los grafos RDF sean fáciles de extender e integrar, pero también difíciles de consultar, entender, explorar, resumir, etc. En esta tesis, inspirados en formal concept analysis (un subcampo de las matemáticas aplicadas, basados e
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17

Almuhisen, Feda. "Leveraging formal concept analysis and pattern mining for moving object trajectory analysis." Electronic Thesis or Diss., Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0738.

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Cette thèse présente un cadre de travail d'analyse de trajectoires contenant une phase de prétraitement et un processus d’extraction de trajectoires d’objets mobiles. Le cadre offre des fonctions visuelles reflétant le comportement d'évolution des motifs de trajectoires. L'originalité de l’approche est d’allier extraction de motifs fréquents, extraction de motifs émergents et analyse formelle de concepts pour analyser les trajectoires. A partir des données de trajectoires, les méthodes proposées détectent et caractérisent les comportements d'évolution des motifs. Trois contributions sont propo
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18

Almuhisen, Feda. "Leveraging formal concept analysis and pattern mining for moving object trajectory analysis." Thesis, Aix-Marseille, 2018. http://www.theses.fr/2018AIXM0738/document.

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Cette thèse présente un cadre de travail d'analyse de trajectoires contenant une phase de prétraitement et un processus d’extraction de trajectoires d’objets mobiles. Le cadre offre des fonctions visuelles reflétant le comportement d'évolution des motifs de trajectoires. L'originalité de l’approche est d’allier extraction de motifs fréquents, extraction de motifs émergents et analyse formelle de concepts pour analyser les trajectoires. A partir des données de trajectoires, les méthodes proposées détectent et caractérisent les comportements d'évolution des motifs. Trois contributions sont propo
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19

Kriegel, Francesco. "Visualization of Conceptual Data with Methods of Formal Concept Analysis." Master's thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2013. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-125309.

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Draft and proof of an algorithm computing incremental changes within a labeled layouted concept lattice upon insertion or removal of an attribute column in the underlying formal context. Furthermore some implementational details and mathematical background knowledge are presented<br>Entwurf und Beweis eines Algorithmus zur Berechnung inkrementeller Änderungen in einem beschrifteten dargestellten Begriffsverband beim Einfügen oder Entfernen einer Merkmalsspalte im zugrundeliegenden formalen Kontext. Weiterhin sind einige Details zur Implementation sowie zum mathematischen Hintergrundwissen darg
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20

Kiraly, Bret D. "An Experimental Application of Formal Concept Analysis to Research Communities." Case Western Reserve University School of Graduate Studies / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=case1228497076.

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21

Kanade, Parag M. "Fuzzy ants as a clustering concept." [Tampa, Fla.] : University of South Florida, 2004. http://purl.fcla.edu/fcla/etd/SFE0000397.

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22

Hanika, Tom [Verfasser]. "Discovering Knowledge in Bipartite Graphs with Formal Concept Analysis / Tom Hanika." Kassel : Universitätsbibliothek Kassel, 2019. http://d-nb.info/1180660811/34.

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23

Watmough, Martin John. "Discovering the hidden knowledge in transaction data through formal concept analysis." Thesis, Sheffield Hallam University, 2013. http://shura.shu.ac.uk/7706/.

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The aim of this research is to discover if hitherto hidden knowledge exists in transaction data and how it can be exposed through the application of Formal Concept Analysis (FCA). Enterprise systems capture data in a transaction structure so that they can provide information that seeks to align with the knowledge that decision-makers use to achieve business goals. With the emergence of service-oriented architecture and developments in business intelligence, data in its own right is becoming significant, suggesting that data in itself may be capable of capturing human behaviour and offerer nove
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24

Arévalo, Gabriela Beatriz. "High-level views in object-oriented systems using formal concept analysis /." [S.l.] : [s.n.], 2004. http://www.zb.unibe.ch/download/eldiss/04arevalo_g.pdf.

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25

Leutwyler, Nicolás. "Flexible and Scalable methods for Formal Concept Analysis in Distributed Architectures." Electronic Thesis or Diss., Université de Lorraine, 2024. http://www.theses.fr/2024LORR0112.

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Cette thèse explore l'adaptation de l'Analyse Formelle de Concepts (AFC) pour relever les défis posés par les environnements de données distribués et dynamiques. Cette recherche répond à la nécessité de techniques de fouille de données efficaces dans le contexte de l'Industrie 4.0 et de l'Internet des Objets (IoT), où la génération de données est vaste et continue. Les objectifs principaux incluent le développement de méthodes scalables et flexibles pour éviter la perte de concepts significatifs lors de la construction de réticulé de concepts, la proposition d'algorithmes incrémentaux adaptés
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26

Smith, David T. "A Formal Concept Analysis Approach to Association Rule Mining: The QuICL Algorithms." NSUWorks, 2009. http://nsuworks.nova.edu/gscis_etd/309.

