3 papers
cs.DB2024
Co-occurrence order-preserving pattern mining
Youxi Wu, Zhen Wang, Yan Li +4
Recently, order-preserving pattern (OPP) mining has been proposed to discover some patterns, which can be seen as trend changes in time series. Although existing OPP mining algorit…
cs.DB2023
Repetitive nonoverlapping sequential pattern mining
Meng Geng, Youxi Wu, Yan Li +4
Sequential pattern mining (SPM) is an important branch of knowledge discovery that aims to mine frequent sub-sequences (patterns) in a sequential database. Various SPM methods have…
cs.DB2023
Top-k contrast order-preserving pattern mining
Youxi Wu, Yufei Meng, Yan Li +4
Recently, order-preserving pattern (OPP) mining, a new sequential pattern mining method, has been proposed to mine frequent relative orders in a time series. Although frequent rela…