东北大学学报（自然科学版）

东北大学学报(自然科学版) ›› 2010, Vol. 31 ›› Issue (6): 791-794.DOI: -

• 论著 • 上一篇    下一篇

基于执行日志的Web服务QoS获取机制

张明卫;张斌;黄利萍;朱志良;   

  1. 东北大学软件学院;东北大学信息科学与工程学院;
  • 收稿日期:2013-06-20 修回日期:2013-06-20 出版日期:2010-06-15 发布日期:2013-06-20
  • 通讯作者: -
  • 作者简介:-
  • 基金资助:
    国家自然科学基金资助项目(60773218,60903009);;

Research of execution log-based Web service QoS acquisition mechanism

Zhang, Ming-Wei (1); Zhang, Bin (2); Huang, Li-Ping (1); Zhu, Zhi-Liang (1)   

  1. (1) School of Software, Northeastern University, Shenyang 110004, China; (2) School of Information Science and Engineering, Northeastern University, Shenyang 110004, China
  • Received:2013-06-20 Revised:2013-06-20 Online:2010-06-15 Published:2013-06-20
  • Contact: Zhang, M.-W.
  • About author:-
  • Supported by:
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摘要： 为了有效地解决Web服务QoS数据的获取问题,从统计学角度出发,提出了一种基于执行日志的Web服务QoS获取方法.该方法首先根据要获取的Web服务QoS属性集,分析执行日志所需记载的内容并记载日志;然后基于执行日志生成Web服务的QoS点数据集,其中考虑了基于实际执行所采集的QoS点数据所具有的采集量小、数据分布不均匀等问题,并给出了相应的解决方法;在此基础上完成对Web服务QoS数据的查询与预测.实验表明,所提出的Web服务QoS数据的获取方法是准确可行的.

关键词: Web服务, 服务质量, 执行日志, 获取, 插值

Abstract: To solve the problem of the acquisition of Web service QoS effectively, this paper proposes an execution log based Web service QoS acquisition approach from the statistic point of view. Firstly, based on the Web service QoS attributes desiring to be acquired, this approach analyzes the log contents that have to be logged in and generates the execution log. Then, the Web service QoS point data set is extracted. For the problem that the QoS point data collected by real execution is small and distributes ununiformly, corresponding solutions are given. Finally, on the basis of the generated QoS point data set, the querying and prediction approaches of Web service QoS data are described. Experimental results show that the Web service QoS acquisition approach is accurate and practicable.

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