@article{nohara15iee,
  author = {Akihiro Nohara and Shun Shiramatsu and Tadachika Ozono and Toramatsu Shintani},
  title = {Analyzing existing unstructured mountaineering plans for machine readability},
  journal = {Information Engineering Express},
  publisher = {International Institute of Applied Informatics},
  series = {},
  volume = {1},
  number = {4},
  pages = {75--84},
  year = {2015},
  doi = {10.52731/iee.v1.i4.28},
  url = {}
}