2228 search results - page 11 / 446 » A System for Semantic Query Optimization |
INFSOF
2000
13 years 7 months ago
2000
Semantic query optimization is the process of utilizing information implied by integrity constraints to reformulate the query into one that generates the same set of answers in a ...
DKE
2010
13 years 8 months ago
2010
We describe the Consistency Extractor System (ConsEx) that computes consistent answers to Datalog queries with negation posed to relational databases that may be inconsistent with...
WWW
2003
ACM
14 years 8 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
ESWS
2011
Springer
12 years 11 months ago
2011
Springer
Driven by the success of the Linked Open Data initiative today’s Semantic Web is best characterized as a Web of interlinked datasets. Hand in hand with this structure new challen...
IJWIS
2008
13 years 7 months ago
2008
: Purpose -- Efficient processing of XML queries is critical for XML data management and related applications. Previously proposed techniques are unsatisfactory. This article prese...