90 search results - page 1 / 18 » Monitoring Plan Optimality During Execution |
AIPS
2007
13 years 7 months ago
2007
A great deal of research has addressed the problem of generating optimal plans, but these plans are of limited use in circumstances where noisy sensors, unanticipated exogenous ac...
AIPS
2008
13 years 7 months ago
2008
As no plan can cover all possible contingencies, the ability to detect failures during plan execution is crucial to the robustness of any autonomous system operating in a dynamic ...
PVLDB
2010
13 years 3 months ago
2010
Optimization of join queries based on average selectivities is suboptimal in highly correlated databases. In such databases, relations are naturally divided into partitions, each ...
AIPS
1994
13 years 6 months ago
1994
Protection monitors synthesized from plan causal structure provide execution systems with information necessary to detect potential failures early during execution. By detecting e...
PVLDB
2008
13 years 4 months ago
2008
Past work has suggested that query execution feedback can be useful in improving the quality of plans by correcting cardinality estimation errors in the query optimizer. The state...