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plasp 3: Towards Effective ASP Planning

Published online by Cambridge University Press:  18 January 2019

YANNIS DIMOPOULOS
Affiliation:
University of Cyprus, Nicosia, Cyprus (e-mail: yannis@cs.ucy.ac.cy)
MARTIN GEBSER
Affiliation:
University of Klagenfurt, Klagenfurt, Austria, Graz University of Technology, Graz, Austria and University of Potsdam, Potsdam, Germany (e-mail: martin.gebser@aau.at)
PATRICK LÜHNE
Affiliation:
University of Potsdam, Potsdam, Germany (e-mails: patrick.luehne@cs.uni-potsdam.de, javier@cs.uni-potsdam.de)
JAVIER ROMERO
Affiliation:
University of Potsdam, Potsdam, Germany (e-mails: patrick.luehne@cs.uni-potsdam.de, javier@cs.uni-potsdam.de)
TORSTEN SCHAUB*
Affiliation:
INRIA Rennes, Rennes, France and University of Potsdam, Potsdam, Germany (e-mail: torsten@cs.uni-potsdam.de)
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Abstract

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We describe the new version of the Planning Domain Definition Language (PDDL)-to-Answer Set Programming (ASP) translator plasp. First, it widens the range of accepted PDDL features. Second, it contains novel planning encodings, some inspired by Satisfiability Testing (SAT) planning and others exploiting ASP features such as well-foundedness. All of them are designed for handling multivalued fluents in order to capture both PDDL as well as SAS planning formats. Third, enabled by multishot ASP solving, it offers advanced planning algorithms also borrowed from SAT planning. As a result, plasp provides us with an ASP-based framework for studying a variety of planning techniques in a uniform setting. Finally, we demonstrate in an empirical analysis that these techniques have a significant impact on the performance of ASP planning.

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Rapid Communication
Copyright
Copyright © Cambridge University Press 2019