Unsupervised Topic Modelling for Multi-Party Spoken Discourse Matthew Purver author Konrad P Körding author Thomas L Griffiths author Joshua B Tenenbaum 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 purver-etal-2006-unsupervised 10.3115/1220175.1220178 https://aclanthology.org/P06-1003/ 2006-07 17 24