@article{2019-draco,
 title = {Formalizing Visualization Design Knowledge as Constraints: Actionable and Extensible Models in Draco},
 author = {Dominik Moritz AND Chenglong Wang AND Gregory Nelson AND Halden Lin AND Adam M. Smith AND Bill Howe AND Jeffrey Heer},
 journal = {IEEE Trans. Visualization \& Comp. Graphics (Proc. InfoVis)},
 year = {2019},
 url = {http://idl.cs.washington.edu/papers/draco},
}