5166 search results - page 23 / 1034 » Web Query Optimizer |
SIGMOD
2011
ACM
12 years 11 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...
WWW
2003
ACM
14 years 9 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...
EDBT
2012
ACM
11 years 11 months ago
2012
ACM
Query optimization in RDF Stores is a challenging problem as SPARQL queries typically contain many more joins than equivalent relational plans, and hence lead to a large join orde...
SAC
2009
ACM
14 years 1 months ago
2009
ACM
The Semantic Web and its technologies become increasingly important. As more and more Semantic Web applications are being used, developing more stable Semantic Web applications be...
ICDE
2010
IEEE
14 years 6 months ago
2010
IEEE
— Multi-criteria decision support (MCDS) is crucial in many business and web applications such as web searches, B2B portals and on-line commerce. Such MCDS applications need to r...