1529 search results - page 215 / 306 » Querying for meta knowledge |
252
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MDM
2009
Springer
16 years 28 days ago
2009
Springer
Location monitoring systems are used to detect human activities and provide monitoring services, e.g., aggregate queries. In this paper, we consider an aggregate location monitori...
189
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ICDE
2012
IEEE
13 years 8 months ago
2012
IEEE
— Location-based services (LBS) have been widely accepted by mobile users. Many LBS users have direction-aware search requirement that answers must be in a search direction. Howe...
219
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INFOCOM
2012
IEEE
13 years 8 months ago
2012
IEEE
—Location sharing is a fundamental component of mobile online social networks (mOSNs), which also raises significant privacy concerns. The mOSNs collect a large amount of locati...
177
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ICCV
2009
IEEE
16 years 11 months ago
2009
IEEE
This paper proposes a generic method for action recognition
in uncontrolled videos. The idea is to use images
collected from the Web to learn representations of actions
and use ...
178
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ICIP
2005
IEEE
16 years 8 months ago
2005
IEEE
This paper addresses the problem of matching visual parts of video sequences from within a large collection. The visual content of a video sequence is described by the set of the ...