-
Eckert, K.; Pfeffer, M.; Stuckenschmidt, H.: Assessing thesaurus-based annotations for semantic search applications (2008)
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- Date
- 25. 2.2012 13:51:29
- Source
- International Journal of Metadata, Semantics and Ontologies. 3(2008) no.1, S.53-67
- Theme
- Konzeption und Anwendung des Prinzips Thesaurus
-
Platis, N. et al.: Visualization of uncertainty in tag clouds (2016)
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- Date
- 1. 2.2016 18:25:22
1. 2.2016 19:08:09
- Imprint
- Basel : Springer International Publishing
- Source
- Semantic keyword-based search on structured data sources: First COST Action IC1302 International KEYSTONE Conference, IKC 2015, Coimbra, Portugal, September 8-9, 2015. Revised Selected Papers. Eds.: J. Cardoso et al
-
Kocijan, K.: Visualizing natural language resources (2015)
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- Series
- Schriften zur Informationswissenschaft; Bd.66
- Source
- Re:inventing information science in the networked society: Proceedings of the 14th International Symposium on Information Science, Zadar/Croatia, 19th-21st May 2015. Eds.: F. Pehar, C. Schloegl u. C. Wolff
-
Christoforidis, A.; Heuwing, B.; Mandl, T.: Visualising topics in document collections : an analysis of the interpretation process of historians (2017)
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- Series
- Schriften zur Informationswissenschaft; Bd. 70
- Source
- Everything changes, everything stays the same? - Understanding information spaces : Proceedings of the 15th International Symposium of Information Science (ISI 2017), Berlin/Germany, 13th - 15th March 2017. Eds.: M. Gäde, V. Trkulja u. V. Petras
-
Chowdhury, S.; Chowdhury, G.G.: Using DDC to create a visual knowledge map as an aid to online information retrieval (2004)
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- Content
- 1. Introduction Web search engines and digital libraries usually expect the users to use search terms that most accurately represent their information needs. Finding the most appropriate search terms to represent an information need is an age old problem in information retrieval. Keyword or phrase search may produce good search results as long as the search terms or phrase(s) match those used by the authors and have been chosen for indexing by the concerned information retrieval system. Since this does not always happen, a large number of false drops are produced by information retrieval systems. The retrieval results become worse in very large systems that deal with millions of records, such as the Web search engines and digital libraries. Vocabulary control tools are used to improve the performance of text retrieval systems. Thesauri, the most common type of vocabulary control tool used in information retrieval, appeared in the late fifties, designed for use with the emerging post-coordinate indexing systems of that time. They are used to exert terminology control in indexing, and to aid in searching by allowing the searcher to select appropriate search terms. A large volume of literature exists describing the design features, and experiments with the use, of thesauri in various types of information retrieval systems (see for example, Furnas et.al., 1987; Bates, 1986, 1998; Milstead, 1997, and Shiri et al., 2002).
- Date
- 29. 8.2004 13:37:50
- Source
- Knowledge organization and the global information society: Proceedings of the 8th International ISKO Conference 13-16 July 2004, London, UK. Ed.: I.C. McIlwaine
- Theme
- Klassifikationssysteme im Online-Retrieval
-
Bekavac, B.; Herget, J.; Hierl, S.; Öttl, S.: Visualisierungskomponenten bei webbasierten Suchmaschinen : Methoden, Kriterien und ein Marktüberblick (2007)
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- Abstract
- Bei webbasierten Suchmaschinen werden zunehmend auch Systeme mit Visualisierungskomponenten für die Ergebnisrepräsentation angeboten. Die Ansätze der Visualisierungen unterscheiden sich hierbei in der Zielsetzung und Ausführung deutlich voneinander. Der folgende Beitrag beschreibt die verwendeten Visualisierungsmethoden, systematisiert diese anhand einer Klassifikation, stellt die führenden frei zugänglichen Systeme vor und vergleicht diese anhand der Kriterien aus der Systematisierung. Die typischen Problemfelder werden identifiziert und die wichtigsten Gemeinsamkeiten und Unterschiede der untersuchten Systeme herausgearbeitet. Die Vorstellung zweier innovativer Visualisierungskonzepte im Bereich der Relationenvisualisierung innerhalb von Treffermengen und der Visualisierung von Relationen bei der Suche nach Musik schließen den Beitrag ab.
