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The rapid development of social network theory provides a new perspective for the research on counter-terrorism, but current research mostly relates to terrorists and terrorist organizations. Firstly, the "six-element" analysis method for terrorist activities based on social network is proposed in this paper, namely, a variety of sub-networks are constructed according to the correlation...
Basing Permanent-Transitory Model and Information Shares Model, this paper studies the contribution on price discovery of CSI 300 index futures market, using 1 minute, 5 minutes and daily data. Permanent-Transitory Model shows that CSI 300 index futures market plays a more important role in price discovery than does the cash market. Information Shares Model shows that the higher frequency of data,...
In this paper, we explore an application of fuzzy similar relation (FSR) to variable precision rough set (VPRS) model for fuzzy multi-objective linear programming (FMOLP) in service provider (SP) selection of mobile operators. First, we describe the problem of FMOLP for SP selection, where the attribute value of SPs is transformed into a relative membership. Next, we define an FSR, based on which...
This paper aims to achieve intelligent dynamic management on quality of service (QoS) in mobile communication networks. Due to the advantages in knowledge discovery, variable precision rough set (VPRS) theory is used as a management technology of network operations. In this paper, we establish models based on VPRS to obtain the diagnosis rules, the significance of the indices, the ??-stable intervals,...
In the mean-variance-skewness-kurtosis framework, this study solve multiple conflicting and competing portfolio objectives such as maximizing expected return and skewness and minimizing risk and kurtosis simultaneously, by construction of a polynomial goal programming (PGP) model into which investor preferences over higher return moments are incorporated. To examine its practicality, the approach...
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