Proceedings of the International Conference on Automated Planning and Scheduling最新文献

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Action Elimination and Plan Neighborhood Graph Search: Two Algorithms for Plan Improvement 行动消除和计划邻域图搜索:两种计划改进算法
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2021-05-25 DOI: 10.1609/icaps.v20i1.13402
Hootan Nakhost, Martin Müller
{"title":"Action Elimination and Plan Neighborhood Graph Search: Two Algorithms for Plan Improvement","authors":"Hootan Nakhost, Martin Müller","doi":"10.1609/icaps.v20i1.13402","DOIUrl":"https://doi.org/10.1609/icaps.v20i1.13402","url":null,"abstract":"\u0000 \u0000 Compared to optimal planners, satisficing planners can solve much harder problems but may produce overly costly and long plans. Plan quality for satisficing planners has become increasingly important. The most recent planning competition IPC-2008 used the cost of the best known plan divided by the cost of the generated plan as an evaluation metric. This paper proposes and evaluates two simple but effective methods for plan improvement: Action Elimination improves an existing plan by repeatedly removing sets of irrelevant actions. Plan Neighborhood Graph Search finds a new, shorter plan by creating a plan neighborhood graph PNG(π) of a given plan π, and then extracts a shortest path from PNG(π). Both methods are implemented in the Aras postprocessor and are empirically shown to improve the result of several planners, including the top four planners from IPC-2008, under competition conditions.\u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"45 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132530357","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
From Automated Verification to Automated Design 从自动化验证到自动化设计
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2021-05-25 DOI: 10.1609/icaps.v20i1.13428
M. Vardi
{"title":"From Automated Verification to Automated Design","authors":"M. Vardi","doi":"10.1609/icaps.v20i1.13428","DOIUrl":"https://doi.org/10.1609/icaps.v20i1.13428","url":null,"abstract":"In this talk I will review 50 years of research on the design-synthesis problem and show how the automata-theoretic approach can be used to solve it.","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"100 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-05-25","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115108069","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Plan, Repair, Execute, Explain - How Planning Helps to Assemble your Home Theater 计划,修理,执行,解释-计划如何帮助组装你的家庭影院
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2014-05-11 DOI: 10.1609/icaps.v24i1.13664
P. Bercher, Susanne Biundo-Stephan, T. Geier, Thilo Hoernle, F. Nothdurft, Felix Richter, B. Schattenberg
{"title":"Plan, Repair, Execute, Explain - How Planning Helps to Assemble your Home Theater","authors":"P. Bercher, Susanne Biundo-Stephan, T. Geier, Thilo Hoernle, F. Nothdurft, Felix Richter, B. Schattenberg","doi":"10.1609/icaps.v24i1.13664","DOIUrl":"https://doi.org/10.1609/icaps.v24i1.13664","url":null,"abstract":"\u0000 \u0000 In various social, work-related, or educational contexts, an increasing demand for intelligent assistance systems can be observed. In this paper, we present a domain-independent approach that combines a number of planning and interaction components to realize advanced user assistance. Based on a hybrid planning formalism, the components provide facilities including the generation, execution, and repair as well as the presentation and explanation of plans. We demonstrate the feasibility of our approach by means of a system that aims to assist users in the assembly of their home theater. An empirical evaluation shows the benefit of such a supportive system, in particular for persons with a lack of domain expertise.\u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"97 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116452049","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 76
Planning the Behaviour of Low-Cost Quadcopters for Surveillance Missions 为监视任务规划低成本四轴飞行器的行为
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2014-05-11 DOI: 10.1609/icaps.v24i1.13670
S. Bernardini, M. Fox, D. Long
{"title":"Planning the Behaviour of Low-Cost Quadcopters for Surveillance Missions","authors":"S. Bernardini, M. Fox, D. Long","doi":"10.1609/icaps.v24i1.13670","DOIUrl":"https://doi.org/10.1609/icaps.v24i1.13670","url":null,"abstract":"\u0000 \u0000 Micro Aerial Vehicles (MAVs) are increasingly regarded as a valid low-cost alternative to UAVs and ground robots in surveillance missions and a number of other civil and military applications. Research on autonomous MAVs is still in its infancy and has focused almost exclusively on integrating control and computer vision techniques to achieve reliable autonomous flight. In this paper, we describe our approach to using automated planning in order to elicit high-level intelligent behaviour from autonomous MAVs engaged in surveillance applications. Planning offers effective tools to handle the unique challenges faced by MAVs that relate to their fast and unstable dynamics as well as their low endurance and small payload capabilities. We demonstrate our approach by focusing on the \"Parrot AR.Drone2.0\" quadcopter and Search-and-Tracking missions, which involve searching for a mobile target and tracking it after it is found.\u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"13 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126232406","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 45
