2228 search results - page 289 / 446 » A System for Semantic Query Optimization |
WWW
2007
ACM
14 years 9 months ago
2007
ACM
Most RDF query languages allow for graph structure search through a conjunction of triples which is typically processed using join operations. A key factor in optimizing joins is ...
ICLP
2007
Springer
14 years 2 months ago
2007
Springer
We propose a novel technique that maps decision problems in WS1S (weak monadic second-order logic with n successors) to the problem of query evaluation of Complex-value Datalog que...
DEXAW
1999
IEEE
14 years 19 days ago
1999
IEEE
This paper describes an algebra for use with parallel object databases, and in particular ODMG compliant databases with OQL. Although there have been many proposals for parallel r...
ICLP
2010
Springer
14 years 7 days ago
2010
Springer
Abstract. Bottom-up evaluation is a central part of query evaluation / program execution in deductive databases. It is used after a source code optimization like magic sets or SLDm...
EDBT
2006
ACM
14 years 3 hour ago
2006
ACM
As data management applications grow more complex, they may need efficient distributed query processing, but also subscription management, data archival etc. To enact such applicat...