482 search results - page 20 / 97 » Selectivity Estimation in Spatial Databases |
VLDB
2005
ACM
14 years 1 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...
VLDB
2002
ACM
14 years 8 months ago
2002
ACM
The view selection problem is to choose a set of views to materialize over a database schema, such that the cost of evaluating a set of workload queries is minimized and such that ...
VLSID
2008
IEEE
14 years 8 months ago
2008
IEEE
In the automatic design of custom instruction set processors, there can be a very large set of potential custom instructions, from which a few instructions are required to be chos...
JCIT
2008
13 years 8 months ago
2008
Active database systems (ADBS) can, automatically, react to the occurrence of predefined events by definition a collection of active rules. One of the most important modules of AD...
SCIA
2005
Springer
14 years 1 months ago
2005
Springer
Estimating camera position and posture can be applied to the fields of augmented reality and robot navigation. In these fields, to obtain absolute position and posture of the cam...