@inproceedings{asonam09,
  author = {Prantik Bhattacharyya and Ankush Garg and S. Felix Wu},
  title = {Social Network Model based on Keyword Categorization},
  booktitle = {Proceedings of the International Conference on Advances in Social 
Networks Analysis and Mining (ASONAM '09)},
  location = {Athens, Greece},
  month = {July},
  year = {2009}
}