@Article{keim2009vakdsi,
  author = 	 {Daniel A. Keim and Florian Mansmann and Jim Thomas},
  title = 	 {Visual Analytics: How Much Visualization and How Much Analytics?},
  journal = 	 {SIGKDD Explorations},
  year = 	 2009,
  volume = 	 11,
  number = 	 2,
  pages = 	 {5--8},
  month = 	 {December},
}