2228 search results - page 22 / 446 » A System for Semantic Query Optimization |
SIGMOD
1992
ACM
13 years 12 months ago
1992
ACM
This paper describes the Query Rewrite facility of the Starburst extensible database system, a novel phase of query optimization. We present a suite of rewrite rules used in Starb...
ESWS
2007
Springer
14 years 2 months ago
2007
Springer
Complex relationships, frequently referred to as semantic associations, are the essence of the Semantic Web. Query and retrieval of semantic associations has been an important task...
WECWIS
2008
IEEE
14 years 2 months ago
2008
IEEE
We present ISENS, a distributed, end-to-end, ontologybased information integration system. In response to a user’s query, our system is capable of retrieving facts from data sou...
PPSWR
2004
Springer
14 years 1 months ago
2004
Springer
Abstract. Time is omnipresent on the (Semantic) Web. However, formalism like XML, XML Schema, RDF, OWL and (Semantic) Web query languages have, if any, only very limited notions of...
JTAER
2010
13 years 2 months ago
2010
With the emergence of the e-Catalog, there has been an increasingly wide application of commodities query in distributed environment in the field of e-commerce. But e-Catalog is o...