@INPROCEEDINGS{2007-WIC-Chan,
  TITLE = {Applying Cross-Level Association Rule Mining to Cold-Start Recommendations},
  BOOKTITLE = {Proceedings of the 2007 IEEE/WIC/ACM International Conference on Web Intelligence and International Conference on Intelligent Agent Technology},
  AUTHOR = {Leung, C.W. and Chan, S.C. and Chung, K.F.},
  PAGES = {133--136},
  ADDRESS = {Silicon Valley, CA, USA}, 
  YEAR = {2007}
}