2228 search results - page 43 / 446 » A System for Semantic Query Optimization |
ICDE
2006
IEEE
14 years 3 months ago
2006
IEEE
This paper presents a description of seven systems, which use database technology to both represent knowledge persistently and make scalable queries on it, in the Semantic Web con...
ICDE
2007
IEEE
14 years 3 months ago
2007
IEEE
In this paper, we study the problem of auditing a batch of SQL queries: given a set of SQL queries that have been posed over a database, determine whether some subset of these quer...
WWW
2008
ACM
14 years 9 months ago
2008
ACM
Efficiently querying RDF [1] data is being an important factor in applying Semantic Web technologies to real-world applications. In this context, many efforts have been made to st...
SEMCO
2008
IEEE
14 years 3 months ago
2008
IEEE
One challenge for relevance ranking in Web search is underspecified queries. For such queries, top-ranked documents may contain information irrelevant to the search goal of the us...
ICWE
2005
Springer
14 years 2 months ago
2005
Springer
There is an apparent need for specifying the integration of multiple knowledge sources during the design of Web Information Systems (WIS) where the actual data is often retrieved f...