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  • × author_ss:"Dextre Clarke, S.G."
  1. Dextre Clarke, S.G.: ¬The last 50 years of knowledge organization : a journey through my personal archives (2009) 0.01 
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    Field
    Informationswissenschaft
  2. Dextre Clarke, S.G.: Planning controlled vocabularies for the UK public sector (2003) 0.00 
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    Abstract
    In the UK, the aim to make public sector information much more available to the citizen has led to establishment of an "e-Govemment Interoperability Framework" based an a set of core standards. Among the standards is a controlled vocabulary, known as the Govemment Category List (GCL), used to select keywords for the metadata of all electronic resources originating from central or local govemment. The GCL is a small and simple taxonomy, designed to facilitate high-level browsing rather than deep searching. Specialized thesauri for particular subject areas may optionally complement the GCL. To ease the indexing burden, GCL terms will often be selected by direct mapping from the specialized vocabularies.
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  3. Dextre Clarke, S.G.: Evolution towards ISO 25964 : an international standard with guidelines for thesauri and other types of controlled vocabulary (2007) 0.00 
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    Abstract
    Die geschichtliche Entwicklung von ISO 2788: Documentation - Guidelines for the establishment and development of monolingual thesauri und ISO 5964: Documentation - Guidelines for the establishment and development of multilingual thesauri wird kurz beschrieben. 2001 begann die Arbeit an der Entwicklung von BS 8723: Structured Vocabularies for Information Retrieval - Guide, einer fünfteiligen Norm, die konzipiert wurde, um die internationalen Normen zu aktualisieren, insbesondere mit Hinblick auf Interoperabilität. Der Verfahrensablauf zur Übernahme von BS 8723 als internationale Norm hat begonnen.
    Date
    8.12.2007 19:25:22
    Source
    Information - Wissenschaft und Praxis. 58(2007) H.8, S.441-444
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  4. Dextre Clarke, S.G.; Gilchrist, A.; Will, L.: Revision and extension of thesaurus standards (2004) 0.00 
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    Abstract
    The current standards for monolingual and multilingual thesauri are long overdue for an update. This applies to the international standards ISO 2788 and ISO 5964, as well as the corresponding national standards in several countries and the American standard ANSI/NISO Z39.19. Work is now under way in the UK and in the USA to revise and extend the standards, with particular emphasis on interoperability needs in our world of vast electronic networks. Work in the UK is starting with the British Standards, in the hope of leading on to one international standard to serve all. Some of the issues still under discussion include the treatment of facet analysis, coverage of additional types of controlled vocabulary such as classification schemes, taxonomies and ontologies, and mapping from one vocabulary to another. 1. Are thesaurus standards still needed? Since the 1960s, even before the renowned Cranfield experiments (Cleverdon et al., 1966; Cleverdon, 1967) arguments have raged over the usefulness or otherwise of controlled vocabularies. The case has never been proved definitively one way or the other. At the same time, a recognition has become widespread that no one search method can answer all retrieval requirements. In today's environment of very large networks of resources, the skilled information professional uses a range of techniques. Among these, controlled vocabularies are valued alongside others. The first international standard for monolingual thesauri was issued in 1974. In those days, the main application was for postcoordinate indexing and retrieval from document collections or bibliographic databases. For many information professionals the only practicable alternative to a thesaurus was a classification scheme. And so the thesaurus developed a strong following. After computer systems with full text search capability became widely available, however, the arguments against controlled vocabularies gained more followers. The cost of building and maintaining a thesaurus or a classification scheme was a strong disincentive. Today's databases are typically immense compared with those three decades ago. Full text searching is taken for granted, not just in discrete databases but across all the resources in an intranet or even the Internet. But intranets have brought particular frustration as users discover that despite all the computer power, they cannot find items which they know to be present an the network. So the trend against controlled vocabularies is now being reversed, as many information professionals are turning to them for help. Standards to guide them are still in demand.
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  5. Dextre Clarke, S.G.: Thesaural relationships (2001) 0.00 
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    Date
    22. 9.2007 15:45:57
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  6. Dextre Clarke, S.G.: Teil 1 der Thesaurus-Norm ISO 25964 veröffentlicht (2012) 0.00 
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    Abstract
    Die neue internationale Thesaurus-Norm ISO 25964-1 ersetzt die Normen ISO 2788 und ISO 5964. Ihr englischer Titel lautet "Information and documentation - Thesauri and interoperability with other vocabularies - Part 1: Thesauri for information retrieval". Die Norm umfasst ein- und mehrsprachige Thesauri und berück sichtigt die Notwendigkeit von Datenaustausch, Vernetzung und Interoperabilität. Zu den Inhalten gehören - Konstruktion ein- und mehrsprachiger Thesauri - Unterschied zwischen Begriff und Benennung und ihren Beziehungen - Facettenanalyse und Layout - Einsatz von Thesauri in computergestützten und vernetzten Systemen - Management und Pflege von Thesauri - Richtlinien für Thesaurusmanagement-Software - Datenmodell für ein- und mehrsprachige Thesauri - Empfehlungen
    Source
    Information - Wissenschaft und Praxis. 63(2012) H.2, S.122-123
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  7. Aitchison, J.; Dextre Clarke, S.G.: ¬The Thesaurus : a historical viewpoint, with a look to the future (2004) 0.00 
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    Date
    22. 9.2007 15:46:13
    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  8. Dextre Clarke, S.G.; Will, L.D.; Cochard, N.: ¬The BS8723 thesaurus data model and exchange format, and its relationship to SKOS (2008) 0.00 
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    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  9. Dextre Clarke, S.G.: Challenges and opportunities for KOS standards (2007) 0.00 
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    Date
    22. 9.2007 15:41:14
  10. Dextre Clarke, S.G.; Vernau, J.: ¬The thesaurus debate continues : guest editorial (2016) 0.00 
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    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  11. Dextre Clarke, S.G.; Vernau, J.: Questions and answers on current developments inspired by the thesaurus tradition : points of view (2016) 0.00 
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    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  12. Dextre Clarke, S.G.: Overview of ISO NP 25964 : structured vocabularies for information retrieval (2007) 0.00 
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    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  13. Dextre Clarke, S.G.: In pursuit of interoperability : can we standardize mapping types? (2011) 0.00 
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    Series
    Bibliotheca Academica - Reihe Informations- und Bibliothekswissenschaften; Bd. 1
  14. Dextre Clarke, S.G.: ¬The Information Retrieval Thesaurus (2019) 0.00 
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    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  15. Dextre Clarke, S.G.: Origins and trajectory of the long thesaurus debate (2016) 0.00 
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    Theme
    Konzeption und Anwendung des Prinzips Thesaurus
  16. Dextre Clarke, S.G.: Thesauri, topics and other structures in knowledge management software (2000) 0.00 
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    Date
    22. 9.2007 15:45:45

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  • e 14
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