995 search results - page 48 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
115
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VLDB
1997
ACM
15 years 6 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
109
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LICS
2002
IEEE
15 years 6 months ago
2002
IEEE
Monadic query languages over trees currently receive considerable interest in the database community, as the problem of selecting nodes from a tree is the most basic and widesprea...
196
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SEDE
2010
14 years 11 months ago
2010
Enterprise-level applications are becoming complex with the need for event and stream processing, multiple query processing and data analysis over heterogeneous data sources such ...
85
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SEMWEB
2004
Springer
15 years 7 months ago
2004
Springer
Faceted classification allows one to model applications with complex classification hierarchies using orthogonal dimensions. Recent work has examined the use of faceted classi...
149
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SIGMOD
2003
ACM
16 years 2 months ago
2003
ACM
We consider the problem of efficiently producing ranked results for keyword search queries over hyperlinked XML documents. Evaluating keyword search queries over hierarchical XML ...