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Date

14. 8.2011 13:33:22

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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.

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Abstract

This standard provides the basic terms and their definitions in the field of information and documentation for the purpose of promoting and facilitating knowledge sharing and information exchange. This International Standard presents terms and definitions of selected concepts relevant to the field of information and documentation. If a definition is from other standards, the priority of selection is TC46 technical standards, then technical standards in relevant field, and then terminology related standards. The scope of this International Standard corresponds to that of ISO/TC46, Standardization of practices relating to libraries, documentation and information centres, publishing, archives, records management, museum documentation, indexing and abstracting services, and information science. ISO 5127 was prepared by Technical Committee ISO/TC 46, Information and Documentation, WG4, Terminology of information and documentation. This second edition cancels and replaces the first edition (ISO 5127:2001), which has been technically revised to overcome problems in the practical application of ISO 5127:2001 and to take account of the new developments in the field of information and documentation.