Social Goals in Conversational Cooperation Guido Boella author Rossana Damiano author Leonardo Lesmo author 2000-10 text 1st SIGdial Workshop on Discourse and Dialogue Association for Computational Linguistics Hong Kong, China conference publication boella-etal-2000-social 10.3115/1117736.1117746 https://aclanthology.org/W00-1010/ 2000-10 84 93