A Distributed Optimal Scheme Based on Local QoS for Web Service Composition

被引：4
|
作者：
Dai Huijun [1 ]
Qu Hua [1 ]
Zhao Jihong [1 ]
Dong Wenhan [2 ]
Xie Wujie [2 ]
机构：
[1] Xi An Jiao Tong Univ, Sch Elect Informat, Xian 710049, Shaanxi, Peoples R China
[2] Air Force Engn Univ, Aeronaut & Astronaut Engn Inst, Xian 710038, Peoples R China
来源：
CHINA COMMUNICATIONS | 2014年 / 11卷 / 01期
基金：
国家高技术研究发展计划(863计划); 中国国家自然科学基金;
关键词：
local QoS; service composition; distributed optimal scheme; instance path; KNOWLEDGE;
D O I：
10.1109/CC.2014.7022538
中图分类号：
TN [电子技术、通信技术];
学科分类号：
0809 ;
摘要：
The goal of web service composition is to choose an optimal scheme according to Quantity of Service (QoS) which selects instances in a distributed network. The networks are clustered with some web services such as ontologies, algorithms and rule engines with similar function and interfaces. In this scheme, web services acted as candidate service construct a distributed model which can't obtain the global services' information. The model is utilized to choose instances according to local QoS information in the progress of service composition. Some QoS matrixes are used to record and compare the instance paths and then choose a better one. Simulation result has proven that our approach has a tradeoff between efficiency and equality.
引用
收藏
页码：142 / 147
页数：6
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