@InProceedings{MasahikoItoh:2015,
  author = {Masahiko Itoh, Daisaku Yokoyama, Masashi Toyoda, and Masaru Kitsuregawa},
  title = {A System for Visual Exploration of Caution Spots from Vehicle Recorder Data},
  booktitle = {IEEE Conference on Visual Analytics Science and Technology (VAST 2015) },
  year      = {2015},
}