2223 search results - page 181 / 445 » Query Optimization in an OODBMS |
128
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VLDB
2005
ACM
15 years 9 months ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
152
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EDBT
2008
ACM
16 years 4 months ago
2008
ACM
Many systems such as Tukwila and YFilter combine automaton and algebra techniques to process queries over tokenized XML streams. Typically in this architecture, an automaton is fi...
160
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WINE
2007
Springer
15 years 10 months ago
2007
Springer
A context in sponsored search is additional information about a query, such as the user’s age, gender or location, that can change an advertisement’s relevance or an advertise...
146
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CP
2009
Springer
15 years 11 months ago
2009
Springer
The problem of finding a collection of solutions to a combinatorial problem that is optimal in terms of an inter-solution objective function exists in many application settings. F...
142
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DEEC
2006
IEEE
15 years 10 months ago
2006
IEEE
Web applications have become an invaluable source of information for many different vertical solutions, but their complex navigation and semistructured format make their informatio...