Initial Study on Automatic Identification of Speaker Role in Broadcast News Speech Yang Liu author 2006-06 text Proceedings of the Human Language Technology Conference of the NAACL, Companion Volume: Short Papers Robert C Moore editor Jeff Bilmes editor Jennifer Chu-Carroll editor Mark Sanderson editor Association for Computational Linguistics New York City, USA conference publication liu-2006-initial https://aclanthology.org/N06-2021/ 2006-06 81 84