منابع مشابه
The Roamer-p Planner
Roamer-p is a search-based planner designed for parallel computers. In addition to a deterministic heuristic search, it uses multiple instances of random walks to explore the search space. The idea is inspired by the following well-observed phenomenon on best-first search: when the heuristic function is misleading or not informative, a heuristic search has to explore a large number of states wi...
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heuristic state-space planner, and comments on the results obtained from the Fifth International Conference on Artificial Intelligence Planning and Scheduling (AIPS’00) planning competition. The GRT planner works in two phases. In the preprocessing phase, it estimates the distances between the facts and the goals of the problem. During the search phase, the estimates are used to guide a forward...
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This short paper provides a high-level description of the planner CBP (Cost-Based Planner). CBP performs heuristic search in the state space using several heuristics. On one hand it uses look-ahead states based on relaxed plans to speed-up the search; on the other hand the search is also guided using a numerical heuristic and a selection of actions extracted from a relaxed planning graph. The r...
متن کاملThe HealthDoc Sentence Planner
This paper describes the Sentence Planner (sP) in the HealthDoc project, which is concerned with the production of customized patienteducation material from a source encoded in terms of plans. The task of the sP is to transform selected, not necessarily consecutive, plans (which may vary in detail, from text plans specifying only content and discourse organization to fine-grained but incohesive...
متن کاملPlan Permutation Symmetries as a Source of Planner Inefficiency
This paper briefly reviews sources of symmetry in planning and highlights one source that has not previously been tackled: plan permutation symmetry. Symmetries can be a significant problem for efficiency of planning systems, as has been previously observed in the treatment of other forms of symmetry in planning problems. We examine how plan permutation symmetries can be eliminated and present ...
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ژورنال
عنوان ژورنال: Environment and Planning B: Planning and Design
سال: 1995
ISSN: 0265-8135,1472-3417
DOI: 10.1068/b220001