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Workflow Discovery: Requirements from E-Science and a Graph-Based Solution

机译:工作流发现:电子科学和基于图形的解决方案的要求

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摘要

Much has been written on the promise of Web service discovery and (semi-) automated composition. In this discussion, the value to practitioners of discovering and reusing existing service compositions, captured in workflows, is mostly ignored. We present the case for workflows and workflow discovery in science and develop one discovery solution. Through a survey with 21 scientists and developers from the ~(my)Grid/Taverna workflow environment, workflow discovery requirements are elicited. Through a user experiment with 13 scientists, an attempt is made to build a benchmark for workflow ranking. Through the design and implementation of a workflow discovery tool, a mechanism for ranking workflow fragments is provided based on graph sub-isomorphism detection. The tool evaluation, drawing on a corpus of 89 public workflows and the results of the user experiment, finds that, for a simple showcase, the average human ranking can largely be reproduced.
机译:关于Web服务发现和(半)自动组合的承诺已经写了很多文章。在此讨论中,工作人员捕获和重用发现并重用现有服务组合对实践者的价值通常被忽略。我们介绍科学中的工作流和工作流发现案例,并开发一种发现解决方案。通过对〜(my)Grid / Taverna工作流环境中的21位科学家和开发人员的调查,得出了工作流发现要求。通过与13位科学家进行的用户实验,尝试建立工作流排名的基准。通过工作流发现工具的设计和实现,提供了一种基于图形亚同构检测的工作流片段排序机制。借助89个公共工作流的语料库和用户实验的结果,该工具评估发现,对于一个简单的展示,可以大致再现平均人类排名。

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