首页> 外文会议>International Conference on Automated Planning and Scheduling(ICAPS 2006); 2006; >Automated Web Service Composition by On-The-Fly Belief Space Search
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Automated Web Service Composition by On-The-Fly Belief Space Search

机译:通过即时信任空间搜索自动进行Web服务组合

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摘要

Composition of staleful web services expressed in BPEL4WS can be recasted as a problem of planning in asynchronous domains. In (PTB05), this is pursued by encoding the asynchronous and partially observable behaviors of services within a domain whose states represent beliefs on the state of each service. In this work, we propose a novel approach, where such belief-level domain is not built explicitly, but rather visited on-the-fly. We evaluate the relative merits of the approaches, showing the advantages of the on-the-fly approach for a significant class of composition problems.
机译:BPEL4WS中表达的过时Web服务的组成可以作为异步域中的计划问题而重新广播。在(PTB05)中,这是通过对域中服务的异步和部分可观察到的行为进行编码来实现的,该域的状态表示对每个服务状态的信念。在这项工作中,我们提出了一种新颖的方法,其中这种信任级别的域不是显式构建的,而是动态访问的。我们评估了这些方法的相对优点,显示了针对大量构图问题的动态方法的优势。

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