641 search results - page 23 / 129 » Ontology-Driven Geographic Information Systems |
CLEF
2006
Springer
13 years 11 months ago
2006
Springer
This paper details the participation of the XLDB group from the University of Lisbon at the GeoCLEF task of CLEF 2006. We tested text mining methods that make use of an ontology t...
IFIP
1994
Springer
13 years 11 months ago
1994
Springer
In recent years, systems for processing environmental information have been evolving from research and development systems to practical applications. Today, many of these systems ...
SAC
2009
ACM
14 years 7 days ago
2009
ACM
Information systems often require combining datasets available in different formats, and geographical information systems are no exception. While semantic technologies have been u...
INFOVIS
1998
IEEE
13 years 11 months ago
1998
IEEE
Geographic Visualization, sometimes called cartographic visualization, is a form of information visualization in which principles from cartography, geographic information systems ...
AVI
2000
13 years 9 months ago
2000
To support users in querying geographic databases we have developed a system that lets people sketch what they are looking for. It closes the gap between user and information syst...