@article { BTK11a, title = {Quality Metrics in High-Dimensional Data Visualization: An Overview and Systematization}, journal = {IEEE Symposium on Information Visualization (InfoVis)}, month = {Dec}, number = {12}, pages = {pages 2203-2212}, year = {2011}, author = {Bertini, Enrico and Tatu, Andrada and Keim, Daniel A.} }