194 search results - page 2 / 39 » Query Answering in Description Logics: The Knots Approach |
AAAI
2012
11 years 7 months ago
2012
We tackle the problem of defining a well-founded semantics (WFS) for Datalog rules with existentially quantified variables in their heads and negations in their bodies. In partic...
ADC
2006
Springer
13 years 10 months ago
2006
Springer
Query answering over OWLs and RDFs on the Semantic Web is, in general, a deductive process. To this end, OWL, a family of web ontology languages based on description logic, has be...
HIS
2009
13 years 2 months ago
2009
Recent years have witnessed the wide recognition of the importance of ontology and rule in the AI research. In this paper, we report our implementation and evaluation of a rule-ba...
DLOG
2006
13 years 6 months ago
2006
An important reasoning task, in addition to the standard DL reasoning services, is conjunctive query answering. In this paper, we present algorithms for conjunctive query answerin...
SSDBM
2002
IEEE
13 years 9 months ago
2002
IEEE
This paper presents an approach to answering queries over an ontology modelled using a description logic. The ontology acts as a global schema, providing a declarative description...