Counseling Dialog System with 5W1H Extraction Sangdo Han author Kyusong Lee author Donghyeon Lee author Gary Geunbae Lee author 2013-08 text Proceedings of the SIGDIAL 2013 Conference Maxine Eskenazi editor Michael Strube editor Barbara Di Eugenio editor Jason D Williams editor Association for Computational Linguistics Metz, France conference publication han-etal-2013-counseling https://aclanthology.org/W13-4054/ 2013-08 349 353