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Abstract

SIPORbase, the System for Indexing in Portuguese, was developed by the National Library of Portugal, based on the LCSH. In contrast to the Brunet-Parguez system used in France, SIPORbase is a coextensive indexing language. Its initial application in 1989 to current bibliography has been extended to the collection of codices. Experience with manuscripts only indicates a high degree of relevance in retrieval, from the several hundred subject headings created so far

Content

Revised version of a presentation given at a LIBER workshop on The Brunet-Parguez system for subject indexing of ancient books, held in Toulouse in Feb 1994

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Abstract

A general discussion of the chief points to consider in the implementation and management of a CD-ROM service, covering choice of database (bibliographic / whole text, relevance, currency); hardware (work station, system); costs (CD-ROM prices, installation of the service); location; networking; management of the service (access policy); staff training; users (likely problems and training); promotion; impact on the library (increased use) and evaluation

Footnote

Übers. d. Titels: CD-ROM in library and information services

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Abstract

In Brazil, librarianship courses focus on practical applications of information retrieval tools (thesauri, classification schemes) and exclude theory and methodology, so students are not equipped to develop new tools or evaluate existing ones. Proposes a knowledge base drawing on both classification theory (Ranganathan) and theories about knowledge (Wüster), thus using both hierarchical and relational approaches to organising concepts, to establish a dynamic theory of knowledge as methodology for the study of documentation languages

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Abstract

Report on research carried out in Brazil for a doctoral thesis, investigating the possibility of using the PRECIS indexing system for documents in Portuguese. Discusses the theoretical basis of PRECIS, and presents the resultss of a study in comparing the use PRECIS to index 2 samples of documents, in English and Portuguese respectively. Concludes that, with minor modifications to take account of the differences in structure between the 2 languages. PRECIS could produce satisfactory results for documents in Portuguese. This suggests the further possibility that PRECIS - because of its sound logical basis rather than its complex linguistic theory - could become a multilingual indexing system.

Theme

Preserved Context Index System (PRECIS)

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Source

Revista da Escola de Biblioteconomia da UFMG. 22(1993), no.2, S.133-167

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Abstract

Hypertexts are electronic documents divided into interconnected fragments of text, which can be accessed directly thus evading the limitations of the linear structure of printed documents. The user can interact dynamically with the information and establish new relations. Describes the component features of such systems (hard and software) in relation to their applications (macro-literary, problem exploration, generic). The advantages of flexible organisation of texts, reference linkage and simultaneous access outweigh such disadvantages as the problem of constructing systems for a range of diverse user needs, making hypertext a significant aid to creative thinking