619 search results - page 9 / 124 » Query Planning in Infomaster |
VLDB
2002
ACM
14 years 11 months ago
2002
ACM
The cost of a query plan depends on many parameters, such as predicate selectivities and available memory, whose values may not be known at optimization time. Parametric query opt...
221
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ICDE
2009
IEEE
16 years 1 months ago
2009
IEEE
We have developed a system to process database queries over composed data providing web services. The queries are transformed into execution plans containing an operator that invok...
100
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EDBT
1998
ACM
15 years 3 months ago
1998
ACM
Abstract. Fusion queries search for information integrated from distributed, autonomous sources over the Internet. We investigate techniques for e cient processing of fusion querie...
PVLDB
2008
14 years 11 months ago
2008
Where can I attend an interesting database workshop close to a sunny beach? Who are the strongest experts on service computing based upon their recent publication record and accep...
DEXAW
1999
IEEE
15 years 4 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...