Sciweavers

369 search results - page 38 / 74
» Towards SDL Ontology
Sort
View
OTM
2007
Springer
14 years 1 months ago
SPARQL++ for Mapping Between RDF Vocabularies
Lightweight ontologies in the form of RDF vocabularies such as SIOC, FOAF, vCard, etc. are increasingly being used and exported by “serious” applications recently. Such vocabul...
Axel Polleres, François Scharffe, Roman Sch...
SEMWEB
2009
Springer
14 years 7 days ago
A Decomposition-Based Approach to Optimizing Conjunctive Query Answering in OWL DL
Scalable query answering over Description Logic (DL) based ontologies plays an important role for the success of the Semantic Web. Towards tackling the scalability problem, we prop...
Jianfeng Du, Guilin Qi, Jeff Z. Pan, Yi-Dong Shen
SWAP
2007
13 years 8 months ago
Some Experiments on the Usage of a Deductive Database for RDFS Querying and Reasoning
Abstract. Ontologies are pervading many areas of knowledge representation and management. To date, most research efforts have been spent on the development of sufficiently express...
Giovambattista Ianni, Alessandra Martello, Claudio...
IJSI
2008
115views more  IJSI 2008»
13 years 7 months ago
Towards Knowledge Acquisition from Semi-Structured Content
Abstract A rich family of generic Information Extraction (IE) techniques have been developed by researchers nowadays. This paper proposes WebKER, a system for automatically extract...
Xi Bai, Jigui Sun, Haiyan Che, Lian Shi
TPLP
2010
115views more  TPLP 2010»
13 years 6 months ago
Towards closed world reasoning in dynamic open worlds
The need for integration of ontologies with nonmonotonic rules has been gaining importance in a number of areas, such as the Semantic Web. A number of researchers addressed this p...
Martin Slota, João Leite