589 search results - page 38 / 118 » Optimized Query Evaluation Using Cooperative Sorts |
184
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VLDB
2007
ACM
15 years 10 months ago
2007
ACM
Views over probabilistic data contain correlations between tuples, and the current approach is to capture these correlations using explicit lineage. In this paper we propose an al...
IDC
2009
Springer
15 years 4 months ago
2009
Springer
Abstract Multi-agent cooperation can in several cases be used in order to mitigate problems relating to task sharing within physical processes. In this paper we apply agent based s...
119
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SIGMOD
2011
ACM
14 years 18 days ago
2011
ACM
Table partitioning splits a table into smaller parts that can be accessed, stored, and maintained independent of one another. From their traditional use in improving query perform...
124
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SIGMOD
2004
ACM
15 years 10 months ago
2004
ACM
Virtually every commercial query optimizer chooses the best plan for a query using a cost model that relies heavily on accurate cardinality estimation. Cardinality estimation erro...
111
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PPDP
2010
Springer
14 years 8 months ago
2010
Springer
This paperdescribes the use of a powerful graph query language for querying programs, and a novel combination of transformations for generating efficient implementations of the q...