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Abstract

The Digital Object Identifier (DOI) has been developed by the academic technical and medical publishing sectors to enable the management of access rights to information published electronically. The DOI system has evolved from the physical documentary unit identifiers developed in the 1970, physical and document logical unit identifiers developed in the 1980s and recently modified to meet the needs of electronic distribution. This experience is integrated into the standardization, currently in progress on the Internet network, of the identification of resources and their localization. The DOI system is potentially the object of an international standard as the ISBN and the ISSN have been

Date

22. 1.1999 19:29:22

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Abstract

Defines retrospective conversion, discusses the origins of the term and describes developments during the 80s. Discusses objectives of retrospective conversion, techniques of data capture and conversion in house as opposed to conversion by an outside specialist. Stresses the need for planning, possible problems, the choice of standards and of bibliographic storage

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Abstract

Bibliographic information adds value to primary documents by facilitating access to them. The extension of classic library catalogues to give access to electronic documents can be achieved by a single link as with the recent addition of a specific field to the MARC format. Other approaches are being tested in other communities of users by the introduction of added value information in the electronic document itself using the format of the document. These are contributing to the construction of the libraries and archives of tomorrow

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Abstract

Secondary information, e.g. MARC based bibliographic records, comprises structured data for identifying, tagging, retrieving and management of primary documents. SGML, the standard format for coding content and structure of primary documents, was introduced in 1986 as a publishing tool but is now being applied to bibliographic records. SGML now comprises standard definitions (DTD) for books, serials, articles and mathematical formulae. A simplified version (HTML) is used for Web pages. Pilot projects to develop SGML as a standard for bibliographic exchange include the Dublin Core, listing 13 descriptive elements for Internet documents; the French GRISELI programme using SGML for exchanging grey literature and US experiments on reformatting USMARC for use with SGML-based records