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Association rule mining (ARM) is the task of identifying meaningful implication rules exhibited in a data set. Most research has focused on extracting frequent item (FI) sets and thus fallen short of the overall ARM objective. The FI miners fail to identify the upper covers that are needed to generate a set of association rules whose size can be exploited by an end user. An alternative to FI mining can be found in formal concept analysis (FCA), a branch of applied mathematics. FCA derives a concept lattice whose concepts identify closed FI sets and connections identify the upper covers. Howeve
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27

Rudolph, Sebastian. "Relational Exploration: Combining Description Logics and Formal Concept Analysis for Knowledge Specification." Doctoral thesis, Technische Universität Dresden, 2006. https://tud.qucosa.de/id/qucosa%3A25002.

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Facing the growing amount of information in today's society, the task of specifying human knowledge in a way that can be unambiguously processed by computers becomes more and more important. Two acknowledged fields in this evolving scientific area of Knowledge Representation are Description Logics (DL) and Formal Concept Analysis (FCA). While DL concentrates on characterizing domains via logical statements and inferring knowledge from these characterizations, FCA builds conceptual hierarchies on the basis of present data. This work introduces Relational Exploration, a method for acquiring comp
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28

Ducrou, Jon. "Design for conceptual knowledge processing case studies in applied formal concept analysis /." Access electronically, 2007. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20080919.093612/index.html.

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29

Horner, Vincent Zion. "Developing a consumer health informatics decision support system using formal concept analysis." Diss., Pretoria : [s.n.], 2007. http://upetd.up.ac.za/thesis/available/etd-05052008-112403/.

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30

Everts, TJ. "Using Formal Concept Analysis with a Push-based Web Document Management System." Thesis, Honours thesis, University of Tasmania, 2004. https://eprints.utas.edu.au/116/1/EvertsT_Hons_Thesis2004.pdf.

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The significant increase in amount of information readily available on the World Wide Web (WWW) makes it difficult for users to locate the information they desire in a timely manner. Modern information gathering and retrieval methods focus on simplifying this task by enabling the user to retrieve only a small subset of information that is more relevant and manageable. However, often the majority of users will not find an immediate use for the information. Therefore, it is necessary to provide a method to store it effectively so it can be utilised as a future knowledge resource. A commonly a
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31

Abid, Ahmed. "Improvement of web service composition using semantic similarities and formal concept analysis." Thesis, Tours, 2017. http://www.theses.fr/2017TOUR4007.

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Les Architectures Orientées Services (SOA) se sont progressivement imposées comme outil incontournable dans les échanges inter-entreprises grâce à leurs potentiels stratégiques et technologiques. Leurs mise en oeuvre est concrétisée à travers les services Web dont l'un des principaux atouts est leur composabilité. Avec l'émergence du Web sémantique la découverte et la composition de services Web sémantiques constituent un réel défi. Le processus de découverte s'appui généralement sur les registres traditionnels offrant des descriptions syntaxiques regroupés statiquement, ce qui pose un problèm
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32

Abbas, Nacira. "Formal Concept Analysis for Discovering Link Keys in the Web of Data." Electronic Thesis or Diss., Université de Lorraine, 2023. http://www.theses.fr/2023LORR0202.

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Le Web des données est un espace de données global qui peut être considéré comme une couche supplémentaire au-dessus du Web des documents. Le liage des données est la tâche de découverte des liens d'identité entre les ensembles de données RDF (Resource Description Framework) sur le Web des données. Nous nous intéressons à une approche spécifique pour le liage des données, qui repose sur les “clés de liage”. Cette clé a la forme de deux ensembles de paires de propriétés associées à une paire de classes. Par exemple, la clé de liage ({(designation,titre)},{(designation,titre), (createur,auteur)}
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33

Berthold, Stefan. "Linkability of communication contents : Keeping track of disclosed data using Formal Concept Analysis." Thesis, Karlstad University, Faculty of Economic Sciences, Communication and IT, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-369.

