5221 search results - page 793 / 1045 » An On-line Problem Database |
294
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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...
330
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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...
297
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ICDT
2009
ACM
16 years 7 months ago
2009
ACM
The class of unions of conjunctive queries (UCQ) has been shown to be particularly well-behaved for data exchange; its certain answers can be computed in polynomial time (in terms...
194
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WWW
2009
ACM
16 years 7 months ago
2009
ACM
Contextual advertising (also called content match) refers to the placement of small textual ads within the content of a generic web page. It has become a significant source of rev...
194
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WWW
2002
ACM
16 years 7 months ago
2002
ACM
Table is a commonly used presentation scheme, especially for describing relational information. However, table understanding remains an open problem. In this paper, we consider th...