@InProceedings{yokoi-EtAl:2018:EMNLP,
  author    = {Yokoi, Sho  and  Kobayashi, Sosuke  and  Fukumizu, Kenji  and  Suzuki, Jun  and  Inui, Kentaro},
  title     = {Pointwise HSIC: A Linear-Time Kernelized Co-occurrence Norm for Sparse Linguistic Expressions},
  booktitle = {Proceedings of the 2018 Conference on Empirical Methods in Natural Language Processing},
  month     = {October-November},
  year      = {2018},
  address   = {Brussels, Belgium},
  publisher = {Association for Computational Linguistics},
  pages     = {1763--1775},
  url       = {http://www.aclweb.org/anthology/D18-1203}
}