Titlebook: Data Mining and Big Data; 6th International Co Ying Tan,Yuhui Shi,Jun Cai Conference proceedings 2021 Springer Nature Singapore Pte Ltd. 20

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The Construction of Knowledge Graph for Personalized Online Teaching,tions. In this paper, some subject knowledge graphs are constructed to adapt to the educational development in big data environment, and the relationships between knowledge nodes are analyzed in order to provide students with a personalized online teaching for knowledge learning. Specially, a knowle

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A Generalized , Divergence for Multisource Information Fusion,belief degree of elements in Dempster-Shafer theory. But how to measure the divergence among . is still under research. This paper proposes a novel belief divergence measure based on classic . divergence. Comparing to the existing divergence, the new proposed divergence performs better in measuring

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,Certificateless Proxy Authentication Scheme on Lattices Under the Background of Big Data,y signatures based on the decomposition of large integers and the difficulty of discrete logarithms, lattice-based cryptography have higher security and computational efficiency. This paper uses the pre-image sampling algorithm and trapdoor generation algorithm to construct a certificateless proxy s