MPOWERS: a Multi Points Of VieW Evaluation Refine Studio Marianne Laurent author Philippe Bretier author 2010-09 text Proceedings of the SIGDIAL 2010 Conference Yasuhiro Katagiri editor Mikio Nakano editor Association for Computational Linguistics Tokyo, Japan conference publication laurent-bretier-2010-mpowers https://aclanthology.org/W10-4350/ 2010-09 265 268