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» Querying semantic web data with SPARQL
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IJSWIS
2008
135views more  IJSWIS 2008»
13 years 8 months ago
Efficient Processing of RDF Queries with Nested Optional Graph Patterns in an RDBMS
Relational technology has shown to be very useful for scalable Semantic Web data management. Numerous researchers have proposed to use RDBMSs to store and query voluminous RDF dat...
Artem Chebotko, Shiyong Lu, Mustafa Atay, Farshad ...
ESCIENCE
2007
IEEE
14 years 12 days ago
Storing and Querying Scientific Workflow Provenance Metadata Using an RDBMS
Provenance management has become increasingly important to support scientific discovery reproducibility, result interpretation, and problem diagnosis in scientific workflow enviro...
Artem Chebotko, Xubo Fei, Cui Lin, Shiyong Lu, Far...
ESWS
2009
Springer
14 years 3 months ago
ONKI SKOS Server for Publishing and Utilizing SKOS Vocabularies and Ontologies as Services
Vocabularies are the building blocks of the Semantic Web providing shared terminological resources for content indexing, information retrieval, data exchange, and content integrati...
Jouni Tuominen, Matias Frosterus, Kim Viljanen, Ee...
EDBTW
2004
Springer
14 years 1 months ago
Index-Based Keyword Search in Mediator Systems
Many users and applications require the integration of semi-structured data from autonomous, heterogeneous Web sources. Over the last years mediator systems have emerged that use d...
Ingolf Geist
ICWE
2005
Springer
14 years 2 months ago
A Model-Driven Approach for Designing Distributed Web Information Systems
There is an apparent need for specifying the integration of multiple knowledge sources during the design of Web Information Systems (WIS) where the actual data is often retrieved f...
Richard Vdovjak, Geert-Jan Houben