The Complexity of Math Problems – Linguistic, or Computational? Takuya Matsuzaki author Hidenao Iwane author Hirokazu Anai author Noriko Arai author 2013-10 text Proceedings of the Sixth International Joint Conference on Natural Language Processing Ruslan Mitkov editor Jong C Park editor Asian Federation of Natural Language Processing Nagoya, Japan conference publication matsuzaki-etal-2013-complexity https://aclanthology.org/I13-1009/ 2013-10 73 81