This research was supported in part by the Hunan Province’s Strategic and Emerging Industrial Projects under Grant 2018GK4035;in part by the Hunan Province’s Changsha Zhuzhou Xiangtan National Independent Innovation Demonstration Zone projects under Grant 2017XK2058;in part by the National Natural Science Foundation of China under Grant 61602171;in part by the Scientific Research Fund of Hunan Provincial Education Department under Grant 17C0960 and 18B037.
Currently,the top-rank-k has been widely applied to mine frequent patterns with a rank not exceeding k.In the existing algorithms,although a level-wise-search could fully mine the target patterns,it usually leads to t...