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» Abduction in PDT Logic
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IJCAI
2001
13 years 11 months ago
Computing Strongest Necessary and Weakest Sufficient Conditions of First-Order Formulas
A technique is proposed for computing the weakest sufficient (wsc) and strongest necessary (snc) conditions for formulas in an expressive fragment of first-order logic using quant...
Patrick Doherty, Witold Lukaszewicz, Andrzej Szala...
KRDB
1996
123views Database» more  KRDB 1996»
13 years 11 months ago
Flexible Query-Answering Systems Modelled in Metalogic Programming
Metaprogramming adds new expressive power to logic programming which can be advantageous to transfer to the field of deductive databases. We propose metaprogramming as a way to mo...
Troels Andreasen, Henning Christiansen
CORR
2008
Springer
151views Education» more  CORR 2008»
13 years 9 months ago
Checking the Quality of Clinical Guidelines using Automated Reasoning Tools
Requirements about the quality of clinical guidelines can be represented by schemata borrowed from the theory of abductive diagnosis, using temporal logic to model the time-orient...
Arjen Hommersom, Peter J. F. Lucas, Patrick van Bo...
JSC
2010
106views more  JSC 2010»
13 years 8 months ago
Verifying pointer safety for programs with unknown calls
We study the automated verification of pointer safety for heap-manipulating imperative programs with unknown procedure calls. Given a Hoare-style partial correctness specificati...
Chenguang Luo, Florin Craciun, Shengchao Qin, Guan...
PADL
2009
Springer
14 years 10 months ago
Layered Models Top-Down Querying of Normal Logic Programs
Abstract. For practical applications, the use of top-down query-driven proofprocedures is essential for an efficient use and computation of answers using Logic Programs as knowledg...
Alexandre Miguel Pinto, Luís Moniz Pereira