4438 search results - page 259 / 888 » Speculative Query Processing |
205
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ICEBE
2005
IEEE
16 years 22 days ago
2005
IEEE
Electronic commerce is emerging as a major application area for database systems. A large number of e-commerce stores provide electronic product catalogs that allow customers to s...
234
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SIGIR
2004
ACM
16 years 17 days ago
2004
ACM
Document-centric XML collections contain text-rich documents, marked up with XML tags. The tags add lightweight semantics to the text. Querying such collections calls for a hybrid...
235
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SAC
2003
ACM
16 years 11 days ago
2003
ACM
Query-by-example is the most popular query model for today’s image retrieval systems. A typical query image contains not only relevant objects (e.g., Eiffel Tower), but also ir...
195
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KR
1992
Springer
15 years 11 months ago
1992
Springer
While the task of answering queries from an arbitrary propositional theory is intractable in general, it can typicallybe performed e ciently if the theory is Horn. This suggests t...
201
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VLDB
1995
ACM
15 years 10 months ago
1995
ACM
Efficient processing of aggregation queries is essential for decision support applications. This paper describes a class of query transformations, called eager aggregation and lat...