9683 search results - page 1214 / 1937 » Predicting query performance |
201
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INTERNET
2007
15 years 7 months ago
2007
The content-based publish/subscribe (pub/sub)paradigm for system design is becoming increasingly popular, offering unique benefits for a large number of data-intensive applicatio...
195
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IS
2007
15 years 7 months ago
2007
User queries on extensible markup language (XML) documents are typically expressed as regular path expressions. A variety of indexing techniques for efficiently retrieving the re...
208
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TKDE
2008
15 years 7 months ago
2008
Given a dataset P, a k-means query returns k points in space (called centers), such that the average squared distance between each point in P and its nearest center is minimized. S...
288
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TKDE
2008
15 years 7 months ago
2008
In this paper, we propose an image semantic model based on the knowledge and criteria in the field of linguistics and taxonomy. Our work bridges the "semantic gap" by sea...
233
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CCR
2004
15 years 7 months ago
2004
There has been much interest in both unstructured and structured overlays recently. Unstructured overlays, like Gnutella, build a random graph and use flooding or random walks on ...