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<p>A person who is communication about (the data subject) has to keep track of all of his revealed data in order to protect his right of informational self-determination. This is important when data is going to be processed in an automatic manner and, in particular, in case of automatic inquiries. A data subject should, therefore, be enabled to recognize useful decisions with respect to data disclosure, only by using data which is available to him.</p><p>For the scope of this thesis, we assume that a data subject is able to protect his communication contents and the corresponding communication
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34

Distel, Felix. "Learning Description Logic Knowledge Bases from Data Using Methods from Formal Concept Analysis." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-70199.

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Description Logics (DLs) are a class of knowledge representation formalisms that can represent terminological and assertional knowledge using a well-defined semantics. Often, knowledge engineers are experts in their own fields, but not in logics, and require assistance in the process of ontology design. This thesis presents three methods that can extract terminological knowledge from existing data and thereby assist in the design process. They are based on similar formalisms from Formal Concept Analysis (FCA), in particular the Next-Closure Algorithm and Attribute-Exploration. The first of the
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Ma, Junheng. "Contributions to Numerical Formal Concept Analysis, Bayesian Predictive Inference and Sample Size Determination." Case Western Reserve University School of Graduate Studies / OhioLINK, 2011. http://rave.ohiolink.edu/etdc/view?acc_num=case1285341426.

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Sinha, Aditya. "Formal Concept Analysis for Search and Traversal in Multiple Databases with Effective Revision." University of Cincinnati / OhioLINK, 2009. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1245088303.

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37

Shen, Gongqin. "Formal Concepts and Applications." Case Western Reserve University School of Graduate Studies / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=case1121454398.

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38

Meschke, Christian. "Concept Approximations." Doctoral thesis, Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2012. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-86642.

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In this thesis, we present a lattice theoretical approach to the field of approximations. Given a pair consisting of a kernel system and a closure system on an underlying lattice, one receives a lattice of approximations. We describe the theory of these lattices of approximations. Furthermore, we put a special focus on the case of concept lattices. As it turns out, approximation of formal concepts can be interpreted as traces, which are preconcepts in a subcontext<br>In der vorliegenden Arbeit beschreiben wir einen verbandstheoretischen Zugang zum Thema Approximieren. Ausgehend von einem Kern-
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Ozdemir, Ali Yucel. "An Inquiry Into The Concept Of." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12615034/index.pdf.

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This thesis makes a survey on conception of &ldquo<br>surface&rdquo<br>in the works of Peter Eisenman. In doing so, the concept of &ldquo<br>surface&rdquo<br>is discussed under three titles: &ldquo<br>Surface&rdquo<br>as an element of architectural vocabulary (as a formal element), as an analytical tool (as a grammar), and as a diagrammatic tool. Correspondingly, the thesis is intended to examine how &ldquo<br>surface&rdquo<br>is conceptualized and handled through the critical readings of Eisenman&rsquo<br>s writings, and projects are referred in order to support and visualize the discussions.
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40

Rudolph, Sebastian [Verfasser]. "Relational exploration : combining description logics and formal concept analysis for knowledge specification / von Sebastian Rudolph." Karlsruhe : Univ.-Verl. Karlsruhe, 2007. http://d-nb.info/983756430/34.

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41

Joseph, Daniel. "Linking information resources with automatic semantic extraction." Thesis, University of Manchester, 2016. https://www.research.manchester.ac.uk/portal/en/theses/linking-information-resources-with-automatic-semantic-extraction(ada2db36-4366-441a-a0a9-d76324a77e2c).html.

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Knowledge is a critical dimension in the problem solving processes of human intelligence. Consequently, enabling intelligent systems to provide advanced services requires that their artificial intelligence routines have access to knowledge of relevant domains. Ontologies are often utilised as the formal conceptualisation of domains, in that they identify and model the concepts and relationships of the targeted domain. However complexities inherent in ontology development and maintenance have limited their availability. Separate from the conceptualisation component, domain knowledge also encomp
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De, Alburquerque Melo Cassio. "Real-time Distributed Computation of Formal Concepts and Analytics." Phd thesis, Ecole Centrale Paris, 2013. http://tel.archives-ouvertes.fr/tel-00966184.

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The advances in technology for creation, storage and dissemination of data have dramatically increased the need for tools that effectively provide users with means of identifying and understanding relevant information. Despite the great computing opportunities distributed frameworks such as Hadoop provide, it has only increased the need for means of identifying and understanding relevant information. Formal Concept Analysis (FCA) may play an important role in this context, by employing more intelligent means in the analysis process. FCA provides an intuitive understanding of generalization and
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43

Cellier, Peggy, Felix Distel, and Bernhard Ganter. "Contributions to the 11th International Conference on Formal Concept Analysis: Dresden, Germany, May 21–24, 2013." Technische Universität Dresden, 2013. https://tud.qucosa.de/id/qucosa%3A26885.

