313 search results - page 5 / 63 » Cost-Based Object Query Optimization |
101
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EWDW
1994
15 years 1 months ago
1994
For object-oriented databases we propose a new technique for optimizing queries containing method invocations. This technique is based on the definition of inverse methods and que...
119
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PODS
1995
ACM
15 years 1 months ago
1995
ACM
During the last decade various spatial data structures have been designed and compared against each other with respect to their performance. Still missing is a lower bound result,...
VLDB
1993
ACM
15 years 1 months ago
1993
ACM
150
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
An optimization query asks for one or more data objects that maximize or minimize some function over the data set. We propose a general class of queries, model-based optimization ...
DEXAW
1999
IEEE
15 years 2 months ago
1999
IEEE
This work addresses a problem of optimal query processing in heterogeneous and distributed multidatabase systems. The objective is to nd a method for opimization of global query p...