157 search results - page 5 / 32 » A Conjunctive Query Language for Description Logic Aboxes |
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JAPLL
2010
14 years 8 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 ...
CORR
2007
Springer
14 years 10 months ago
2007
Springer
The aim of this paper is to show how we can handle the Recognising Textual Entailment (RTE) task by using Description Logics (DLs). To do this, we propose a representation of natur...
DLOG
2006
14 years 11 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...
KR
2010
Springer
15 years 3 months ago
2010
Springer
Description Logics (DLs) are knowledge representation formalisms that provide, for example, the logical underpinning of the W3C OWL standards. Conjunctive queries (CQs), the stand...
AAAI
2012
13 years 18 days 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...