Improving the Scalability of Semi-Markov Conditional Random Fields for Named Entity Recognition Daisuke Okanohara author Yusuke Miyao author Yoshimasa Tsuruoka author Jun’ichi Tsujii author 2006-07 text Proceedings of the 21st International Conference on Computational Linguistics and 44th Annual Meeting of the Association for Computational Linguistics Nicoletta Calzolari editor Claire Cardie editor Pierre Isabelle editor Association for Computational Linguistics Sydney, Australia conference publication okanohara-etal-2006-improving 10.3115/1220175.1220234 https://aclanthology.org/P06-1059/ 2006-07 465 472