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On the stable model semantics for intensional functions

Published online by Cambridge University Press:  25 September 2013

MICHAEL BARTHOLOMEW  and
JOOHYUNG LEE
MICHAEL BARTHOLOMEW
Affiliation:
School of Computing, Informatics, and Decision Systems Engineering Arizona State University, Tempe, USA (e-mail: mjbartho@asu.edu, joolee@asu.edu)
JOOHYUNG LEE
Affiliation:
School of Computing, Informatics, and Decision Systems Engineering Arizona State University, Tempe, USA (e-mail: mjbartho@asu.edu, joolee@asu.edu)
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Abstract

Several extensions of the stable model semantics are available to describe ‘intensional’ functions—functions that can be described in terms of other functions and predicates by logic programs. Such functions are useful for expressing inertia and default behaviors of systems, and can be exploited for alleviating the grounding bottleneck involving functional fluents. However, the extensions were defined in different ways under different intuitions. In this paper we provide several reformulations of the extensions, and note that they are in fact closely related to each other and coincide on large syntactic classes of logic programs.

Keywords

answer set programmingstable modelsintensional functions
Type
Regular Papers
Information
Theory and Practice of Logic Programming , Volume 13 , Special Issue 4-5: 29th International Conference on Logic Programming , July 2013 , pp. 863 - 876
Copyright
Copyright © 2013 [MICHAEL BARTHOLOMEW and JOOHYUNG LEE] 

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