@ARTICLE{2008-KBS-Chan,
  AUTHOR = {Leung, C.W. and Chan, S.C. and Chung, K.F.},
  TITLE = {An empirical study of a cross-level association rule mining approach to cold-start recommendations},
  JOURNAL = {Knowledge Based Systems},
  VOLUME = {21},
  NUMBER = {7},
  YEAR = {2008},
  PAGES = {515 - 529}
}