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» Constraints over Ontologies
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AAAI
2012
13 years 9 months ago
Reformulating Temporal Action Logics in Answer Set Programming
Temporal Action Logics (TAL) is a class of temporal logics for reasoning about actions. We present a reformulation of TAL in Answer Set Programming (ASP), and discuss some synergi...
Joohyung Lee, Ravi Palla
DEXA
2007
Springer
131views Database» more  DEXA 2007»
16 years 1 months ago
Improving Semantic Query Answering
The retrieval problem is one of the main reasoning tasks for knowledge base systems. Given a knowledge base K and a concept C, the retrieval problem consists of finding all indivi...
Norbert Kottmann, Thomas Studer
AMW
2010
15 years 8 months ago
Query Rewriting under Non-Guarded Rules
We address the problem of answering conjunctive queries over knowledge bases, specified by sets of first-order sentences called tuple-generating dependencies (TGDs). This problem i...
Andrea Calì, Georg Gottlob, Andreas Pieris
NGC
2006
Springer
140views Communications» more  NGC 2006»
15 years 7 months ago
Re-representation and Creative Analogy: A Lexico-semantic Perspective
Analogy is a powerful boundary-transcending process that exploits a conceptual system's ability to perform controlled generalization in one domain and re-specialization into ...
Tony Veale
DLOG
2010
15 years 5 months ago
A MapReduce Algorithm for EL+
Abstract. Recently, the use of the MapReduce framework for distributed RDF Schema reasoning has shown that it is possible to compute the deductive closure of sets of over a billion...
Raghava Mutharaju, Frederick Maier, Pascal Hitzler