332 search results - page 11 / 67 » Query Evaluation and Optimization in the Semantic Web |
VLDB
2005
ACM
14 years 6 days ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...
OTM
2005
Springer
14 years 6 days ago
2005
Springer
Ontologies play a key role in Semantic Web research. A common use of ontologies in Semantic Web is to enrich the current Web resources with some well-defined meaning to enhance th...
SIGMOD
2006
ACM
14 years 6 months ago
2006
ACM
We study the problem of finding efficient equivalent viewbased rewritings of relational queries, focusing on query optimization using materialized views under the assumption that ...
ICDE
2000
IEEE
13 years 11 months ago
2000
IEEE
We consider an architecture of mediators and wrappers for Internet accessible WebSources of limited query capability. Each call to a source is a WebSource Implementation (WSI) and...
ICLP
2005
Springer
14 years 7 days ago
2005
Springer
The Semantic Web is a rapidly growing research area aiming at the exchange of semantic information over the World Wide Web. The Semantic Web is built on top of RDF, an XML-based ex...