9683 search results - page 1340 / 1937 » Predicting query performance |
160
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TON
2008
15 years 7 months ago
2008
Abstract--We address the problem of highly transient populations in unstructured and loosely-structured peer-to-peer systems. We propose a number of illustrative query-related stra...
370
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ICDE
2012
IEEE
13 years 9 months ago
2012
IEEE
We present a new Bi-level LSH algorithm to perform approximate k-nearest neighbor search in high dimensional spaces. Our formulation is based on a two-level scheme. In the first ...
220
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ICDE
2012
IEEE
13 years 9 months ago
2012
IEEE
—A major challenge faced by today’s information systems is that of evolution as data usage evolves or new data resources become available. Modern organizations sometimes exchan...
237
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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...
187
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ICCV
2009
IEEE
17 years 2 days ago
2009
IEEE
We study the task of detecting the occurrence of objects in large image collections or in videos, a problem that combines aspects of content based image retrieval and object locali...