李磊Lei Li

副研究员

副研究员 硕士生导师

所在单位:计算机科学与技术系

学历:研究生(博士后)

在职信息:在职

论文成果

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Interval-Valued Intuitionistic Fuzzy Decision with Graph Pattern in Big Graph

发布时间:2022-03-15 点击次数:

发表刊物:IEEE Transactions on Emerging Topics in Computational Intelligence (JCR一区,影响因子4.851)
摘要:Graph pattern matching (GPM) in big graph has been widely used in decision making, such as expert finding, social group discovery, etc. However, these existing works consider neither the preference of the decision maker (DM), nor the subjectivity of constraints during the process of GPM. Therefore, this paper proposes an interval-valued intuitionistic fuzzy decision (IVIFD) with graph pattern in big graph. As traditionally IVIFD can maximally reduce the uncertainty of decision making and it is only valid for small datasets, which makes it impossible to be applied in big graph. In this paper, GPM is adopted to prune the searching space, which makes it possible to process IVIFD under the preference of the DM later. Technically, firstly, each DM selects the preferred vertices and/or edges in big graph, and the interval-valued intuitionistic fuzzy preference (IVIFP) is calculated and used to form the contextual constraints to conduct GPM. Secondly, a probability-certainty density function is introduced to capture the subjective probability of the contextual preference of subgraphs via the bijection from rating space of the context to preference space of the context, which leads to an interval-valued intuitionistic fuzzy set (IVIFS). In addition to the IVIFS, the IVIFD is made through interval-valued intuitionistic fuzzy cross entropy and grey relation degree. Moreover, the weight problem between different contexts is taken into account and handled respectively as three cases. Finally, numerical experiments and perturbation analysis validate the effectiveness and stability of our proposed method, and verify its necessity and efficiency through ablation experiments.
合写作者:江澜,卜晨阳,朱毅,吴信东
第一作者:李磊
论文类型:期刊论文
卷号:6
期号:5
页面范围:1057-1067
是否译文:
发表时间:2022-10-01
收录刊物:SCI
发布期刊链接:https://ieeexplore.ieee.org/document/9691281/