3456 search results - page 182 / 692 » Semantics in Spatial Databases |
102
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MDM
2004
Springer
15 years 7 months ago
2004
Springer
In this paper, we consider a data model for uncertain trajectories of moving objects. In our model, the trajectory is a vector of uniform stochastic processes. We study “univers...
103
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ICIP
1998
IEEE
16 years 3 months ago
1998
IEEE
The rapid growth of visual data over the last few years has lead to many schemes for retrieving such data. With content-based systems today, there exists a significant gap between...
128
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ESCAPE
2007
Springer
15 years 8 months ago
2007
Springer
We propose two new data stream models: the reset model and the delta model, motivated by applications to databases, and to tracking the location of spatial points. We present algor...
112
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WWW
2003
ACM
16 years 2 months ago
2003
ACM
Much attention has been accorded to Location-Based Services and location tracking, a necessary component in active, trigger-based LBS applications. Tracking the location of a larg...
PSIVT
2007
Springer
15 years 8 months ago
2007
Springer
Content-based image retrieval (CBIR) is currently limited because of the lack of representational power of the low-level image features, which fail to properly represent the actual...