Jan Smits Map Curator Koninklijke Bibliotheek The Netherlands
Contents Definition of metadata Typology of metadata Resource description models The Dublin Core elements The Dublin Core Syntax Metadata generators Dublin Core description
Function of metadata Whether in the traditional context or in the Internet context, the key purpose of metadata is to facilitate and improve the retrieval of information. We have learnt to measure information retrieval in terms of recall and precision. If we miss a lot of relevant information, we have poor recall. If we get flooded by a lot of irrelevant information, we have poor precision.
Metadata ICA [Geo-spatial] metadata are data that describe the content, data definition and structural representation, extent (both geographic and temporal), spatial reference, quality, availability, status and administration of a geographic dataset.
Resource Description Models RFC 1807 Request For Comments (Consensus standard of the Internet Engineering Task Force IAFA Internet Anonymous FTP Archive SOIF Summary of Object Interchange Formats Dublin Core OCLC-driven
Townplans in The Netherlands The resulting table, because of its length, does not give a good general outline of the situation. Therefor we decided to construct two maps, one for the coverage of the municipalities and one for the coverage of publishers. It took some time before Simone Meijer, our trainee, had converted an administrative map of The Netherlands from Atlas Gis to Aldus Freehand 3.1. The next stage took some days -amongst others a conversion to Paint Shop Pro to create.GIF files- but the resulting choropleth and distribution maps satisfied our expectations bibliography. Ref 12 Map of the coverage of townplans, Depot map collection Koninklijke Bibliotheek (National Library of The Netherlands) per July 1, 1996.
Coverage of townplans, Depot map collection Koninklijke Bibliotheek (National Library of The Netherlands) per July 1, 1996.
DC-Description Coverage of townplans, map collection Koninklijke Bibliotheek (National Library of The Netherlands) per July 1, 1996 Ligue des Bibliothèques Europeènnes de Recherche, groupe des Cartothécaires de LIBER Coverage of townplans, Depot map collection Koninklijke Bibliotheek (National Library of The Netherlands) per July 1, 1996.
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