@Misc{Schulz13Guidance,
  author       = {Hans-Jörg Schulz and Marc Streit and Thorsten May and Christian Tominski},
  title        = {{Towards a Characterization of Guidance in Visualization}},
  year         = {2013},
  howpublished = {Poster at IEEE Conference on Information Visualization (InfoVis)},
  location     = {Atlanta, USA},
}