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  _____      ___      _____     ______    ______  
 / ____||   / _ \\   / ____||  /_   _//  /_   _// 
/ //---`'  / //\ \\ / //---`'   -| ||-   `-| |,-  
\ \\___   |  ___  ||\ \\___     _| ||_     | ||   
 \_____|| |_||  |_|| \_____||  /_____//    |_||   
  `----`  `-`   `-`   `----`   `-----`     `-`'

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發送短信 : Discovering association rules from structural evolution of tree structured web data