@InProceedings{ouyang-li-zhang:2010:SemEval,
  author    = {Ouyang, You  and  Li, Wenjie  and  Zhang, Renxian},
  title     = {273. Task 5. Keyphrase Extraction Based on Core Word Identification and Word Expansion},
  booktitle = {Proceedings of the 5th International Workshop on Semantic Evaluation},
  month     = {July},
  year      = {2010},
  address   = {Uppsala, Sweden},
  publisher = {Association for Computational Linguistics},
  pages     = {142--145},
  url       = {http://www.aclweb.org/anthology/S10-1029}
}