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SEMWEB
2007
Springer
14 years 4 months ago
Who the FOAF knows Alice? A Needed Step Toward Semantic Web Pipes
In this paper we take a view from the bottom to RDF(S) reasoning. We discuss some issues and requirements on reasoning towards effectively building Semantic Web Pipes, aggregating...
Christian Morbidoni, Axel Polleres, Giovanni Tumma...
NMR
2004
Springer
14 years 4 months ago
Frame consistency: computing with causal explanations
This paper presents a computational model for reasoning with causal explanations of observations within the framework of Abductive Event Calculus (AEC). The model is based on abdu...
Andrea Bracciali, Antonis C. Kakas
KR
2010
Springer
14 years 3 months ago
Walking the Decidability Line for Rules with Existential Variables
We consider positive rules in which the conclusion may contain existentially quantified variables, which makes reasoning tasks (such as Deduction) undecidable. These rules have t...
Jean-François Baget, Michel LeClere, Marie-...
SEMWEB
2009
Springer
14 years 3 months ago
A Decomposition-Based Approach to Optimizing Conjunctive Query Answering in OWL DL
Scalable query answering over Description Logic (DL) based ontologies plays an important role for the success of the Semantic Web. Towards tackling the scalability problem, we prop...
Jianfeng Du, Guilin Qi, Jeff Z. Pan, Yi-Dong Shen
ICLP
2010
Springer
14 years 2 months ago
Dynamic Magic Sets for Disjunctive Datalog Programs
Abstract. Answer set programming (ASP) is a powerful formalism for knowledge representation and common sense reasoning that allows disjunction in rule heads and nonmonotonic negati...
Mario Alviano