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Formal concept analysis (FCA) is a mathematical formalism based on order and lattice theory for data analysis. It has found applications in a broad range of neighboring fields including Semantic Web, data mining, knowledge representation, data visualization and software engineering. ICFCA is a series of annual international conferences that started in 2003 in Darmstadt and has been held in several continents: Europe, Australia, America and Africa. ICFCA has evolved to be the main forum for researchers working on theoretical or applied aspects of formal concept analysis worldwide. In 2013 the c
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44

Kandasamy, Meenakshi. "Approaches to Creating Fuzzy Concept Lattices and an Application to Bioinformatics Annotations." Miami University / OhioLINK, 2010. http://rave.ohiolink.edu/etdc/view?acc_num=miami1293821656.

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45

Distel, Felix, and Daniel Borchmann. "Expected Numbers of Proper Premises and Concept Intents." Saechsische Landesbibliothek- Staats- und Universitaetsbibliothek Dresden, 2011. http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-71153.

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46

Potter, Dustin Paul. "A combinatorial approach to scientific exploration of gene expression data: An integrative method using Formal Concept Analysis for the comparative analysis of microarray data." Diss., Virginia Tech, 2005. http://hdl.handle.net/10919/28792.

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Functional genetics is the study of the genes present in a genome of an organism, the complex interplay of all genes and their environment being the primary focus of study. The motivation for such studies is the premise that gene expression patterns in a cell are characteristic of its current state. The availability of the entire genome for many organisms now allows scientists unparalleled opportunities to characterize, classify, and manipulate genes or gene networks involved in metabolism, cellular differentiation, development, and disease. System-wide studies of biological systems have been
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Peng, Jin-De, and 彭晉德. "Apply Document Processing Techniques to Improve Fuzzy Formal Concept Analysis Concept Quality." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/13267447827823741877.

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碩士<br>國立雲林科技大學<br>資訊管理系碩士班<br>101<br>Traditional Formal Concept Analysis (FCA) has been blamed for its drawback that fails to deal with uncertain information; furthermore, its performance to administer and searching deteriorated while coping with a large amount of documents and particularly in wider domains. To deal with this drawback, this study employed Fuzzy Theory into FCA and used Event Detection Clustering Technique based on the experimental dataset from Yahoo! News. We extracted news features through syntax rules and assigned normalized TF-IDF as membership grade. Then, event detection
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Lin, Shin-Yang, and 林欣洋. "Knowledge Exploration in Drug Interaction using Fuzzy Formal Concept Analysis." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/43035149416098183090.

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碩士<br>國立成功大學<br>資訊管理研究所<br>95<br>The improvements in pharmaceutics, accompanied by medicinal and technological advances, have expanded the diversity of pharmaceuticals to a great extent, turning the world of pharmacology into a complex web of drugs, their interactions, and most important of all, their effects on patients. The increasing number of existent pharmaceuticals inevitably complicates the interactions between them, revealing the importance of their thorough understanding in order to prevent possible pathogenic symptoms. This is emphasized by the seriousness of drug misuse and the rela
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Cheng, HsuFeng, and 鄭旭峰. "The Study on “Information Security” News Retrieval by using Fuzzy Formal Concept Analysis." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/73187591349099605567.

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碩士<br>國防大學管理學院<br>資訊管理學系<br>101<br>In today's ever-expanding universe of knowledge, digital documentation to be a trend, online information is the main part of knowledge resources. Therefore, to cite the past valuable references and try to find out how to make the massive volume of data as a file, to categorize and search relevant information in an efficient way is the critical issue of current studies. Nowadays we can use index application in plenty websites, and the way of navigating based on “Keywords”, however in this way, it cannot be more efficient to search one certain topic during navi
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Glodeanu, Cynthia Vera. "Conceptual Factors and Fuzzy Data." Doctoral thesis, 2012. https://tud.qucosa.de/id/qucosa%3A26470.

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With the growing number of large data sets, the necessity of complexity reduction applies today more than ever before. Moreover, some data may also be vague or uncertain. Thus, whenever we have an instrument for data analysis, the questions of how to apply complexity reduction methods and how to treat fuzzy data arise rather naturally. In this thesis, we discuss these issues for the very successful data analysis tool Formal Concept Analysis. In fact, we propose different methods for complexity reduction based on qualitative analyses, and we elaborate on various methods for handling fuzzy data.
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