@InProceedings{chen-EtAl:2015:ACL-IJCNLP2,
  author    = {Chen, Weizheng  and  Wang, Jinpeng  and  Zhang, Yan  and  Yan, Hongfei  and  Li, Xiaoming},
  title     = {User Based Aggregation for Biterm Topic Model},
  booktitle = {Proceedings of the 53rd Annual Meeting of the Association for Computational Linguistics and the 7th International Joint Conference on Natural Language Processing (Volume 2: Short Papers)},
  month     = {July},
  year      = {2015},
  address   = {Beijing, China},
  publisher = {Association for Computational Linguistics},
  pages     = {489--494},
  url       = {http://www.aclweb.org/anthology/P15-2080}
}