基于差值诱导的Web服务评价可信度的评估

doi:10.11959/j.issn.1000-0801.2016215

Abstract

Abstract:

Historical comments of requestors provide important references for Web service selections.However，the information is subjective.An approach to evaluate the confidence of the comments through differential induction based on data of objective QoS（quality of service）and subjective score of comments was proposed.Firstly，the similarity relation between requestors was judged，according to different values of QoS produced by the same service invoked by more than one requestor.Then，the evaluation algorithm of confidence was built based on previous similarity relation and the subjective score of the corresponding requestor.Finally，the balanced factor of confidence formed by the algorithm assessed whether the comments from requestors are reliable.Algorithm analysis and experimental results show that the method is feasible and effective.

Key words: Web service, service requestor, service rating, credibility evaluation

Qingbo GONG,Jun NIU,Xiuting SUN,Kui WANG. Confidence of comments evaluated for Web service based on difference-induced[J]. Telecommunications Science, 2016, 32(8): 90-96.

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编号	属性名称	属性描述	属性单位
1	响应时间（rt）	从提出请求到接受请求的时间	ms
2	可用性（ava）	服务在某个时期内可用的概率	%
3	吞吐量（thr）	每秒内最大可被调用的次数	调用数/s
4	成功率（suc）	得到响应消息的服务所占的比率	%
5	可靠性（rel）	错误消息在总消息中所占的比率	%
6	可扩展性（bsp）	服务符合WS-I规范的程度	%
7	时延（lat）	服务执行一次请求所花费的时间	ms

Confidence of comments evaluated for Web service based on difference-induced

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