624 search results - page 48 / 125 » Mutant Query Plans |
MIG
2010
Springer
13 years 9 months ago
2010
Springer
Abstract. Navigation meshes are commonly employed as a practical representation for path planning and other navigation queries in animated virtual environments and computer games. ...
SIGMOD
2006
ACM
14 years 11 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
SIGMOD
2001
ACM
14 years 11 months ago
2001
ACM
Materialized views have been found to be very effective at speeding up queries, and are increasingly being supported by commercial databases and data warehouse systems. However, w...
PODS
2001
ACM
14 years 11 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...
CIKM
2006
Springer
14 years 2 months ago
2006
Springer
The I/O performance of query processing can be improved using two complementary approaches. One can try to improve on the buffer and the file system management policies of the DB ...