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电子学报  2012 

基于扩展图规划的Top-K服务组合方法研究

DOI: 10.3969/j.issn.0372-2112.2012.07.019, PP. 1404-1409

Keywords: 服务组合,Top-K,扩展图规划,辅助节点

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Abstract:

自动服务组合是目前云计算中的关键技术与研究热点.为大规模用户提供多个满足个性化需求的组合服务是当前云环境下自动服务组合中急需解决的问题.提出了基于扩展图规划的Top-K服务组合方法,借助服务索引和增加图规划中的辅助节点,使得经过一次规划搜索即可找到Top-K个满足用户QoS要求的组合服务.实验表明,该方法能够有效提高服务组合的效率,并保证服务组合结果的正确性,更加适用于云计算环境下海量网络服务及大规模用户个性化需求的自动服务组合问题.

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