137 search results - page 25 / 28 » Efficient Processing of Top-k Spatial Preference Queries |
CIKM
2008
Springer
14 years 11 months ago
2008
Springer
People are thirsty for medical information. Existing Web search engines often cannot handle medical search well because they do not consider its special requirements. Often a medi...
157
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SIGMOD
2006
ACM
15 years 9 months ago
2006
ACM
Exact computation for aggregate queries usually requires large amounts of memory ? constrained in data-streaming ? or communication ? constrained in distributed computation ? and ...
157
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3DPVT
2006
IEEE
14 years 11 months ago
2006
IEEE
This paper introduces a feature based method for the fast generation of sparse 3D point clouds from multiple images with known pose. We extract sub-pixel edge elements (2D positio...
ICIP
2010
IEEE
14 years 7 months ago
2010
IEEE
We present an image retrieval system driven by free-hand sketched queries depicting shape. We introduce Gradient Field HoG (GF-HOG) as a depiction invariant image descriptor, enca...
GEOINFORMATICA
2007
14 years 9 months ago
2007
Nearest Neighbor (NN) search has been in the core of spatial and spatiotemporal database research during the last decade. The literature on NN query processing algorithms so far d...