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Sequential pattern mining, which discovers the correlation relationships from the ordered list of events, is an important research field in data mining area. In this paper, I develop a Tree Based Incremental Sequential Pattern Mining algorithm which can generate sequential patterns from the Sequential Pattern Tree recursively. This algorithm builds a Sequential Pattern Tree for both frequent and non-frequent items. It requires only one scan of database to build the tree which can reduce thedoi:10.5281/zenodo.3930173 fatcat:ijuckkk5tfg3jhue7ehcl3r5uy