Automating the Thematic Characterization of Geographic Resource Collections by Means of Topic Maps

Abstract

SUMMARY Spatial Data Infrastructures at national or higher levels usually comprise the access to multiple geographic data catalogs. However, with classical search systems it is difficult to have a clear idea of the information contained in the metadata holdings of these catalogs. Topic maps are representation systems that allow the access to data with emphasis in the find-ability. This paper describes a process to generate a hierarchical topic map from a collection of geographic metadata records and the uses that the generated topic map can have in the context of a spatial data infrastructure to facilitate the access to the data.

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