259 search results - page 34 / 52 » An inconsistency tolerant approach to querying spatial datab... |
142
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
Sub-image search with high accuracy in natural images still remains a challenging problem. This paper proposes a new feature vector called profile for a keypoint in a bag of visual...
302
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ICDE
2008
IEEE
16 years 7 months ago
2008
IEEE
In a mobile service scenario, users query a server for nearby points of interest but they may not want to disclose their locations to the service. Intuitively, location privacy may...
258
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GIS
2007
ACM
16 years 7 months ago
2007
ACM
Many Geographic Information System (GIS) applications must handle large geospatial datasets stored in raster representation. Spatial joins over raster data are important queries i...
260
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ICDE
2006
IEEE
16 years 7 months ago
2006
IEEE
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
167
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SSD
1997
Springer
15 years 10 months ago
1997
Springer
Abstract: In many geographical applications there is a need to model spatial phenomena not simply by sharp objects but rather through indeterminate or vague concepts. To support su...