A Corpus Collection and Annotation Framework for Learning Multimodal Clarification Strategies Verena Rieser author Ivana Kruijff-Korbayová author Oliver Lemon author 2005-09 text Proceedings of the 6th SIGdial Workshop on Discourse and Dialogue Laila Dybkjær editor Wolfgang Minker editor Special Interest Group on Discourse and Dialogue (SIGdial) Lisbon, Portugal conference publication rieser-etal-2005-corpus 10.18653/v1/2005.sigdial-1.11 https://aclanthology.org/2005.sigdial-1.11/ 2005-09 97 106