67 search results - page 9 / 14 » A Path-based Relational RDF Database |
EDBT
2012
ACM
11 years 9 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...
WWW
2011
ACM
13 years 1 months 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, ...
IADIS
2008
13 years 8 months ago
2008
Building semantics concepts into the learning tools and utilities will open the road for the next generation of the Learning Content Management System (LCMS). We propose here to n...
CIKM
2009
Springer
13 years 10 months ago
2009
Springer
Discovering links between different data items in a single data source or across different data sources is a challenging problem faced by many information systems today. In partic...
WWW
2007
ACM
14 years 7 months ago
2007
ACM
As the data and ontology layers of the Semantic Web stack have achieved a certain level of maturity in standard recommendations such as RDF and OWL, the current focus lies on two ...