@ARTICLE{2004-KAIS-Yu,
  AUTHOR = {Wang, W. and Yang, J. and Yu, P.S.},
  TITLE = {WAR: Weighted Association Rules for Item Intensities},
  JOURNAL = {Knowledge and Information Systems},
  VOLUME = {6},
  NUMBER = {2},
  YEAR = {2004},
  PAGES = {203 - 229}
}