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志愿计算模型形式化方法
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Supported by the National Natural Science Foundation of China under Grant No.60573098 (国家自然科学基金); the National High-Tech Research and Development Plan of China under Grant No.2007AA01Z78 (国家高技术研究发展计划(863)); the National Basic Research Program of China under Grant No.2002CB312002 (国家重点基础研究发展计划(973))


Formal Models and Methods on Volunteer Computing
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    摘要:

    旨在从形式化抽象的角度来认识移动计算的本质特点.分析了志愿计算平台的特征,提出并分析了志愿计算中的3种角色以及志愿计算中资源和构件的概念,介绍了一种关于志愿计算的形式化模型和方法.对系统中的基本元素和交互关系进行了形式化的描述,并通过集合理论和操作规约,又以志愿计算平台XtremWeb为例,描述了构件化的志愿计算形式模型和方法,为系统地研究志愿计算形式化理论打下了基础.

    Abstract:

    This paper aims at revealing the essence of volunteer computing from the point of view of formal abstraction. At first, three elements of volunteer computing are analyzed and outlined. It included some concepts of component and computing resource in volunteer computing. One formal model and method concerning volunteers are introduced. Resource roles such as the basic elements of systems are identified in the abstract model, and modeling volunteer systems by basic elements. Relationships among elements and relationship changes are also characterized, based on set theory and operational reduction rules. And take XtremWeb as an example. These elements and relationships are specified in a formal manner. All of the results can help to build a firm foundation for research of formalisms for volunteer computing.

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王 宇,王志坚.志愿计算模型形式化方法.软件学报,2008,19(5):1125-1133

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  • 收稿日期:2007-06-10
  • 最后修改日期:2007-10-15
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