- Source
- Information - Wissenschaft und Praxis. 58(2007) H.3, S.149-158
-
Thissen, F.: Screen-Design-Manual : Communicating Effectively Through Multimedia (2003)
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- Classification
- ST 253 Informatik / Monographien / Software und -entwicklung / Web-Programmierwerkzeuge (A-Z)
- Date
- 22. 3.2008 14:29:25
- RVK
- ST 253 Informatik / Monographien / Software und -entwicklung / Web-Programmierwerkzeuge (A-Z)
-
Neubauer, G.: Visualization of typed links in linked data (2017)
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- Abstract
- Das Themengebiet der Arbeit behandelt Visualisierungen von typisierten Links in Linked Data. Die wissenschaftlichen Gebiete, die im Allgemeinen den Inhalt des Beitrags abgrenzen, sind das Semantic Web, das Web of Data und Informationsvisualisierung. Das Semantic Web, das von Tim Berners Lee 2001 erfunden wurde, stellt eine Erweiterung zum World Wide Web (Web 2.0) dar. Aktuelle Forschungen beziehen sich auf die Verknüpfbarkeit von Informationen im World Wide Web. Um es zu ermöglichen, solche Verbindungen wahrnehmen und verarbeiten zu können sind Visualisierungen die wichtigsten Anforderungen als Hauptteil der Datenverarbeitung. Im Zusammenhang mit dem Sematic Web werden Repräsentationen von zusammenhängenden Informationen anhand von Graphen gehandhabt. Der Grund des Entstehens dieser Arbeit ist in erster Linie die Beschreibung der Gestaltung von Linked Data-Visualisierungskonzepten, deren Prinzipien im Rahmen einer theoretischen Annäherung eingeführt werden. Anhand des Kontexts führt eine schrittweise Erweiterung der Informationen mit dem Ziel, praktische Richtlinien anzubieten, zur Vernetzung dieser ausgearbeiteten Gestaltungsrichtlinien. Indem die Entwürfe zweier alternativer Visualisierungen einer standardisierten Webapplikation beschrieben werden, die Linked Data als Netzwerk visualisiert, konnte ein Test durchgeführt werden, der deren Kompatibilität zum Inhalt hatte. Der praktische Teil behandelt daher die Designphase, die Resultate, und zukünftige Anforderungen des Projektes, die durch die Testung ausgearbeitet wurden.
- Source
- Mitteilungen der Vereinigung Österreichischer Bibliothekarinnen und Bibliothekare. 70(2017) H.2, S.179-199
-
Vizine-Goetz, D.: DeweyBrowser (2006)
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- Date
- 28. 9.2008 19:16:29
- Theme
- Klassifikationssysteme im Online-Retrieval
-
Hajdu Barát, A.: Usability and the user interfaces of classical information retrieval languages (2006)
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- Source
- Knowledge organization for a global learning society: Proceedings of the 9th International ISKO Conference, 4-7 July 2006, Vienna, Austria. Hrsg.: G. Budin, C. Swertz u. K. Mitgutsch
- Theme
- Klassifikationssysteme im Online-Retrieval
-
Börner, K.: Atlas of knowledge : anyone can map (2015)
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- BK
- 02.10 Wissenschaft und Gesellschaft
- Classification
- 02.10 Wissenschaft und Gesellschaft
- Date
- 22. 1.2017 16:54:03
22. 1.2017 17:10:56
-
Palm, F.: QVIZ : Query and context based visualization of time-spatial cultural dynamics (2007)
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- Content
- Vortrag anlässlich des Workshops: "Extending the multilingual capacity of The European Library in the EDL project Stockholm, Swedish National Library, 22-23 November 2007".
