624 search results - page 56 / 125 » Mutant Query Plans |
IROS
2006
IEEE
14 years 4 months ago
2006
IEEE
— Our goal is to create roadmaps that are particularly suited for motion planning in virtual environments. We use our Reachability Roadmap Method to compute an initial, resolutio...
DBPL
1995
Springer
14 years 1 months ago
1995
Springer
Physical design for object-oriented databases is still in its infancy. Implementation decisions often intrude into the conceptual design (such as inverse links and object decompos...
VLDB
2005
ACM
14 years 3 months ago
2005
ACM
Cost-based query optimizers need to estimate the selectivity of conjunctive predicates when comparing alternative query execution plans. To this end, advanced optimizers use multi...
SIGMOD
2007
ACM
14 years 10 months ago
2007
ACM
Complex queries often contain common or similar subexpressions, either within a single query or among multiple queries submitted as a batch. If so, query execution time can be imp...
SIGMOD
2005
ACM
14 years 10 months ago
2005
ACM
A defining characteristic of continuous queries over on-line data streams, possibly bounded by sliding windows, is the potentially infinite and time-evolving nature of their input...