100 search results - page 19 / 20 » Query processing in a geographic mediation system |
GIS
2005
ACM
14 years 7 months ago
2005
ACM
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...
GIS
2006
ACM
14 years 7 months ago
2006
ACM
If you were told that some object A was perfectly (or somewhat, or not at all) in some direction (e.g., west, above-right) of some reference object B, where in space would you loo...
SEMWEB
2007
Springer
14 years 13 days ago
2007
Springer
This paper summarizes the results of the X-SOM tool in the OAEI 2007 campaign. X-SOM is an extensible ontology mapper that combines various matching algorithms by means of a feed-f...
DEXA
2004
Springer
13 years 11 months ago
2004
Springer
Data integration is the process that gives users access to multiple data sources though queries against a global schema. Semantic heterogeneity has been identified as the most imp...
DILS
2009
Springer
13 years 10 months ago
2009
Springer
Abstract. Data integration plays a major role in modern Life Sciences research primarily because required resources are geographically distributed across continents and experts dep...