101. Deutscher Bibliothekartag in Hamburg 2012
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Geographic facets : a new way of searching for library catalogs based on search engine technology
(2012)
In current catalogs, only a fraction of the information stored in subject authority records is actually made use of, although it could significantly enhance retrieval. The ISO country codes, which are recorded not only for geographic subject headings but also e.g. for persons, can be used for limiting a search geographically. As a first approach to integrating these country codes into the retrieval, a geographic facet can be introduced. This has been implemented in the catalogs of the Heidelberg and the Mannheim University Library, which are both based on search engine technology.