@INPROCEEDINGS{2000-PAKDD-Cheung,
  TITLE = {Density-Based Mining of Quantitative Association Rules},
  BOOKTITLE = {Proceedings of the 4th Pacific-Asia Conference on Advances in Knowledge Discovery and Data Mining, PAKDD 2000},
  AUTHOR = {Cheung, D.W. and Wang, L. and Yiu, S. and Zhou, B.},
  PAGES = {257-268},
  ADDRESS = {Kyoto, Japan}, 
  YEAR = {2000}
}