403 search results - page 22 / 81 » Constraint Databases and Geographic Information Systems |
108
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SUM
2007
Springer
15 years 5 months ago
2007
Springer
Abstract. We present the Consistency Extractor System (ConsEx) that uses answer set programming to compute consistent answers to first-order queries posed to relational databases ...
124
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TDP
2010
14 years 6 months ago
2010
The widespread adoption of location-based services (LBS) raises increasing concerns for the protection of personal location information. A common strategy, referred to as obfuscati...
SSDBM
2003
IEEE
15 years 5 months ago
2003
IEEE
MoBIoS is a specialized database management system whose storage manager is based on metric-space indexing, and whose query language entails biological data types. When relational...
108
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EDBT
2004
ACM
15 years 5 months ago
2004
ACM
Qualitative spatial reasoning forms an important part of the commonsense reasoning required for building intelligent Geographical Information Systems (GIS). Previous research has c...
112
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GIS
2010
ACM
14 years 9 months ago
2010
ACM
Mobile intention recognition is the problem of inferring a mobile user's intentions from her behavior in geographic space. Such behavior is constrained in space and time. Cur...