Geographic Information Science Third International Conference, GI Science 2004 Adelphi, MD, USA, October 20-23, 2004 Proceedings / edited by Max J. Egenhofer, Christian Freksa, Harvey J. Miller.
This section gives a description of notions used throughout this study. Current achievements in developing action-centered ontologies are also discussed. 2.1 Ontologies In the context of information extraction and retrieval, different kinds of ontologies can be distinguished [15]: • Top-level ontolo...
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