@conference{nonaka:2015:SM,
  title = {Big Data Visual Analytics},
  author = {Nonaka, Jorji and Ono, Kenji},
  booktitle = {NII Shonan Meeting Report No. 2015-7},
  year = {2015},
  month = {Nov. 11},
  issn = {ISSN 2186-7437},
  location = {Hayama, Japan},
  organization = {National Institute of Informatics},
}