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By leveraging online social networks as an underlying infrastructure, Social Participatory Network (SPN) has been becoming a new paradigm of participatory sensing systems. However, a significant barrier to the widespread use of SPN applications is their vulnerability to various forms of malicious attacks. Such threats inhibit human participation and thus the viability of SPN systems in everyday use...
A web service security analysis model based on program slicing is proposed, which can be used to find existence of critical information disclosure vulnerabilities and proliferation of such vulnerabilities in a web service net, and eventually improve protection of critical information. Web service protocol is analyzed to obtain external service interfaces; source code is sliced to obtain interface...
Evaluation of teaching is one of the important items of the internal quality assurance system in many higher institutions in China. This paper aims to find a better method to make evaluation on teaching accurate as much as possible. It then provides a grey evaluation model of estimating the indicator system of teaching quality on the basis of the related reference, in which an evaluation methodology...
Stakeholders who directly affect requirements are rarely emphasized concretely in requirement risk analysis. In this paper, we propose a stakeholder-focused requirement risk assessment method where goal graph is used to express requirementspsila relationship. On account of different features, risk factors are analyzed separately between requirement providers and project team members divided from stakeholders...
A spectral clustering intrusion detection approach is presented in this paper. The basic idea of the approach is to compute the similarities between the training data points, then to construct the affinity matrix, and to get the clusters according the main eigenvector of this affinity matrix. With the classified data instances, anomaly data clusters can be easily identified by normal cluster ratio...
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