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FUIN
2007
130views more  FUIN 2007»
15 years 3 months ago
A Logic-Based Approach to Finding Explanations for Discrepancies in Optimistic Plan Execution
Abstract. Consider an agent executing a plan with nondeterministic actions, in a dynamic environment, which might fail. Suppose that she is given a description of this action domai...
Thomas Eiter, Esra Erdem, Wolfgang Faber, Já...
SEMWEB
2004
Springer
15 years 9 months ago
Query Answering for OWL-DL with Rules
Both OWL-DL and function-free Horn rules3 are decidable logics with interesting, yet orthogonal expressive power: from the rules perspective, OWL-DL is restricted to tree-like rule...
Boris Motik, Ulrike Sattler, Rudi Studer
FROCOS
2007
Springer
15 years 7 months ago
From KSAT to Delayed Theory Combination: Exploiting DPLL Outside the SAT Domain
In the last two decades we have witnessed an impressive advance in the efficiency of propositional satisfiability techniques (SAT), which has brought large and previously-intractab...
Roberto Sebastiani
DLOG
2007
15 years 6 months ago
Blocking Automata for PSPACE DLs
In Description Logics (DLs), both tableau-based and automata-based algorithms are frequently used to show decidability and complexity results for basic inference problems such as c...
Franz Baader, Jan Hladik, Rafael Peñaloza
SEBD
2007
121views Database» more  SEBD 2007»
15 years 5 months ago
Query Answering in Expressive Variants of DL-Lite
The use of ontologies in various application domains, such as Data Integration, the Semantic Web, or ontology-based data management, where ontologies provide the access to large am...
Alessandro Artale, Diego Calvanese, Roman Kontchak...