Matthew Davidson, Karen Renaud, Shujun Li. jCAPTCHA: Accessible Human Validation. In Klaus Miesenberger, Deborah I. Fels, Dominique Archambault, Petr Penáz, Wolfgang L. Zagler, editors, Computers Helping People with Special Needs - 14th International Conference, ICCHP 2014, Paris, France, July 9-11, 2014, Proceedings, Part I. Volume 8547 of Lecture Notes in Computer Science, pages 129-136, Springer, 2014. [doi]
Abstract is missing.