Gestural Cohesion for Topic Segmentation Jacob Eisenstein author Regina Barzilay author Randall Davis author 2008-06 text Proceedings of ACL-08: HLT Johanna D Moore editor Simone Teufel editor James Allan editor Sadaoki Furui editor Association for Computational Linguistics Columbus, Ohio conference publication eisenstein-etal-2008-gestural https://aclanthology.org/P08-1097/ 2008-06 852 860