619 search results - page 6 / 124 » Query Planning in Infomaster |
111
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PVLDB
2008
14 years 11 months ago
2008
Many commercial RDBMSs employ cost-based query optimization exploiting dynamic programming (DP) to efficiently generate the optimal query execution plan. However, optimization tim...
PVLDB
2010
14 years 10 months ago
2010
XMorph is a new, shape polymorphic, domain-specific XML query language. A query in a shape polymorphic language adapts to the shape of the input, freeing the user from having to k...
152
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ICDE
2011
IEEE
14 years 3 months ago
2011
IEEE
— In this paper, we study the problem of efficiently computing multiple aggregation queries over a data stream. In order to share computation, prior proposals have suggested ins...
73
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AIPS
1998
15 years 1 months ago
1998
We present the application of the Planning by Rewriting PbR framework to query planning in distributed and heterogeneous environments. PbR is a new paradigm for e cient high-quali...
122
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SAC
2011
ACM
14 years 2 months ago
2011
ACM
Data stream management systems (DSMSs) process continuous queries over streaming data in real-time adhering to quality of service requirements. The data streams generated from sen...