@article{stepwiseacquisitionofdialogueactthrough,
  title = {Stepwise Acquisition of Dialogue Act Through Human-Robot Interaction},
  author = {Akane Matsushima and Ryosuke Kanajiri and Yusuke Hattori and Chie Fukada and Natsuki Oka},
  year = {2018},
  eprint = {1810.09949},
  archivePrefix = {arXiv},
  url = {http://arxiv.org/abs/1810.09949v2},
}