Dong Xiangjun; Zheng Zhigang; Cao Longbing; Zhao Yanchang; Zhang Chengqi; Li Jinjiu; Wei Wei; Ou Yuming
(ACM, 2011)
Mining Negative Sequential Patterns (NSP) is much more challenging than mining Positive Sequential Patterns (PSP) due to the high computational complexity and huge search space required in calculating Negative Sequential ...