Sciweavers

SEMWEB
2010
Springer
13 years 2 months ago
SPARQL beyond Subgraph Matching
We extend the Semantic Web query language SPARQL by defining the semantics of SPARQL queries under the entailment regimes of RDF, RDFS,
Birte Glimm, Markus Krötzsch
CAISE
2006
Springer
13 years 8 months ago
VisAVis: An Approach to an Intermediate Layer between Ontologies and Relational Database Contents
This paper introduces an approach to mapping relational database contents to ontologies. The current effort is motivated by the need of including into the Semantic Web volumes of w...
Nikolaos Konstantinou, Dimitrios-Emmanuel Spanos, ...
HT
2007
ACM
13 years 8 months ago
Lesson learnt from a large-scale industrial semantic web application
The design and maintenance of an aero-engine generates a significant amount of documentation. When designing new engines, engineers must obtain knowledge gained from maintenance o...
Sylvia C. Wong, Richard M. Crowder, Gary B. Wills,...
ATAL
2005
Springer
13 years 10 months ago
SEAGENT: a platform for developing semantic web based multi agent systems
In this paper, a new agent development platform, which includes built-in features for semantic web based multi agent system development, is introduced. All agents and services in ...
Oguz Dikenelli, Riza Cenk Erdur, Özgür G...
SAC
2006
ACM
13 years 10 months ago
Imprecise RDQL: towards generic retrieval in ontologies using similarity joins
Traditional semantic web query languages support a logicbased access to the semantic web. They offer a retrieval (or reasoning) of data based on facts. On the traditional web and...
Abraham Bernstein, Christoph Kiefer
OTM
2007
Springer
13 years 10 months ago
Leveraging the Expressivity of Grounded Conjunctive Query Languages
We present a pragmatic extension of a Semantic Web query language (including so-called grounded conjunctive queries) with a termination safe functional expression language. This ad...
Alissa Kaplunova, Ralf Möller, Michael Wessel
ICLP
2007
Springer
13 years 10 months ago
DLVHEX-SPARQL: A SPARQL Compliant Query Engine Based on DLVHEX
This paper describes the dlvhex SPARQL plugin, a query processor for the upcoming Semantic Web query language standard by W3C. We report on the implementation of this languages usi...
Axel Polleres, Roman Schindlauer
WWW
2007
ACM
14 years 5 months ago
A management and performance framework for semantic web servers
The unification of Semantic Web query languages under the SPARQL standard and the development of commercial-quality implementations are encouraging industries to use semantic tech...
Malena R. Mesarina, Venugopal Srinivasmurthy, Nic ...
WWW
2008
ACM
14 years 5 months ago
Querying for meta knowledge
The Semantic Web is based on accessing and reusing RDF data from many different sources, which one may assign different levels of authority and credibility. Existing Semantic Web ...
Bernhard Schueler, Sergej Sizov, Steffen Staab, Du...