254 search results - page 3 / 51 » Perspectives on ontology-based querying |
COOPIS
2002
IEEE
13 years 10 months ago
2002
IEEE
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
CLEF
2008
Springer
13 years 7 months ago
2008
Springer
This paper describes our participation in GeoCLEF. Being different from the traditional information retrieval, we focus more on the query expansion instead of document ranking. We ...
GISCIENCE
2008
Springer
13 years 6 months ago
2008
Springer
Geospatial data sharing is an increasingly important subject as large amount of data is produced by variety of sources, stored in incompatible formats, and accessible through diffe...
SWAP
2007
13 years 7 months ago
2007
Abstract. Recent research showed the benefits of adopting formal ontologies as a means for accessing heterogeneous data sources. The use of an ontology not only provides a uniform...
ICALT
2006
IEEE
13 years 11 months ago
2006
IEEE
