5954 search results - page 281 / 1191 » Querying Bi-level Information |
183
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WWW
2007
ACM
16 years 7 months ago
2007
ACM
Determining the user intent of Web searches is a difficult problem due to the sparse data available concerning the searcher. In this paper, we examine a method to determine the us...
203
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SIGMOD
2004
ACM
16 years 6 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
139
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IRI
2005
IEEE
16 years 9 days ago
2005
IEEE
Abstract)",4th Annual Walter Lincoln Hawkins Research Conference, RPI, November 2005. B. Hill, \Correlated Caching for Correlated Data", 2nd Annual Walter Lincoln Hawkins...
217
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ICIP
2001
IEEE
16 years 8 months ago
2001
IEEE
Images and videos can be indexed by multiple features at different levels, such as color, texture, motion, and text annotation. Organizing this information into a system so that u...
138
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SIGIR
2006
ACM
16 years 20 days ago
2006
ACM
We hypothesized that language modeling retrieval would improve if we reduced the need for document smoothing to provide an inverse document frequency (IDF) like effect. We create...