♦Professor Yu Bin  from UC Berkeley and professor Jiang Min from Peking University visited our lab on Jun. 24th 2009. Prof. Yu Bin gave a lecture "Seeking Interpretable Models for High Dimensional Data".  Prof. Xu Zongben also discussed with she about the thing of exchangestudent. In the afernoon,  Prof. Yu discussed with the students of science college about how to do sciencitic research.