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AAAI
2006
15 years 7 months ago
Characterizing Data Complexity for Conjunctive Query Answering in Expressive Description Logics
Description Logics (DLs) are the formal foundations of the standard web ontology languages OWL-DL and OWL-Lite. In the Semantic Web and other domains, ontologies are increasingly ...
Magdalena Ortiz, Diego Calvanese, Thomas Eiter
AAAI
1996
15 years 7 months ago
Closed Terminologies in Description Logics
We introduce a predictive concept recognition methodology for description logics based on a new closed terminology assumption. During knowledge engineering, our system adopts the ...
Robert A. Weida
ISMIS
2005
Springer
15 years 12 months ago
The Chisholm Paradox and the Situation Calculus
Deontic logic is appropriate to model a wide variety of legal arguments, however this logic suffers form certain paradoxes of which the so-called Chisholm is one of the most notor...
Robert Demolombe, Maria del Pilar Pozos Parra
DEXA
2000
Springer
95views Database» more  DEXA 2000»
15 years 10 months ago
Formalizing Workflows Using the Event Calculus
The event calculus is a logic programming formalism for representing events and their effects especially in database applications. This paper presents the use of the event calculus...
Nihan Kesim Cicekli, Yakup Yildirim
CAISE
1999
Springer
15 years 10 months ago
Modeling Dynamic Domains with ConGolog
In this paper, we describe the process specification language ConGolog and show how it can be used to model business processes for requirements analysis. In ConGolog, the effects...
Yves Lespérance, Todd G. Kelley, John Mylop...