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A Cross-Domain Trust Model of Smart City IoT Based on Self-Certification

Intelligent Automation & Soft Computing 2023年第4期36卷 981-996页

作者： Yao Wang Yubo Wang Zhenhu Ning Sadaqat ur Rehman Muhammad waqas Faculty of Information Technology Beijing University of TechnologyBeijing100124China Department of Natural and Computing Science University of AberdeenUK School of Engineering Edith Cowan UniversityPerth6027Australia

Smart city refers to the information system with Intemet of things and cloud computing as the core tec hnology and government management and industrial development as the core content,forming a large scale,heterogeneous and dynamic distributed Internet of things environment between different Internet of *** is a wide demand for cooperation between equipment and management institutions in the smart ***,it is necessary to establish a trust mechanism to promote cooperation,and based on this,prevent data disorder caused by the interaction between honest terminals and malicious ***,most of the existing research on trust mechanism is divorced from the Internet of things environment,and does not consider the characteristics of limited computing and storage capacity and large differences of Internet of hings devices,resuling in the fact that the research on abstract trust trust mechanism cannot be directly applied to the Internet of things;On the other hand,various threats to the Internet of things caused by security vulnerabilities such as collision attacks are not *** at the security problems of cross domain trusted authentication of Intelligent City Internet of things terminals,a cross domain trust model(CDTM)based on self-authentication is *** most trust models,this model uses self-certiﬁed *** cross-domain process of internet of things(IoT)terminal can quickly establish a trust relationship with the current domain by providing its trust certiﬁcate stored in the previous domain *** the same time,in order to alleviate the collision attack and improve the accuracy of trust evaluation,the overall trust value is calculated by comprehensively considering the quantity weight,time attenuation weight and similarity ***,the simulation results show that CDTM has good anti collusion attack *** success rate of malicious interaction will not increase signiﬁ*** with other model

关键词： Smart city cross-domain trust model self-certiﬁcation trust evaluation

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Sarcoidosis-Lymphoma Syndrome: A Spectrum of One Disease

引用

Journal of Cosmetics, Dermatological Sciences and Applications 2015年第3期5卷 181-188页

作者： Khalifa E. Sharquie Raafa K. Al-Hayani waqas S. Abdulwahhab Abd-Allah S. Mohammed The Scientific Council of Dermatology and Venereology-Iraqi and Arab Board for Medical Specializations Department of Dermatology and Venereology Baghdad Teaching Hospital College of Medicine University of Baghdad Baghdad Iraq

Lymphoma might occur in association with sarcoidosis or sarcoidosis might be combined with lymphoma, in so called (“sarcoidosis-lymphoma syndrome”). This syndrome is well reported in medical literature. The question, which one starts before is difficult to answer, as in some cases sarcoidosis starts first then is followed by lymphoma but in other cases during the course of lymphoma sarcoid reaction might be seen. In the present report, we describe a case of 60 years male patient that is presented with a rash with classical sarcoid pathology that overtime changes into typical lymphoma ended with death.

关键词： Sarcoidosis Lymphoma Granuloma

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