Implicitly-supervised Learning in Spoken Language Interfaces: an Application to the Confidence Annotation Problem Dan Bohus author Alexander Rudnicky author 2007-09 text Proceedings of the 8th SIGdial Workshop on Discourse and Dialogue Harry Bunt editor Simon Keizer editor Tim Paek editor Association for Computational Linguistics Antwerp, Belgium conference publication bohus-rudnicky-2007-implicitly 10.18653/v1/2007.sigdial-1.46 https://aclanthology.org/2007.sigdial-1.46/ 2007-09 256 264