Geographic Information Science Third International Conference, GI Science 2004 Adelphi, MD, USA, October 20-23, 2004 Proceedings /

• Corporate Author: SpringerLink (Online service)
• Other Authors: Egenhofer, Max J. (Editor, http://id.loc.gov/vocabulary/relators/edt), Freksa, Christian (Editor, http://id.loc.gov/vocabulary/relators/edt), Miller, Harvey J. (Editor, http://id.loc.gov/vocabulary/relators/edt)
• Format: Electronic eBook
• Language: English
• Published: Berlin, Heidelberg : Springer Berlin Heidelberg : Imprint: Springer, 2004.
• Edition: 1st ed. 2004.
• Series: Lecture Notes in Computer Science, 3234
• Subjects: Geographical information systems.; Database management.; Application software.; Information storage and retrieval.; Multimedia information systems.; Earth sciences.; Geographical Information Systems/Cartography.; Database Management.; Information Systems Applications (incl. Internet).; Information Storage and Retrieval.; Multimedia Information Systems.; Earth Sciences, general.

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...