2987 search results - page 162 / 598 » Multiobjective Query Optimization |
111
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KDD
1994
ACM
15 years 5 months ago
1994
ACM
Semantic query optimization can dramatically speed up database query answering by knowledge intensive reformulation. But the problem of how to learn required semantic rules has no...
108
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PODC
2010
ACM
15 years 5 months ago
2010
ACM
This paper deals with pipelined queries over services. The execution plan of such queries defines an order in which the services are called. We present the theoretical underpinni...
125
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EDBT
2008
ACM
16 years 1 months ago
2008
ACM
Scientific data are available through an increasing number of heterogeneous, independently evolving, sources. Although the sources themselves are independently evolving, the data ...
110
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MOBIDE
2005
ACM
15 years 7 months ago
2005
ACM
This work addresses the problem of efficient maintenance of the (correct) answers to the continuous spatio-temporal range queries in Moving Objects Databases (MOD), which represen...
CCGRID
2002
IEEE
15 years 6 months ago
2002
IEEE
This paper is concerned with the efficient execution of multiple query workloads on a cluster of SMPs. We target applications that access and manipulate large scientific dataset...