651 search results - page 10 / 131 » Algebraic Query Optimization for Distributed Top-k Queries |
BNCOD
1997
13 years 9 months ago
1997
With the substantial change of declarative query languages from plain SQL to the so-called \object SQLs", in particular OQL, there has surprisingly been not much change in the...
COOPIS
2004
IEEE
13 years 11 months ago
2004
IEEE
Enhanced Multimedia Meta Objects (EMMOs) are a novel approach to multimedia content modeling, combining media, semantic relationships between those media, as well as functionality ...
VLDB
1987
ACM
13 years 11 months ago
1987
ACM
A Datalog program can be translated into a system of fixpoint equations of relational algebra; this paper studies how such a system can be solved and optimized for a particular qu...
ICDE
1998
IEEE
14 years 9 months ago
1998
IEEE
Algebraic transformation and optimization techniques have been the method of choice in relational query execution, but applying them in OODBMS is difficult due to the complexity o...
VLDB
2004
ACM
14 years 1 months ago
2004
ACM