@InProceedings{kitagawa-tanakaishii:2011:IJCNLP-2011,
  author    = {Kitagawa, Kotaro  and  Tanaka-Ishii, Kumiko},
  title     = {Relational Lasso —An Improved Method Using the Relations Among Features—},
  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     = {1080--1088},
  url       = {http://www.aclweb.org/anthology/I11-1121}
}