@article{DBLP:journals/pami/QuanWQ11,
  author    = {Xiaojun Quan and
               Liu Wenyin and
               Bite Qiu},
  title     = {Term Weighting Schemes for Question Categorization},
  journal   = {IEEE Trans. Pattern Anal. Mach. Intell.},
  volume    = {33},
  number    = {5},
  year      = {2011},
  pages     = {1009-1021},
  ee        = {http://doi.ieeecomputersociety.org/10.1109/TPAMI.2010.154},
  bibsource = {DBLP, http://dblp.uni-trier.de}
}