2736 search results - page 270 / 548 » Indexing uncertain data |
159
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ICUIMC
2009
ACM
16 years 1 months ago
2009
ACM
Although documents have hundreds of thousands of unique words, only a small number of words are significantly useful for intelligent services. For this reason, feature extraction ...
159
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ICDE
2007
IEEE
16 years 27 days ago
2007
IEEE
User-defined preferences allow personalized ranking of query results. A user provides a declarative specification of his/her preferences, and the system is expected to use that ...
150
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ISLPED
2005
ACM
16 years 4 days ago
2005
ACM
Aggressive hardware prefetching often significantly increases energy consumption in the memory system. Experiments show that a major fraction of prefetching related energy degrad...
169
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VLDB
2001
ACM
15 years 11 months ago
2001
ACM
In this paper we focus on the following problem in information management: given a large collection of recorded information and some knowledge of the process that is generating th...
185
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VLDB
1999
ACM
15 years 10 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...