1923 search results - page 251 / 385 » Ranking in Spatial Databases |
142
Voted
WWW
2008
ACM
16 years 4 months ago
2008
ACM
This paper presents PrivacyGrid - a framework for supporting anonymous location-based queries in mobile information delivery systems. The PrivacyGrid framework offers three unique...
181
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SSD
2001
Springer
15 years 8 months ago
2001
Springer
The problem of mining spatiotemporal patterns is finding sequences of events that occur frequently in spatiotemporal datasets. Spatiotemporal datasets store the evolution of object...
175
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EDBT
2011
ACM
14 years 7 months ago
2011
ACM
GPS devices allow recording the movement track of the moving object they are attached to. This data typically consists of a stream of spatio-temporal (x,y,t) points. For applicati...
144
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CVPR
2006
IEEE
16 years 5 months ago
2006
IEEE
In this paper we consider the problem of segmenting multiple rigid motions using multi?frame point correspondence data. The main idea of the method is to group points according to...
120
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ICASSP
2009
IEEE
15 years 10 months ago
2009
IEEE
The problem of content-based image and video retrieval with textual queries is often posed as that of visual concept classification, where classifiers for a set of predetermined...