2987 search results - page 145 / 598 » Multiobjective Query Optimization |
107
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IDEAS
1999
IEEE
15 years 6 months ago
1999
IEEE
The number of documents published via WWW in form of SGML/HTML has been rapidly growing for years. Efficient, declarative access mechanisms for this type of documents
110
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ICEIS
2006
IEEE
15 years 7 months ago
2006
IEEE
The satisfiability test checks, whether or not the evaluation of a query returns the empty set for any input document, and can be used in query optimization for avoiding the submis...
126
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CIKM
2008
Springer
15 years 3 months ago
2008
Springer
The typical workload in a database system consists of a mixture of multiple queries of different types, running concurrently and interacting with each other. Hence, optimizing per...
124
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IS
2007
15 years 1 months ago
2007
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
103
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SSDBM
2009
IEEE
15 years 8 months ago
2009
IEEE
We present a novel sensor network query processing architecture that (a) covers all the query optimization phases that are required to map a declarative query to executable code; ...