Targeted Help for Spoken Dialogue Systems Beth Ann Hockey author Oliver Lemon author Ellen Campana author Laura Hiatt author Gregory Aist author James Hieronymus author Alexander Gruenstein author John Dowding author 2003-04 text 10th Conference of the European Chapter of the Association for Computational Linguistics Ann Copestake editor Jan Hajič editor Association for Computational Linguistics Budapest, Hungary conference publication hockey-etal-2003-targeted https://aclanthology.org/E03-1075/ 2003-04