9683 search results - page 598 / 1937 » Predicting query performance |
243
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CIVR
2004
Springer
16 years 20 days ago
2004
Springer
Abstract. Much previous work on image retrieval has used global features such as colour and texture to describe the content of the image. However, these global features are insuffi...
211
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SSD
2007
Springer
2007
Springer
Blind Evaluation of Nearest Neighbor Queries Using Space Transformation to Preserve Location Privacy
16 years 1 months ago
In this paper we propose a fundamental approach to perform the class of Nearest Neighbor (NN) queries, the core class of queries used in many of the location-based services, withou...
189
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SIGMOD
1998
ACM
15 years 11 months ago
1998
ACM
Remote data access from disparate sources across a widearea network such as the Internet is problematic due to the unpredictable nature of the communications medium and the lack o...
208
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SODA
1997
ACM
15 years 8 months ago
1997
ACM
Given a collection S of n line segments in the plane, the planar point location problem is to construct a data structure that can e ciently determine for a given query point p the...
210
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ECCV
2008
Springer
16 years 9 months ago
2008
Springer
In this paper we are interested in finding images of people on the web, and more specifically within large databases of captioned news images. It has recently been shown that visua...