3 search results - page 1 / 1 » Write it recursively: a generic framework for optimal path q... |
ICFP
2008
ACM
14 years 4 months ago
2008
ACM
Optimal path queries are queries to obtain an optimal path specified by a given criterion of optimality. There have been many studies to give efficient algorithms for classes of o...
PODS
2004
ACM
14 years 4 months ago
2004
ACM
The problem of deciding query containment has important applications in classical query optimization and heterogeneous database systems. Query containment is undecidable for unres...
VLDB
1997
ACM
13 years 8 months ago
1997
ACM
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...