152 search results - page 25 / 31 » Semantic Integrity Constraints for Spatial Databases |
120
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SAC
2008
ACM
14 years 11 months ago
2008
ACM
Because of the large amount of trajectory data produced by mobile devices, there is an increasing need for mechanisms to extract knowledge from this data. Most existing works have...
172
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ICDE
2001
IEEE
16 years 1 months ago
2001
IEEE
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
106
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CIKM
2001
Springer
15 years 4 months ago
2001
Springer
As mobile devices get ubiquitous and grow in computational power, their management of interdependent data also becomes increasingly important. The mobile environment exhibits all ...
115
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KDD
2005
ACM
16 years 4 days ago
2005
ACM
Web users display their preferences implicitly by navigating through a sequence of pages or by providing numeric ratings to some items. Web usage mining techniques are used to ext...
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...