@article{katayama14ijndc,
  author = {Shin-ya Katayama and Takushi Goda and Shun Shiramatsu and Tadachika Ozono and Toramatsu Shintani},
  title = {On a Drawing-Frequency based Layered Canvas Mechanism for Collaborative Paper Editing Support Systems},
  journal = {International Journal of Networked and Distributed Computing},
  publisher = {},
  series = {},
  volume = {2},
  number = {2},
  pages = {91--99},
  year = {2014},
  doi = {10.2991/ijndc.2014.2.2.3},
  url = {}
}