@InProceedings{qu-liu:2011:IJCNLP-2011,
  author    = {Qu, Zhonghua  and  Liu, Yang},
  title     = {Finding Problem Solving Threads in Online Forum},
  booktitle = {Proceedings of 5th International Joint Conference on Natural Language Processing},
  month     = {November},
  year      = {2011},
  address   = {Chiang Mai, Thailand},
  publisher = {Asian Federation of Natural Language Processing},
  pages     = {1413--1417},
  url       = {http://www.aclweb.org/anthology/I11-1164}
}