摘要
首先比较了当前资源调度的各种方法,讨论了把市场机制与语义相结合的原因及重要性。提出了基于市场机制和语义的服务调度模型(Market-Semantic)。它包括本体相似度的计算、效用函数的确定、资源价格的确定、求约束条件下资源分配的最优解等。设计了基于语义元的本体相似性度量方法,把服务的性价比作为效用函数,实现了市场机制与语义的有效结合,为市场机制下根据语义获取用户满意的服务提供了一个方法与途径。最后,把Market-Se-mantic模型与Max-Semantic,Semantic-Cost-Max-Min等进行了比较,验证了Market-Semantic既能有效地分配资源,又能为用户提供满意的服务。
We have a comparison of some present methods of resource scheduling and then we discuss the reason and importance of the market mechanism, and the methods of finding the best solution of the resource allocation. We design a method to measure the similarity of ontology based on semantic elements. We propose a model of service scheduling on the basis of the market and semantic matching （Market-Semantic）. There provides a method to combine the market and semantic, there has a method of computing of the ontology similarity, the selecting of the efficiency functions, the decision of the price of the resource, and the solution of the resource allocation on the constraint condition. Finally, we have a comparison of the model between Max-Semantic and Semantic-Cost-Max-Min,it shows that our methods can not only allocate the resource, buic also provide the satisfying service for user.
出处
《计算机科学》
CSCD
北大核心
2008年第8期180-182,212,共4页
Computer Science
基金
973项目:基于语义的资源协同和管理研究(编号:2003CB317008)
西南大学科技创新基金(编号:2006011)
关键词
市场机制
本体
相似性
服务调度
语义
网格
Market mechanism, Ontology, Similarity, Service scheduling, Semantic, Grid
