@inproceedings{dialoguesystemcharacterisationbyback,
  title = {Dialogue System Characterisation by Back-channelling Patterns Extracted from Dialogue Corpus},
  author = {Masashi Inoue and Hiroshi Ueno},
  year = {2016},
  booktitle = {LREC 2016 5},
  url = {https://aclanthology.org/L16-1434},
}