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Abstract

This 1993 edition is the authoritative guide constructing single-language thesauri, one of the most powerful tools for information retrieval. Written by experts, Z39.19 shows how to formulate descriptors, establish relationships among terms, and present the information in print and on a screen. Also included are thesaurus maintenance procedures and recommended features for thesaurus management systems

Footnote

Rez. in: Knowledge organization 22(1995) no.3/4, S.180-181 (M. Hudon)

Theme

Konzeption und Anwendung des Prinzips Thesaurus

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Abstract

T.1: Today's thesauri are mostly electronic tools, having moved on from the paper-based era when thesaurus standards were first developed. They are built and maintained with the support of software and need to integrate with other software, such as search engines and content management systems. Whereas in the past thesauri were designed for information professionals trained in indexing and searching, today there is a demand for vocabularies that untrained users will find to be intuitive. ISO 25964 makes the transition needed for the world of electronic information management. However, part 1 retains the assumption that human intellect is usually involved in the selection of indexing terms and in the selection of search terms. If both the indexer and the searcher are guided to choose the same term for the same concept, then relevant documents will be retrieved. This is the main principle underlying thesaurus design, even though a thesaurus built for human users may also be applied in situations where computers make the choices. Efficient exchange of data is a vital component of thesaurus management and exploitation. Hence the inclusion in this standard of recommendations for exchange formats and protocols. Adoption of these will facilitate interoperability between thesaurus management systems and the other computer applications, such as indexing and retrieval systems, that will utilize the data. Thesauri are typically used in post-coordinate retrieval systems, but may also be applied to hierarchical directories, pre-coordinate indexes and classification systems. Increasingly, thesaurus applications need to mesh with others, such as automatic categorization schemes, free-text search systems, etc. Part 2 of ISO 25964 describes additional types of structured vocabulary and gives recommendations to enable interoperation of the vocabularies at all stages of the information storage and retrieval process.
T.2: The ability to identify and locate relevant information among vast collections and other resources is a major and pressing challenge today. Several different types of vocabulary are in use for this purpose. Some of the most widely used vocabularies were designed a hundred years ago and have been evolving steadily. A different generation of vocabularies is now emerging, designed to exploit the electronic media more effectively. A good understanding of the previous generation is still essential for effective access to collections indexed with them. An important object of ISO 25964 as a whole is to support data exchange and other forms of interoperability in circumstances in which more than one structured vocabulary is applied within one retrieval system or network. Sometimes one vocabulary has to be mapped to another, and it is important to understand both the potential and the limitations of such mappings. In other systems, a thesaurus is mapped to a classification scheme, or an ontology to a thesaurus. Comprehensive interoperability needs to cover the whole range of vocabulary types, whether young or old. Concepts in different vocabularies are related only in that they have the same or similar meaning. However, the meaning can be found in a number of different aspects within each particular type of structured vocabulary: - within terms or captions selected in different languages; - in the notation assigned indicating a place within a larger hierarchy; - in the definition, scope notes, history notes and other notes that explain the significance of that concept; and - in explicit relationships to other concepts or entities within the same vocabulary. In order to create mappings from one structured vocabulary to another it is first necessary to understand, within the context of each different type of structured vocabulary, the significance and relative importance of each of the different elements in defining the meaning of that particular concept. ISO 25964-1 describes the key characteristics of thesauri along with additional advice on best practice. ISO 25964-2 focuses on other types of vocabulary and does not attempt to cover all aspects of good practice. It concentrates on those aspects which need to be understood if one of the vocabularies is to work effectively alongside one or more of the others. Recognizing that a new standard cannot be applied to some existing vocabularies, this part of ISO 25964 provides informative description alongside the recommendations, the aim of which is to enable users and system developers to interpret and implement the existing vocabularies effectively. The remainder of ISO 25964-2 deals with the principles and practicalities of establishing mappings between vocabularies.

