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cs.DB2022★ 1 cited
Approximate Order-Preserving Pattern Mining for Time Series
Yan Li, Jin Liu, Yingchun Guo +2
The order-preserving pattern mining can be regarded as discovering frequent trends in time series, since the same order-preserving pattern has the same relative order which can rep…
cs.DB2022
Nonoverlapping (delta, gamma)-approximate pattern matching
Youxi Wu, Bojing Jian, Yan Li +2
Pattern matching can be used to calculate the support of patterns, and is a key issue in sequential pattern mining (or sequence pattern mining). Nonoverlapping pattern matching mea…
cs.DB2022
One-off Negative Sequential Pattern Mining
Youxi Wu, Mingjie Chen, Yan Li +4
Negative sequential pattern mining (SPM) is an important SPM research topic. Unlike positive SPM, negative SPM can discover events that should have occurred but have not occurred,…