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» Decidability and Undecidability in Probability Logic
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CSL
2010
Springer
13 years 9 months ago
Two-Variable Logic with Two Order Relations - (Extended Abstract)
d Abstract) Thomas Schwentick and Thomas Zeume TU Dortmund University The finite satisfiability problem for two-variable logic over structures with unary relations and two order re...
Thomas Schwentick, Thomas Zeume
DLOG
2006
13 years 10 months ago
Extending the SHOIQ(D) Tableaux with DL-safe Rules: First Results
On the Semantic Web, there has been increasing demand for a ruleslike expressivity that goes beyond OWL-DL. Efforts of combining rules languages and description logics usually pro...
Vladimir Kolovski, Bijan Parsia, Evren Sirin
CADE
2006
Springer
14 years 9 months ago
On Keys and Functional Dependencies as First-Class Citizens in Description Logics
We investigate whether identification constraints such as keys and functional dependencies can be granted full status as a concept constructor in a Boolean-complete description log...
David Toman, Grant E. Weddell
FORMATS
2008
Springer
13 years 10 months ago
Some Recent Results in Metric Temporal Logic
Metric Temporal Logic (MTL) is a widely-studied real-time extension of Linear Temporal Logic. In this paper we survey results about the complexity of the satisfiability and model c...
Joël Ouaknine, James Worrell
CADE
2007
Springer
14 years 9 months ago
Conservative Extensions in the Lightweight Description Logic EL
We bring together two recent trends in description logic (DL): lightweight DLs in which the subsumption problem is tractable and conservative extensions as a central tool for forma...
Carsten Lutz, Frank Wolter