A Regression-based Approach to Modeling Addressee Backchannels Allison Terrell author Bilge Mutlu author 2012-07 text Proceedings of the 13th Annual Meeting of the Special Interest Group on Discourse and Dialogue Gary Geunbae Lee editor Jonathan Ginzburg editor Claire Gardent editor Amanda Stent editor Association for Computational Linguistics Seoul, South Korea conference publication terrell-mutlu-2012-regression https://aclanthology.org/W12-1639/ 2012-07 280 289