@InProceedings{he-wang:2012:PAPERS,
  author    = {He, Zhengyan  and  Wang, Houfeng},
  title     = {A Comparison and Improvement of Online Learning Algorithms for Sequence Labeling},
  booktitle = {Proceedings of COLING 2012},
  month     = {December},
  year      = {2012},
  address   = {Mumbai, India},
  publisher = {The COLING 2012 Organizing Committee},
  pages     = {1147--1162},
  url       = {http://www.aclweb.org/anthology/C12-1070}
}