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CSFW
2008
IEEE
15 years 10 months ago
An Authorization Logic With Explicit Time
We present an authorization logic that permits reasoning with explicit time. Following a proof-theoretic approach, we study the meta-theory of the logic, including cut elimination...
Henry DeYoung, Deepak Garg, Frank Pfenning
CADE
2007
Springer
16 years 4 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
ENTCS
2007
101views more  ENTCS 2007»
15 years 4 months ago
Semantic Determinism and Functional Logic Program Properties
In modern functional logic languages like Curry or Toy, programs are possibly non-confluent and nonterminating rewrite systems, defining possibly non-deterministic non-strict fu...
José Miguel Cleva, Francisco Javier L&oacut...
KR
2004
Springer
15 years 9 months ago
Optimization Techniques for Retrieving Resources Described in OWL/RDF Documents: First Results
Practical description logic systems play an ever-growing role for knowledge representation and reasoning research even in distributed environments. In particular, the often-discus...
Volker Haarslev, Ralf Möller
ICFP
2006
ACM
16 years 4 months ago
Polymorphism and separation in hoare type theory
In previous work, we proposed a Hoare Type Theory (HTT) which combines effectful higher-order functions, dependent types and Hoare Logic specifications into a unified framework. H...
Aleksandar Nanevski, Greg Morrisett, Lars Birkedal