2635 search results - page 205 / 527 » Algorithms for the Database Layout Problem |
173
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PODS
2005
ACM
16 years 6 months ago
2005
ACM
We consider query optimization techniques for data intensive P2P applications. We show how to adapt an old technique from deductive databases, namely Query-Sub-Query (QSQ), to a s...
173
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PODS
1999
ACM
15 years 11 months ago
1999
ACM
Despite advances in recent years in the area of mandatory access control in database systems, today's information repositories remain vulnerable to inference and data associa...
185
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SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
We study a problem of mining frequently occurring periodic patterns with a gap requirement from sequences. Given a character sequence S of length L and a pattern P of length l, we...
178
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VLDB
2000
ACM
15 years 10 months ago
2000
ACM
Maintaining currency of search engine indices by exhaustive crawling is rapidly becoming impossible due to the increasing size and dynamic content of the web. Focused crawlers aim...
148
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IJCAI
2007
15 years 8 months ago
2007
We investigate the problem of mining closed sets in multi-relational databases. Previous work introduced different semantics and associated algorithms for mining closed sets in mu...