350 search results - page 6 / 70 » An optimization framework for map-reduce queries |
VLDB
2004
ACM
15 years 5 months ago
2004
ACM
This demonstration shows an integrated query processing environment where users can seamlessly query both a data stream management system and a sensor network with one query expre...
DOOD
1993
Springer
15 years 4 months ago
1993
Springer
164
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SIGMOD
2009
ACM
16 years 18 days ago
2009
ACM
In order to enable extensibility, modern query optimizers typically leverage a transformation rule based framework. Testing individual rule correctness as well as correctness of r...
97
Voted
EDBT
2008
ACM
16 years 15 days ago
2008
ACM
For complex data mining queries, query optimization issues arise, similar to those for the traditional database queries. However, few works have applied the cost-based query optim...
150
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SIGMOD
2009
ACM
16 years 18 days ago
2009
ACM
Commercial database systems expose query hints to fix poor plans produced by the query optimizer. However, current query hints are not flexible enough to deal with a variety of no...