Modeling QoS for semantic equivalent web services

被引：0
|
作者：
Shen, DR [1 ]
Yu, G [1 ]
Nie, TZ [1 ]
Li, R [1 ]
Yang, XC [1 ]
机构：
[1] Northeastern Univ, Shenyang, Peoples R China
来源：
ADVANCES IN WEB-AGE INFORMATION MANAGEMENT: PROCEEDINGS | 2004年 / 3129卷
关键词：
D O I：
暂无
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
Quality of Service (QoS) is an important factor for selecting a better Web service from numerous semantic equivalent Web services in Web services composition. In this paper, a QoS model (e_QoS) for evaluating semantic equivalent Web services is proposed, In which, the factors used to evaluate Web Services include Accessed Times, Invoked Success Rate, Average Responding Time, Stability Variance, and Customers Estimation. The performance of Web services in Latest Period of Time, the performance in history and the performance estimated by customers are considered together. By experiments, we concluded that e_QoS is effective for estimating Web services, and can improve the quality of web services composition greatly.
引用
收藏
页码：478 / 488
页数：11
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