3456 search results - page 419 / 692 » Semantics in Spatial Databases |
172
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PR
2002
15 years 6 months ago
2002
In this paper, we present a method to represent achromatic and chromatic image signals independently for content-based image indexing and retrieval for image database applications...
213
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EDBT
2012
ACM
13 years 9 months ago
2012
ACM
The range searching problem is fundamental in a wide spectrum of applications such as radio frequency identification (RFID) networks, location based services (LBS), and global po...
260
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
Nearest neighbor queries are important in many settings, including spatial databases (Find the k closest cities) and multimedia databases (Find the k most similar images). Previou...
186
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WWW
2008
ACM
16 years 7 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...
232
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SSD
2001
Springer
15 years 11 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...