34170 search results - page 6230 / 6834 » Optimization |
322
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ICDE
2002
IEEE
16 years 8 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
292
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ICDE
2000
IEEE
16 years 8 months ago
2000
IEEE
Nearest neighbor queries are important in many settings, including spatial databases (Find the k closest cities) and multimedia databases (Find the k most similar images). Previou...
289
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ICDE
1999
IEEE
16 years 8 months ago
1999
IEEE
We develop a data integration approach for the efficient evaluation of queries over autonomous source databases. The approach is based on some novel applications and extensions of...
304
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ICDE
1998
IEEE
16 years 8 months ago
1998
IEEE
Discovery of functionaldependencies from relations has been identified as an important database analysis technique. In this paper, we present a new approach for finding functional...
354
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ICDE
1998
IEEE
16 years 8 months ago
1998
IEEE
We study the problem of discovering association rules that display regular cyclic variation over time. For example, if we compute association rules over monthly sales data, we may...