@article { CEH*:2009, title = {Data, Information, and Knowledge in Visualization}, journal = {IEEE Computer Graphics and Applications}, volume = {29}, number = {1}, year = {2009}, pages = {12-19}, author = {Chen, M. and Ebert D.S. and Hans Hagen and Laramee, R.S. and van Liere, R. and Ma, K.-L. and Ribarsky, W. and Gerik Scheuermann and Silver, D. and Knowledge in Visualization} }