@INPROCEEDINGS{1999-KDD-Liu,
  TITLE = {Pruning and Summarizing the Discovered Associations},
  BOOKTITLE = {Proceedings of the 5th ACM SIGKDD international conference on Knowledge discovery and data mining, 1999},
  AUTHOR = {Liu, B. and Hsu, W. and Ma, Y.},
  PAGES = {125-134},
  ADDRESS = {San Diego, CA, USA}, 
  YEAR = {1999}
}