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AMAI
2008
Springer
15 years 3 months ago
Integrating answer set programming and constraint logic programming
We introduce a knowledge representation language AC(C) extending the syntax and semantics of ASP and CR-Prolog, give some examples of its use, and present an algorithm, ACsolver, ...
Veena S. Mellarkod, Michael Gelfond, Yuanlin Zhang
IJCAI
2001
15 years 4 months ago
A Comparative Study of Logic Programs with Preference
We are interested in semantical underpinnings for existing approaches to preference handling in extended logic programming (within the framework of answer set programming). As a s...
Torsten Schaub, Kewen Wang
ICLP
2010
Springer
15 years 6 months ago
Tight Semantics for Logic Programs
We define the Tight Semantics (TS), a new semantics for all NLPs complying with the requirements of: 2-valued semantics; preserving the models of SM; guarantee of model existence...
Luís Moniz Pereira, Alexandre Miguel Pinto
AAAI
2004
15 years 4 months ago
Loop Formulas for Circumscription
Clark's completion is a simple nonmonotonic formalism and a special case of several nonmonotonic logics. Recently there has been work on extending completion with "loop ...
Joohyung Lee, Fangzhen Lin
PADL
2009
Springer
16 years 3 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