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» On the Expressibility of Stable Logic Programming
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CADE
2003
Springer
16 years 4 days ago
Foundational Certified Code in a Metalogical Framework
Foundational certified code systems seek to prove untrusted programs to be safe relative to safety policies given in terms of actual machine architectures, thereby improving the s...
Karl Crary, Susmit Sarkar
ECAI
2008
Springer
15 years 1 months ago
A Coherent Well-founded Model for Hybrid MKNF Knowledge Bases
Abstract. With the advent of the Semantic Web, the question becomes important how to best combine open-world based ontology languages, like OWL, with closed-world rules paradigms. ...
Matthias Knorr, José Júlio Alferes, ...
CASCON
2004
108views Education» more  CASCON 2004»
15 years 1 months ago
Consistent query answering under inclusion dependencies
For several reasons a database may not satisfy certain integrity constraints (ICs), for example, when it is the result of integrating several independent data sources. However, mo...
Loreto Bravo, Leopoldo E. Bertossi
PPDP
2009
Springer
15 years 6 months ago
Reasoning with hypothetical judgments and open terms in hybrid
Hybrid is a system developed to specify and reason about logics, programming languages, and other formal systems expressed in rder abstract syntax (HOAS). An important goal of Hyb...
Amy P. Felty, Alberto Momigliano
CSL
2004
Springer
15 years 5 months ago
The Boundary Between Decidability and Undecidability for Transitive-Closure Logics
To reason effectively about programs, it is important to have some version of a transitive-closure operator so that we can describe such notions as the set of nodes reachable from ...
Neil Immerman, Alexander Moshe Rabinovich, Thomas ...