- Date
- 20. 1.2008 17:28:29
-
Tufte, E.R.: Envisioning information (1990)
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- BK
- 70.03 Methoden, Techniken und Organisation der sozialwissenschaftlichen Forschung
- Classification
- 70.03 Methoden, Techniken und Organisation der sozialwissenschaftlichen Forschung
- Footnote
- Rez. in: College & research libraries 52(1991) S.382-383 (P. Wilson); Knowledge organization 20(1993) no.1, S.61-62 (M. Giesecke)
- Isbn
- 978-0-9613921-1-6
-
Osiñska, V.: Visual analysis of classification scheme (2010)
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- Content
- Teil von: Papers from Classification at a Crossroads: Multiple Directions to Usability: International UDC Seminar 2009-Part 2
- Date
- 6. 1.2011 19:29:12
-
Osinska, V.; Bala, P.: New methods for visualization and improvement of classification schemes : the case of computer science (2010)
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- Abstract
- Generally, Computer Science (CS) classifications are inconsistent in taxonomy strategies. t is necessary to develop CS taxonomy research to combine its historical perspective, its current knowledge and its predicted future trends - including all breakthroughs in information and communication technology. In this paper we have analyzed the ACM Computing Classification System (CCS) by means of visualization maps. The important achievement of current work is an effective visualization of classified documents from the ACM Digital Library. From the technical point of view, the innovation lies in the parallel use of analysis units: (sub)classes and keywords as well as a spherical 3D information surface. We have compared both the thematic and semantic maps of classified documents and results presented in Table 1. Furthermore, the proposed new method is used for content-related evaluation of the original scheme. Summing up: we improved an original ACM classification in the Computer Science domain by means of visualization.
- Date
- 22. 7.2010 19:36:46
-
Yi, K.; Chan, L.M.: ¬A visualization software tool for Library of Congress Subject Headings (2008)
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- Content
- The aim of this study is to develop a software tool, VisuaLCSH, for effective searching, browsing, and maintenance of LCSH. This tool enables visualizing subject headings and hierarchical structures implied and embedded in LCSH. A conceptual framework for converting the hierarchical structure of headings in LCSH to an explicit tree structure is proposed, described, and implemented. The highlights of VisuaLCSH are summarized below: 1) revealing multiple aspects of a heading; 2) normalizing the hierarchical relationships in LCSH; 3) showing multi-level hierarchies in LCSH sub-trees; 4) improving the navigational function of LCSH in retrieval; and 5) enabling the implementation of generic search, i.e., the 'exploding' feature, in searching LCSH.
- Source
- Culture and identity in knowledge organization: Proceedings of the Tenth International ISKO Conference 5-8 August 2008, Montreal, Canada. Ed. by Clément Arsenault and Joseph T. Tennis
-
Representation in scientific practice revisited (2014)
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- BK
- 30.02 Philosophie und Theorie der Naturwissenschaften
30.03 Methoden und Techniken in den Naturwissenschaften
- Classification
- 30.02 Philosophie und Theorie der Naturwissenschaften
30.03 Methoden und Techniken in den Naturwissenschaften
- Isbn
- 978-0-262-52538-1
-
Eckert, K.: Thesaurus analysis and visualization in semantic search applications (2007)
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- Abstract
- The use of thesaurus-based indexing is a common approach for increasing the performance of information retrieval. In this thesis, we examine the suitability of a thesaurus for a given set of information and evaluate improvements of existing thesauri to get better search results. On this area, we focus on two aspects: 1. We demonstrate an analysis of the indexing results achieved by an automatic document indexer and the involved thesaurus. 2. We propose a method for thesaurus evaluation which is based on a combination of statistical measures and appropriate visualization techniques that support the detection of potential problems in a thesaurus. In this chapter, we give an overview of the context of our work. Next, we briefly outline the basics of thesaurus-based information retrieval and describe the Collexis Engine that was used for our experiments. In Chapter 3, we describe two experiments in automatically indexing documents in the areas of medicine and economics with corresponding thesauri and compare the results to available manual annotations. Chapter 4 describes methods for assessing thesauri and visualizing the result in terms of a treemap. We depict examples of interesting observations supported by the method and show that we actually find critical problems. We conclude with a discussion of open questions and future research in Chapter 5.
- Imprint
- Mannheim : Fakultät für Mathematik und Informatik
- Theme
- Konzeption und Anwendung des Prinzips Thesaurus
-
Spero, S.: LCSH is to thesaurus as doorbell is to mammal : visualizing structural problems in the Library of Congress Subject Headings (2008)
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- Source
- Metadata for semantic and social applications : proceedings of the International Conference on Dublin Core and Metadata Applications, Berlin, 22 - 26 September 2008, DC 2008: Berlin, Germany / ed. by Jane Greenberg and Wolfgang Klas
-
Batorowska, H.; Kaminska-Czubala, B.: Information retrieval support : visualisation of the information space of a document (2014)
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- Source
- Knowledge organization in the 21st century: between historical patterns and future prospects. Proceedings of the Thirteenth International ISKO Conference 19-22 May 2014, Kraków, Poland. Ed.: Wieslaw Babik
