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Sander, C.; Schmiede, R.; Wille, R.: ¬Ein begriffliches Datensystem zur Literatur der interdisziplinären Technikforschung (1993)
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Bhattacharyya, G.: Classifying by UDC and CC: a comparative study (1972)
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- Source
- Paper presented at the DRTC seminar 9, 1971. 50 S
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Wille, R.: Denken in Begriffen : von der griechischen Philosophie bis zur Künstlichen Intelligenz heute (1993)
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-
Yitzhaki, M.: ¬A draft version of a consolidated thesaurus for the rapidly growing field of alternative medicine (2000)
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- Series
- 049-130-E+F+G+S
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Schöneberg, U.; Gödert, W.: Erschließung mathematischer Publikationen mittels linguistischer Verfahren (2012)
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-
Peponakis, M.; Mastora, A.; Kapidakis, S.; Doerr, M.: Expressiveness and machine processability of Knowledge Organization Systems (KOS) : an analysis of concepts and relations (2020)
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- Abstract
- This study considers the expressiveness (that is the expressive power or expressivity) of different types of Knowledge Organization Systems (KOS) and discusses its potential to be machine-processable in the context of the Semantic Web. For this purpose, the theoretical foundations of KOS are reviewed based on conceptualizations introduced by the Functional Requirements for Subject Authority Data (FRSAD) and the Simple Knowledge Organization System (SKOS); natural language processing techniques are also implemented. Applying a comparative analysis, the dataset comprises a thesaurus (Eurovoc), a subject headings system (LCSH) and a classification scheme (DDC). These are compared with an ontology (CIDOC-CRM) by focusing on how they define and handle concepts and relations. It was observed that LCSH and DDC focus on the formalism of character strings (nomens) rather than on the modelling of semantics; their definition of what constitutes a concept is quite fuzzy, and they comprise a large number of complex concepts. By contrast, thesauri have a coherent definition of what constitutes a concept, and apply a systematic approach to the modelling of relations. Ontologies explicitly define diverse types of relations, and are by their nature machine-processable. The paper concludes that the potential of both the expressiveness and machine processability of each KOS is extensively regulated by its structural rules. It is harder to represent subject headings and classification schemes as semantic networks with nodes and arcs, while thesauri are more suitable for such a representation. In addition, a paradigm shift is revealed which focuses on the modelling of relations between concepts, rather than the concepts themselves.
- Source
- International journal on digital libraries. 20(2020) no.4, S.433-452
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Balikova, M.: ¬The national bibliography of a small country in international context (2000)
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- Series
- 093-123-E+F+G+S
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Broughton, V.: ¬A new classification for the literature for religion (2000)
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- Series
- 034-130-E+G+S
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Stoklasova, B.: ¬The national bibliography of a small country in international context (2000)
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- Series
- 093-123-E+F+G+S
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Dietze, J.: Sachkatalogisierung in einem OPAC (1993)
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- Footnote
- Vgl. auch Beitrag gleichen Titels in: ZfBB 41(1994) H.3, S.297-303
-
Robertson, S.E.: OKAPI at TREC-1 (1994)
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- Abstract
- Describes the work carried out on the TREC-2 project following the results of the TREC-1 project. Experiments were conducted on the OKAPI experimental text information retrieval system which investigated a number of alternative probabilistic term weighting functions in place of the 'standard' Robertson Sparck Jones weighting functions used in TREC-1
- Pages
- 19 S
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Geißelmann, F.: Perspektiven für eine DDC-Anwendung in den Bibliotheksverbünden (1999)
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- Pages
- 7 S
- Type
- a
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Lehmann, F.: Semiosis complicates high-level ontology (2000)
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- Abstract
- For automated question-answering, natural-language understanding, semantic integration of different databases/standards/thesauri/etc., you need a big complicated ontology of concepts and a logical language to combine them. Cyc (www.cyc.com) is such a system. It's good for your upper ontology to be systematic and clear, One way is to have a small number of well-defined distinctions at the top, by which all more specific concepts are partitioned. This is a system of "factors", or "facets" in Ranganathan's sense Iyer 1995) much like Aristotle's "differentia" in his "categories", as promoted in John Sowa's "ontological crystal". Practical considerations have driven Cyc's builders to mess up the neatness of such upper divisions. In particular, the simplicity of some very high "factors" is confounded, for practical use, by the occurrence in our world of semiosis and representation This talk will report on some of our experiences
- Pages
- 7 S
-
Kemp, A. de: Information provision : a publisher's point of view in changing times and with new technologies (1993)
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- Pages
- 8 S
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Witt, M.: Survey on the use of the catalogue at the médiathèque of the cité des sciences et de l'industrie (CSI) (1993)
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- Abstract
- An exploratory research study on OPACs was done within the framework of the French PARINFO program by four different teams: ENSSIB-CERSI, City Univ. of London, Médiathèque of the Cité des Sciences et de l'industrie and a firm GSI-ERLI. During the month of June 1992, 650 individual searches on four terminals were collected. The sessions were automatically recorded, accompanied by two online questionnaires, a pre-search and a post-search questionnaire. Some questions were asked orally by an interviewer and the answers noted. The article analyses the researches perceived by user as difficult or impossible. Some examples of the difficulties are given
- Pages
- 9 S
-
Hobohm, H.-C.: Zensur in der Digitalität - eine Überwindung der Moderne? : Die Rolle der Bibliotheken (2020)
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Isaac, A.; Raemy, J.A.; Meijers, E.; Valk, S. De; Freire, N.: Metadata aggregation via linked data : results of the Europeana Common Culture project (2020)
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Stephan, W.: Guidelines for subject authority and reference entries (GSARE) : a first step to a worldwide accepted standard (1992)
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Slavic, A.: Interface to classification : some objectives and options (2006)
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- Abstract
- This is a preprint to be published in the Extensions & Corrections to the UDC. The paper explains the basic functions of browsing and searching that need to be supported in relation to analytico-synthetic classifications such as Universal Decimal Classification (UDC), irrespective of any specific, real-life implementation. UDC is an example of a semi-faceted system that can be used, for instance, for both post-coordinate searching and hierarchical/facet browsing. The advantages of using a classification for IR, however, depend on the strength of the GUI, which should provide a user-friendly interface to classification browsing and searching. The power of this interface is in supporting visualisation that will 'convert' what is potentially a user-unfriendly indexing language based on symbols, to a subject presentation that is easy to understand, search and navigate. A summary of the basic functions of searching and browsing a classification that may be provided on a user-friendly interface is given and examples of classification browsing interfaces are provided.
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Jaenecke, P.: Knowledge organization due to theory formation (1995)
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- Abstract
- Theory formation is regarded as a process of domain-internal knowledge organization. Misunderstandings about the concept 'theory' are explained. A theory is considered as a systematical representation of a domain realized by three closely related theory-forming actions: establishment of a suitable system of basic concepts, ordering of the experience or given experimental results, synthesizing of conflicting hypotheses. In this view, theory formation means an ambitious kind of knowledge representation. Its consequences are summarized and its importance for the human sciences and for society is emphasized
