412 search results - page 32 / 83 » Aggregate queries over ontologies |
IRI
2009
IEEE
14 years 4 months ago
2009
IEEE
Formulating and executing queries over distributed, autonomous and heterogeneous resources is an important research area. The advent of the Internet and the Web and their inherent...
TITB
2002
13 years 9 months ago
2002
This paper describes the initial stages of building an ontology of bioinformatics and molecular biology. The conceptualisation is encoded using the Ontology Inference Layer (OIL),...
SAC
2006
ACM
14 years 4 months ago
2006
ACM
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...
ENTCS
2006
13 years 10 months ago
2006
This work describes the architecture of Contorsion, a semantic XPath processor that acts over an RDF mapping of XML. It contributes to a recent research trend that defines an XML-...
PVLDB
2010
13 years 8 months ago
2010
Ontology-based data access is a powerful form of extending database technology, where a classical extensional database (EDB) is enhanced by an ontology that generates new intensio...