@InProceedings{liu-liang-sun:2012:PAPERS,
  author    = {Liu, Zhiyuan  and  Liang, Chen  and  Sun, Maosong},
  title     = {Topical Word Trigger Model for Keyphrase Extraction},
  booktitle = {Proceedings of COLING 2012},
  month     = {December},
  year      = {2012},
  address   = {Mumbai, India},
  publisher = {The COLING 2012 Organizing Committee},
  pages     = {1715--1730},
  url       = {http://www.aclweb.org/anthology/C12-1105}
}