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| Description
| - The International Planning Competitions have led to the development of the standard modeling framework for describing planning domains and problems Planning Domain Description Language (PDDL). The majority of planning research is done around problems modeled in PDDL though there are only a few applications adopting PDDL. The planning model of independent actions connected only via causal relations is very exible, but it also makes plans less predictable (plans look di erent than expected by the users) and it is probably also one of the reasons of bad practical eciency of current planners (visibly wrong plans are blindly explored by the planners). In this paper we argue that grouping actions into exible sub-plans is a way to overcome the eciency problems. The idea is that in- stead of seeing actions as independent entities that are causally connected via action preconditions and e ects, we suggest using a form of nite state automaton (FSA) to describe the expected sequences of actions. The arcs in FSA are annotated by conditions guiding the planner to explore only proper paths in the automaton. The second idea is composing primitive actions into meta-actions, which decreases the size of FSA and makes planning much faster. The main motivation is to give users more control over the action sequencing with two primary goals: obtaining more pre- dictable plans and improving eciency of planning. The presented ideas originate from solving the Petrobras logistic problem, where this technique outperformed classical planning models.
- The International Planning Competitions have led to the development of the standard modeling framework for describing planning domains and problems Planning Domain Description Language (PDDL). The majority of planning research is done around problems modeled in PDDL though there are only a few applications adopting PDDL. The planning model of independent actions connected only via causal relations is very exible, but it also makes plans less predictable (plans look di erent than expected by the users) and it is probably also one of the reasons of bad practical eciency of current planners (visibly wrong plans are blindly explored by the planners). In this paper we argue that grouping actions into exible sub-plans is a way to overcome the eciency problems. The idea is that in- stead of seeing actions as independent entities that are causally connected via action preconditions and e ects, we suggest using a form of nite state automaton (FSA) to describe the expected sequences of actions. The arcs in FSA are annotated by conditions guiding the planner to explore only proper paths in the automaton. The second idea is composing primitive actions into meta-actions, which decreases the size of FSA and makes planning much faster. The main motivation is to give users more control over the action sequencing with two primary goals: obtaining more pre- dictable plans and improving eciency of planning. The presented ideas originate from solving the Petrobras logistic problem, where this technique outperformed classical planning models. (en)
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| Title
| - On Modeling Planning Problems: Experience From The Petrobras Challenge
- On Modeling Planning Problems: Experience From The Petrobras Challenge (en)
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| skos:prefLabel
| - On Modeling Planning Problems: Experience From The Petrobras Challenge
- On Modeling Planning Problems: Experience From The Petrobras Challenge (en)
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| skos:notation
| - RIV/00216208:11320/13:10195095!RIV14-GA0-11320___
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| http://linked.open...avai/riv/aktivita
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| http://linked.open...avai/riv/aktivity
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| http://linked.open...vai/riv/dodaniDat
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| http://linked.open...aciTvurceVysledku
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| http://linked.open.../riv/druhVysledku
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| http://linked.open...iv/duvernostUdaju
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| http://linked.open...titaPredkladatele
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| http://linked.open...dnocenehoVysledku
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| http://linked.open...ai/riv/idVysledku
| - RIV/00216208:11320/13:10195095
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| http://linked.open...riv/jazykVysledku
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| http://linked.open.../riv/klicovaSlova
| - Petrobras Challenge; Modeling of Planning Problems (en)
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| http://linked.open.../riv/klicoveSlovo
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| http://linked.open...ontrolniKodProRIV
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| http://linked.open...v/mistoKonaniAkce
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| http://linked.open...i/riv/mistoVydani
| - Jindřichův Hradec, Czech Republic
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| http://linked.open...i/riv/nazevZdroje
| - Proceedings of the 16th Czech-Japan Seminar on Data Analysis and Decision Making
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| http://linked.open...in/vavai/riv/obor
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| http://linked.open...ichTvurcuVysledku
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| http://linked.open...cetTvurcuVysledku
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| http://linked.open...vavai/riv/projekt
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| http://linked.open...UplatneniVysledku
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| http://linked.open...iv/tvurceVysledku
| - Barták, Roman
- Zhou, Neng-Fa
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| http://linked.open...vavai/riv/typAkce
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| http://linked.open.../riv/zahajeniAkce
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| number of pages
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| http://purl.org/ne...btex#hasPublisher
| - Published by Faculty of Management, University of Economics
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| https://schema.org/isbn
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| http://localhost/t...ganizacniJednotka
| |
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