Theme

Konzeption und Anwendung des Prinzips Thesaurus

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Date

14. 8.2011 13:33:22

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Abstract

Am Anfang war das Wort. Sehr viel später erfand ein gewisser Herr Gutenberg ein Handgießinstrument zur Herstellung von Drucktypen. Und was sich daraus entwickelte, ist bekannt: Die moderne Informations- und Kommunikationsgesellschaft, deren Dynamik nicht zuletzt von der Effektivität der Daten-, Dokumenten- und Schriftgutverwaltung abhängt. Beim DIN-Taschenbuch 343 Bibliotheks- und Dokumentationswesen handelt es sich um ein Normenkompendium, das genau diese Verfahren aufgreift: Es stellt der interessierten Fachöffentlichkeit insgesamt 22 nationale und internationale Normen der Bereiche "Gestaltung und Erschließung von Dokumenten", "Bibliotheksmanagement", "Codierungs- und Nummerungssysteme" sowie "Bestandserhaltung in Archiven und Bibliotheken" vor. Die Auswahl der Normen verdeutlicht zweierlei: Zum einen den Einfluss der sich ständig weiterentwickelnden und dabei konvergierenden Technologien, der u.a. das Publizieren und die Datenrecherche beeinflusst. Zum zweiten die Notwendigkeit, neue Anforderungen zu berücksichtigen, die sich aus dem stetig zunehmenden internationalen Datenaustausch ergeben. Das DIN-Taschenbuch verschafft einen genauen Überblick über den Zusammenhang zwischen einschlägigen DIN- und ISO-Normen und klärt über Namencodes von Ländern und deren Untereinheiten auf (DIN ISO 3166-2:2001). Komplettiert wird das Werk durch den vollständigen Abdruck des DINFachberichts 13 "Bau- und Nutzungplanung von wissenschaftlichen Bibliotheken". Dort werden Bibliotheken als Servicezentren verstanden, die zunehmend digitalisierte Informationsquellen bereit stellen.

Content

Enthält 22 vollständig abgedruckte nationale und internationale Normen für die Bereiche Archiv-, Bibliotheks-, Dokumentations-, Museums- und Verlagswesen

Footnote

Rez. in: ABI-Technik 21(2002) H.3, S.294-295 (K. Weishaupt); "Im Deutschen Institut für Normung ist der Normenausschuss Bibliotheks- und Dokumentationswesen (NABD) verantwortlich für die nationale Normung für das Erstellen, Publizieren, Erschließen, Erhalten, Wiederauffinden, Vermitteln und die Nutzung von Dokumenten, Daten und Schriftgut für die Bereiche Archiv-, Bibliotheks, Dokumentations-, Museumsund Verlagswesen. Mit dem neuen DIN-Taschenbuch will er einen Überblick über die DIN-Normen geben, die in den letzten Jahren auf internationaler Ebene unter aktiver deutscher Mitarbeit veröffentlicht, dann als DIN-Normen übernommen worden sind und die den veränderten Anforderungen der Informations- und Kommunikationsgesellschaft Rechnung tragen - so die eigenen Angaben des Ausschusses im Vorwort (S. XI). Vor dem Hintergrund dieses recht offen formulierten Anspruches kommt es zu einer Zusammenstellung von 22 Normen, die auf den ersten Blick recht bunt gemischt wirkt: Abgedruckt sind Normen zur Erstellung und Weiterentwicklung von Thesauri, zu Titelangaben von Dokumenten, Kürzungs- und Transliterationsregeln, Sortierregeln, Abschnittsnummerierungen, Ländernamen, zur ISBN, ISSN sowie den Standardnummern ISMN und ISWC für Musikalien, zu Leistungsindikatoren für Bibliotheken und zu Lebensdauer-Klassen von Papier und Karton, Anforderungen an die Aufbewahrung von Archiv- und Bibliotheksgut und zur Alterungsbeständigkeit von Schriften. Der DIN-Fachbericht "Bau- und Nutzungsplanung von wissenschaftlichen Bibliotheken" rundet das Werk ab. Negativ ausgedrückt: Es wird niemanden geben, der für seinen beruflichen Alltag all diese Normen benötigt. Die positive Sicht: Das DIN-Taschenbuch deckt so viele Themen ab, dass der Kreis der Interessierten recht groß sein dürfte. Auf alle Fälle ist beeindruckend, zu wie vielen Themen aus den Bereich des Bibliotheks- und Dokumentationswesens es Normen gibt; vermutlich ist deren Existenz nicht einmal der Fachöffentlichkeit in vollem Umfang bekannt. Ein solches Beispiel ist DIN 1505, Teil 2: "Titelangaben von Dokumenten: Zitierregeln"; diese Norm wendet sich "an Autoren, Verleger und Redakteure und soll für Literaturzusammenstellungen, für Literaturverzeichnisse am Ende einer Schrift bzw. eines Beitrags, im Kontext oder in Fußnoten benutzt werden" (S. 38). Damit ist sie praktisch für alle relevant, die wissenschaftlich arbeiten und Texte schreiben - aber kaum jemand kennt diese Norm! Viele Zeitschriften und Fachgesellschaften haben ihre eigenen Regeln, nach denen zitiert werden soll. Im Institut Arbeit und Technik in Gelsenkirchen ist vor einigen Jahren mit Förderung der Deutschen Forschungsgemeinschaft die Software LibLink entwickelt worden, mit der aus MAB-Daten, die aus einem Bibliothekskatalog exportiert worden waren, automatisiert Literaturverzeichnisse für wissenschaftliche Texte erstellt werden sollten.