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