@article { KCK+15, title = {Opinion Marks: A Human-Based Computation Approach to Instill Structure into Unstructured Text on the Web}, journal = {KDD Workshop on Interactive Data Exploration and Analytics}, month = {Aug}, year = {2015}, author = {Kwon, Bum Chul and Choo, Jaegul and Kim, Sung-Hee and Keim, Daniel A. and Park, Haesun and Yi, Ji Soo} }