Workshop on Computational Methods in Applied Sciences, Columbia University, September 23 - 25, 2011

         Workshop on Statistical Methods in Diagnostic Assessments, Columbia University, April 27 - 28, 2012

         The Second Workshop on Computational Methods in Applied Sciences, Columbia University, Dec 2, 2012

         The Second Workshop on Statistical Methods in Diagnostic Assessments, Columbia University, May 16 - 18, 2013

         The Third Workshop on Statistical Methods in Cognitive Assessments, Shanghai Center of Mathematical Sciences at Fudan University, May 27 - 31, 2014

         International Conference on Applied Probability and Computational

Shanghai Center of Mathematical Sciences at Fudan University, November 2 and 3, 2015

         Fourth Conference on the Statistical Methods in Psychometrics

Columbia University, August 30 to September 1, 2016