@InProceedings{tu-EtAl:2012:ACL2012short,
  author    = {Tu, Zhaopeng  and  He, Yifan  and  Foster, Jennifer  and  van Genabith, Josef  and  Liu, Qun  and  Lin, Shouxun},
  title     = {Identifying High-Impact Sub-Structures for Convolution Kernels in Document-level Sentiment Classification},
  booktitle = {Proceedings of the 50th Annual Meeting of the Association for Computational Linguistics (Volume 2: Short Papers)},
  month     = {July},
  year      = {2012},
  address   = {Jeju Island, Korea},
  publisher = {Association for Computational Linguistics},
  pages     = {338--343},
  url       = {http://www.aclweb.org/anthology/P12-2066}
}