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Design and Realization of Situation Perception Trust Service Software

Author: JiangWei
Tutor: YeBaiLong；LiaoGang
School: Hunan University
Course: Software Engineering
Keywords: Service software Trust trust relationship Trust model and trust rules
CLC: TP311.52
Type: Master's thesis
Year: 2009
Downloads: 39
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Abstract


With the development of the open net environment, Net provides a real, dynamic and interrelated information environment,but also complex and unpredictable.so it makes the development of software service technology more challenging when dealing with this open,complex and dynamic environment. service provider has to face so many inquiries including boon (trusted) inquiries and malicious (untrusted)inquiries.how to protect servicer avoid from thismalicious damages? When at the same time protecting servicing this trusted and legitimate inquiries well? It’s the current research hot point of the sofeware development.A traditional service software developing method normally pays attention to the function demands of provided services and assumes that all service requestors may adopt trusty actions. When the service software provides services, the software may be utilized by baleful service requestors due to the opening performance of the service system, and thereby recognition and analysis of the trust relationship between service providers and requestors is very important for integrating the function into the service software. Although many researches aiming at service quality monitoring are available at present, a method for developing and monitoring the service software automatically from the aspect of trust is unavailable by now. The paper researches aiming at standardizing trust schemes for developing situation perception trust service software and integrating trust computation schemes in the process of service automatic interactive analysis and decision-making.This article’s aim is to design an environment-perceptive service software frame, providing an environment-perceptive model so as to conduct the service software develpoment, and applying this result in the specific work. The core research of this artile is how to analysis interchangeable service data,how to caculate the credibility of the inquiries,as well as making decisions under applications running,while the running environment condition is not integrated, service inquires are untrusted,even these inquiries are malevolent. It should punish the service requester who breaks the trust rules,and accept the trusted service requesters.the main research contents as following:(1)A developing frame of the situation perception trust service software is designed. The canonical use of expanded UML languages (UML trust) by trust schemes is allowed, the trust schemes of the service providers are defined, and trust models are integrated into the software to calculate the degree of credibility of the service requestors. (2)A trust model CAT (situation perception trust) is designed to integrate trust calculation into total system development; the trust schemes are converted into trust rules to monitor service interaction. The service requestors who disobey the trust rules will be punished, and the service requestors who do not disobey the trust rules can obtain service admission.(3)A trust service admission algorism is proposed on the basis of the trust model CAT which is designed by the paper and is used for deciding whether admission services are provided for the service requestors or not on the basis of the degree of credibility of the service requestors.(4)The wide adaptability of the developing frame and the effectiveness of the trust model CAT and the admission algorism are validated in the experiment application.

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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