624 search results - page 9 / 125 » Mutant Query Plans |
VLDB
2005
ACM
15 years 3 months ago
2005
ACM
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...
MICCAI
2010
Springer
14 years 8 months ago
2010
Springer
The task of IMRT planning, particularly in head-and-neck cancer, is a difficult one, often requiring days of work from a trained dosimetrist. One of the main challenges is the pres...
VLDB
1998
ACM
15 years 1 months ago
1998
ACM
Query optimizers normally compile queries into one optimal plan by assuming complete knowledge of all cost parameters such asselectivity and resourceavailability. The execution of...
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ICDE
2005
IEEE
15 years 10 months ago
2005
IEEE
Sensor networks and other distributed information systems (such as the Web) must frequently access data that has a high per-attribute acquisition cost, in terms of energy, latency...
FOIKS
2004
Springer
15 years 2 months ago
2004
Springer
Despite the fact that thousands of applications manipulate plans, there has been no work to date on managing large databases of plans. In this paper, we first propose a formal mod...