R. Vishnu Priya and A. Vadivel, Revised PLWAP Tree with Non-frequent Items for Mining Sequential Pattern. journal = {International Journal of Computer and Information Engineering}, [online]. World Academy of Science, Engineering and Technology. September 2011, vol. 57(9). 1002 - 1007 [viewed 19 September 2024]. Available from: https://publications.waset.org/pdf/9866.