@InProceedings{foster-giuliani-knoll:2009:ACLIJCNLP, author = {Foster, Mary Ellen and Giuliani, Manuel and Knoll, Alois}, title = {Comparing Objective and Subjective Measures of Usability in a Human-Robot Dialogue System}, booktitle = {Proceedings of the Joint Conference of the 47th Annual Meeting of the ACL and the 4th International Joint Conference on Natural Language Processing of the AFNLP}, month = {August}, year = {2009}, address = {Suntec, Singapore}, publisher = {Association for Computational Linguistics}, pages = {879--887}, url = {http://www.aclweb.org/anthology/P/P09/P09-1099} }