@article{KZKS12a,
 author = {Keim, Daniel A. and Zhang, Leishi and Krstajic, Milos and Simon, Svenja},
 journal = {Journal of Multimedia Processing and Technologies, Special Issue on Theory and Application of Visual Analytics},
 number = {1},
 pages = {1-11},
 title = {Solving Problems with Visual Analytics: Challenges and Applications},
 volume = {3},
 year = {2012}
}