Hiroyuki Shindo, Akinori Fujino, Masaaki Nagata. Insertion Operator for Bayesian Tree Substitution Grammars. In The 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies, Proceedings of the Conference, 19-24 June, 2011, Portland, Oregon, USA - Short Papers. pages 206-211, The Association for Computer Linguistics, 2011. [doi]