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» Layered Models Top-Down Querying of Normal Logic Programs
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PADL
2009
Springer
12 years 6 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
LPNMR
2009
Springer
12 years 1 days ago
Layer Supported Models of Logic Programs
Building upon the 2-valued Layered Models semantics for normal programs, we introduce a refinement — the Layer Supported Models semantics — which, besides keeping all of LMs...
Luís Moniz Pereira, Alexandre Miguel Pinto
EPIA
2005
Springer
11 years 11 months ago
Revised Stable Models - A Semantics for Logic Programs
This paper introduces an original 2-valued semantics for Normal Logic Programs (NLP), which conservatively extends the Stable Model semantics (SM) to all normal programs. The dist...
Luís Moniz Pereira, Alexandre Miguel Pinto
FUIN
2010
130views more  FUIN 2010»
11 years 4 months ago
SLGAD Resolution for Inference on Logic Programs with Annotated Disjunctions
Abstract. Logic Programs with Annotated Disjunctions (LPADs) allow to express probabilistic information in logic programming. The semantics of an LPAD is given in terms of the well...
Fabrizio Riguzzi
AUSAI
2004
Springer
11 years 11 months ago
A Logic Based Approach for Dynamic Access Control
The PolicyUpdater1 system is a fully-implemented access control system that provides policy evaluations as well as dynamic policy updates. These functions are achieved by the use o...
Vino Fernando Crescini, Yan Zhang
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