6004 search results - page 19 / 1201 » Parallelizing query optimization |
152
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VLDB
2004
ACM
15 years 11 months ago
2004
ACM
PLASTIC [1] is a recently-proposed tool to help query optimizers significantly amortize optimization overheads through a technique of plan recycling. The tool groups similar quer...
155
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CIKM
2004
Springer
15 years 11 months ago
2004
Springer
We examine the problem of retrieving the top-m ranked items from a large collection, randomly distributed across an n-node system. In order to retrieve the top m overall, we must ...
163
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DEXA
2003
Springer
15 years 11 months ago
2003
Springer
Query optimizers in current database management systems (DBMS) often face problems such as intolerably long optimization time and/or poor optimization results when optimizing compl...
216
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EDBT
2011
ACM
14 years 9 months ago
2011
ACM
The popularity of batch-oriented cluster architectures like Hadoop is on the rise. These batch-based systems successfully achieve high degrees of scalability by carefully allocati...