Titlebook: Meta-Programming in Logic; Third International A. Pettorossi Conference proceedings 1992 Springer-Verlag Berlin Heidelberg 1992 Automat.Re

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Hierarchical meta-logics: Intuitions, proof theory and semantics,investigate the relationship that we want to hold between meta-theory and object-theory. We then outline a methodology in which reflection rules serve to deductively generate a meta-theory from its object theory. Finally, we apply this methodology and define a hierarchical meta-logic, namely a forma

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Negation and control in automatically generated logic programs,ricted, without loss of generality, so that the only negated calls appearing in a program are unifications, as in [10]. If called nonground, these predicates are . in a logic programming language with a flexible execution rule. [10] presents proposals for automatically delaying calls to predicates u

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Transforming normal programs by replacement, correctness of the operation wrt Fitting‘s and Kunen‘s semantics. We show how replacement can mimic other transformation operations such as thinning, fattening and folding, thus producing applicability conditions for them too. Furthermore we characterize a transformation sequence for which the pres

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Meta-programming for reordering literals in deductive databases,o given object programs, is an elegant technique for the transformation of logic programs. In this paper we show how to apply this technique to the compilation of . evaluation strategies for DATALOG with negation, and hence to query optimization in deductive databases. We demonstrate our approach on

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Luis Fariñas del Cerro,Andreas Herziged by scholars engaged in the qualitative study of macro social phenomena, QCA acts as a bridge between the quantitative and the qualitative traditions. The QCA package for R, created by the author, facilitates QCA within a graphical user interface. This book provides the most current information on

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