LP-Based Heuristics for Cost-Optimal Planning 基于lp的成本最优规划启发式算法
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2014-05-11 DOI: 10.1609/icaps.v24i1.13621
F. Pommerening, G. Röger, M. Helmert, Blai Bonet
{"title":"LP-Based Heuristics for Cost-Optimal Planning","authors":"F. Pommerening, G. Röger, M. Helmert, Blai Bonet","doi":"10.1609/icaps.v24i1.13621","DOIUrl":"https://doi.org/10.1609/icaps.v24i1.13621","url":null,"abstract":"\u0000 \u0000 Many heuristics for cost-optimal planning are based on linear programming. We cover several interesting heuristics of this type by a common framework that fixes the objective function of the linear program. Within the framework, constraints from different heuristics can be combined in one heuristic estimate which dominates the maximum of the component heuristics. Different heuristics of the framework can be compared on the basis of their constraints. With this new method of analysis, we show dominance of the recent LP-based state-equation heuristic over optimal cost partitioning on single-variable abstractions.  We also show that the previously suggested extension of the state-equation heuristic to exploit safe variables cannot lead to an improved heuristic estimate. We experimentally evaluate the potential of the proposed framework on an extensive suite of benchmark tasks.\u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"51 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128914365","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 76
Satellite Data Download Management with Uncertainty about the Generated Volumes 生成卷不确定的卫星数据下载管理
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2014-05-11 DOI: 10.1609/icaps.v24i1.13661
C. Pralet, G. Verfaillie, A. Maillard, E. Hébrard, Nicolas Jozefowiez, Marie-José Huguet, T. Desmousceaux, Pierre Blanc-Paques, J. Jaubert
{"title":"Satellite Data Download Management with Uncertainty about the Generated Volumes","authors":"C. Pralet, G. Verfaillie, A. Maillard, E. Hébrard, Nicolas Jozefowiez, Marie-José Huguet, T. Desmousceaux, Pierre Blanc-Paques, J. Jaubert","doi":"10.1609/icaps.v24i1.13661","DOIUrl":"https://doi.org/10.1609/icaps.v24i1.13661","url":null,"abstract":"\u0000 \u0000 Earth observation satellites are space sensors which acquire data, compress and record it on board, and then download it to the ground. Because of the use of more and more sophisticated compression algorithms, the amount of data resulting from an acquisition is more and more unpredictable. In such conditions, planning satellite data download activities offline on the ground is more and more problematic. In this paper, we report the results of a work aiming at evaluating the positive impact of planning downloads onboard when the amount of data produced by each acquisition is known.The data download problem to be solved on board is an assignment and scheduling problem with unsharable resources, precedence constraints, time-dependent minimum durations, and a complex optimization criterion. The generic InCELL library is used to model constraints and criterion, to check non temporal constraints, to propagate temporal constraints, and to evaluate the criterion. On top of this library, greedy and local search algorithms have been designed to produce download plans with limited time and computing resources available on board. \u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"261 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122286979","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 15
Chance-Constrained Consistency for Probabilistic Temporal Plan Networks 概率时间计划网络的机会约束一致性
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2014-05-11 DOI: 10.1609/icaps.v24i1.13651
P. Santana, B. Williams
{"title":"Chance-Constrained Consistency for Probabilistic Temporal Plan Networks","authors":"P. Santana, B. Williams","doi":"10.1609/icaps.v24i1.13651","DOIUrl":"https://doi.org/10.1609/icaps.v24i1.13651","url":null,"abstract":"\u0000 \u0000 Unmanned deep-sea and planetary vehicles operate in highly uncertain environments. Autonomous agents often are not adopted in these domains due to the risk of mission failure, and loss of vehicles. Prior work on contingent plan execution addresses this issue by placing bounds on uncertain variables and by providing consistency guarantees for a `worst-case' analysis, which tends to be too conservative for real-world applications. In this work, we unify features from trajectory optimization through risk-sensitive execution methods and high-level, contingent plan execution in order to extend existing guarantees of consistency for conditional plans to a chance-constrained setting. The result is a set of efficient algorithms for computing plan execution policies with explicit bounds on the risk of failure. To accomplish this, we introduce Probabilistic Temporal Plan Network (pTPN), which improve previous formulations, by incorporating probabilistic uncertainty and chance-constraints into the plan representation. We then introduce a novel method to the chance-constrained strong consistency problem, by leveraging a conflict-directed approach that searches for an execution policy that maximizes reward while meeting the risk constraint. Experimental results indicate that our approach for computing strongly consistent policies has an average scalability gain of about one order of magnitude, when compared to current methods based on chronological search.\u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"32 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114197130","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 23
