83 search results - page 1 / 17 » Tractable Query Answering over Ontologies with Datalog - |
92
Voted
DLOG
2009
15 years 17 days ago
2009
Abstract. We present a family of expressive extensions of Datalog, called Datalog
114
click to vote
LICS
2010
IEEE
14 years 9 months ago
2010
IEEE
Abstract--This paper summarizes results on a recently introduced family of Datalog-based languages, called Datalog+/-, which is a new framework for tractable ontology querying, and...
109
click to vote
ECAI
2010
Springer
15 years 17 days ago
2010
Springer
Abstract. The deployment of KR formalisms to the Web has created the need for formalisms that combine heterogeneous knowledge bases. Nonmonotonic dl-programs provide a loose integr...
118
click to vote
JAPLL
2010
14 years 10 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
188
click to vote
PODS
2009
ACM
16 years 13 hour ago
2009
ACM
d Abstract) Andrea Cal`i2,1 , Georg Gottlob1,2 , and Thomas Lukasiewicz1, 1 Computing Laboratory, University of Oxford, UK firstname.lastname@comlab.ox.ac.uk 2 Oxford-Man Institute...