140 search results - page 2 / 28 » RDF Aggregate Queries and Views |
WWW
2011
ACM
13 years 5 days ago
2011
ACM
The problem of answering SPARQL queries over virtual SPARQL views is commonly encountered in a number of settings, including while enforcing security policies to access RDF data, ...
DATESO
2009
13 years 3 months ago
2009
In order to realize the idea of the Semantic Web, many tools and technologies need to be developed, including a query language. One of the most important technologies that creates ...
ICDE
2011
IEEE
12 years 9 months ago
2011
IEEE
—An increasing amount of data produced nowadays is in RDF format. While significant work has been performed on view selection and query optimization algorithms in relational dat...
SEMWEB
2005
Springer
13 years 10 months ago
2005
Springer
We propose a declarative update language for RDF graphs which is based on the paradigms of query and view languages RQL and RVL. Our language, called RUL, ensures that the executio...
SWAP
2007
13 years 6 months ago
2007
In this paper we take a view from the bottom to RDF(S) reasoning. We discuss some issues and requirements on reasoning towards effectively building Semantic Web Pipes, aggregating ...