@inproceedings{2011-orion,
  title = {Orion: A System for Modeling, Transformation and Visualization of Multidimensional Heterogeneous Networks},
  author = {Jeffrey Heer AND Adam Perer},
  booktitle = {IEEE Visual Analytics Science \& Technology (VAST)},
  year = {2011},
  url = {http://vis.stanford.edu/papers/orion}
}