619 search results - page 70 / 124 » Query Planning in Infomaster |
108
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BTW
2005
Springer
15 years 7 months ago
2005
Springer
: Optimizers in modern DBMSs utilize a cost model to choose an efficient query execution plan (QEP) among all possible ones for a given query. The accuracy of the cost estimates de...
115
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VLDB
2004
ACM
15 years 7 months ago
2004
ACM
The use of inaccurate or outdated database statistics by the query optimizer in a relational DBMS often results in a poor choice of query execution plans and hence unacceptably lo...
109
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AIPS
1996
15 years 3 months ago
1996
An increasing number of planners can handle uncertainty in the domain or in action outcomes. However, less work has addressed building plans when the planner's world can chan...
136
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ICDE
2010
IEEE
15 years 8 months ago
2010
IEEE
Abstract— Developing a full-fledged cost-based XQuery optimizer is a fairly complex task. Nowadays, there is little knowledge concerning suitable cost formulae and optimization ...
108
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COLING
1990
15 years 3 months ago
1990
This paper describes the general architecture of generation in the ACORDproject. The central module of this architecture is a planning component, which allows to plan single sente...