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» On the rules of intermediate logics
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SEMWEB
2010
Springer
13 years 7 months ago
Representing and Querying Validity Time in RDF and OWL: A Logic-Based Approach
RDF(S) and OWL 2 currently support only static ontologies. In practice, however, the truth of statements often changes with time, and Semantic Web applications often need to repres...
Boris Motik
CADE
1998
Springer
14 years 1 months ago
System Description: leanK 2.0
Abstract. leanK is a "lean", i.e., extremely compact, Prolog implementation of a free variable tableau calculus for propositional modal logics. leanK 2.0 includes additio...
Bernhard Beckert, Rajeev Goré
LOGCOM
2008
94views more  LOGCOM 2008»
13 years 9 months ago
Preservation of Interpolation Features by Fibring
Fibring is a metalogical constructor that permits to combine different logics by operating on their deductive systems under certain natural restrictions, as for example that the t...
Walter Alexandre Carnielli, João Rasga, Cri...
CADE
2002
Springer
14 years 9 months ago
A Gradual Approach to a More Trustworthy, Yet Scalable, Proof-Carrying Code
Abstract. Proof-carrying code (PCC) allows a code producer to associate to a program a machine-checkable proof of its safety. In the original approach to PCC, the safety policy inc...
Robert R. Schneck, George C. Necula
PODS
2007
ACM
171views Database» more  PODS 2007»
14 years 9 months ago
The complexity of reasoning about pattern-based XML schemas
In a recent paper, Martens et al. introduced a specification mechanism for XML tree languages, based on rules of the form r s, where r, s are regular expressions. Sets of such ru...
Gjergji Kasneci, Thomas Schwentick