A Heuristic Approach to Planning with Incomplete STRIPS Action Models 不完全条形动作模型的启发式规划方法
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2014-05-11 DOI: 10.1609/icaps.v24i1.13635
T. Nguyen, S. Kambhampati
{"title":"A Heuristic Approach to Planning with Incomplete STRIPS Action Models","authors":"T. Nguyen, S. Kambhampati","doi":"10.1609/icaps.v24i1.13635","DOIUrl":"https://doi.org/10.1609/icaps.v24i1.13635","url":null,"abstract":"\u0000 \u0000 Most current planners assume complete domain models and focus on generating correct plans. Unfortunately, domain modeling is a laborious and error-prone task, thus real world agents have to plan with incomplete domain models. While domain experts cannot guarantee completeness, often they are able to circumscribe the incompleteness of the model by providing annotations as to which parts of the domain model may be incomplete. In this paper, we study planning problems with incomplete STRIPS domain models where the annotations specify possible preconditions and effects of actions. We show that the problem of assessing the quality of a plan, or its plan robustness, is #P-complete, establishing its equivalence with the weighted model counting problems. We introduce two approximations, lower and upper bound, for plan robustness, and then utilize them to derive heuristics for synthesizing robust plans. Our planning system, PISA, incorporating stochastic local search with these novel techniques outperforms a state-of-the-art planner handling incomplete domains in most of the tested domains, both in terms of plan quality and planning time.\u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"53 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122428291","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 19
Analyzing the Impact of Partial States on Duplicate Detection and Collision of Frontiers 分析部分状态对边界重复检测和碰撞的影响
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2014-05-11 DOI: 10.1609/icaps.v24i1.13677
Vidal Alcázar, S. Fernández, D. Borrajo
{"title":"Analyzing the Impact of Partial States on Duplicate Detection and Collision of Frontiers","authors":"Vidal Alcázar, S. Fernández, D. Borrajo","doi":"10.1609/icaps.v24i1.13677","DOIUrl":"https://doi.org/10.1609/icaps.v24i1.13677","url":null,"abstract":"\u0000 \u0000 Partial states are states in which the truth value of one or more propositions is unknown. Such states are usually generated in regression and represent not a single state but rather a set of states. Because of this, a new partial state can be a subset of another existent partial state, phenomenon known as subsumption of states. Subsumed states can be pruned as if they were a duplicate. However, regular duplicate detection methods cannot detect such cases. Furthermore, subsumption of states also occurs when forward and backward search algorithms are integrated into a bidirectional planner. In these cases, the forward frontier contains only complete states and the backward frontier will often contain partial states. In this work, we analyze the impact that subsumption of states has on search and propose methods for duplicate detection and detection of collision of frontiers.\u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131993816","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 4
Non-Deterministic Planning With Conditional Effects 具有条件效应的非确定性规划
Proceedings of the International Conference on Automated Planning and Scheduling Pub Date : 2014-05-11 DOI: 10.1609/icaps.v24i1.13682
Christian Muise, Sheila A. McIlraith, Vaishak Belle
{"title":"Non-Deterministic Planning With Conditional Effects","authors":"Christian Muise, Sheila A. McIlraith, Vaishak Belle","doi":"10.1609/icaps.v24i1.13682","DOIUrl":"https://doi.org/10.1609/icaps.v24i1.13682","url":null,"abstract":"\u0000 \u0000 Recent advances in fully observable non-deterministic (FOND) planning have enabled new techniques for various applications, such as behaviour composition, among others. One key limitation of modern FOND planners is their lack of native support for conditional effects. In this paper we describe an extension to PRP, the current state of the art in FOND planning, that supports the generation of policies for domains with conditional effects and non-determinism. We present core modifications to the PRP planner for this enhanced functionality without sacrificing soundness and completeness. Additionally, we demonstrate the planner's capabilities on a variety of benchmarks that include actions with both conditional effects and non-deterministic outcomes. The resulting planner opens the door to models of greater expressivity, and does so without affecting PRP's efficiency.\u0000 \u0000","PeriodicalId":300570,"journal":{"name":"Proceedings of the International Conference on Automated Planning and Scheduling","volume":"17 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2014-05-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"134109773","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 28
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