923 search results - page 139 / 185 » On a Declarative Semantics for Web Queries |
IDEAS
2009
IEEE
14 years 3 months ago
2009
IEEE
RDFKB (Resource Description Framework Knowledge Base) is a relational database system for RDF datasets which supports inference and knowledge management. Significant research has ...
DASFAA
2003
IEEE
14 years 2 months ago
2003
IEEE
The increase in the use of XML (eXtensible Markup Language) makes the semistructured data more and more important on the Web. To exploit the full power of XML documents, a query l...
SEBD
2007
13 years 10 months ago
2007
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
DOOD
1995
Springer
14 years 24 days ago
1995
Springer
Abstract. Semistructured data has no absolute schema xed in advance and its structure may be irregular or incomplete. Such data commonly arises in sources that do not impose a rigi...
AAAI
2006
13 years 10 months ago
2006
We consider the problem of rewriting a query efficiently using materialized views. In the context of information integration, this problem has received significant attention in th...