995 search results - page 32 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
VLDB
1990
ACM
15 years 5 months ago
1990
ACM
Even though the large body of knowledge of relational query optimization techniques can be utilized as a starting point for object-oriented query optimization the full exploitatio...
250
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SIGMOD
2005
ACM
16 years 2 months ago
2005
ACM
Database query languages can be intimidating to the nonexpert, leading to the immense recent popularity for keyword based search in spite of its significant limitations. The holy ...
205
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ICDT
2009
ACM
16 years 2 months ago
2009
ACM
We study containment and equivalence of (unions of) conjunctive queries on relations annotated with elements of a commutative semiring. Such relations and the semantics of positiv...
111
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VLDB
1998
ACM
15 years 6 months ago
1998
ACM
Currently the key problems of query optimization are extensibility imposed by object-relational technology, as well as query complexity caused by forthcoming applications, such as...
126
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CIKM
2006
Springer
15 years 5 months ago
2006
Springer
We propose to adapt the newly emerged cache-oblivious model to relational query processing. Our goal is to automatically achieve an overall performance comparable to that of fine-...