@article{LYK+12a,
 author = {Luo, D. and Yang, Jun and Krstajic, Milos and Ribarsky, William and Keim, Daniel A.},
 journal = {Transactions on Visualization and Computer Graphics},
 month = {Jan},
 number = {1},
 pages = {93-105},
 publisher = {IEEE},
 title = { EventRiver: Visually Exploring Text Collections with Temporal References},
 volume = {18},
 year = {2012}
}