Huiqi Zhang, center, graduated in May 2010 with a Ph.D. in Computer Science and Engineering. At graduation, Dr. Zhang is shown with UNT Provost Warren Burggren on his left and Dr. Ram Dantu, his major professor, on his right. Dr. Zhang defended his dissertation on April 15, 2010. The title of his dissertation was "Socioscope: Human Relationship and Behavior Analysis in Mobile Social Networks." In addition to Dr. Dantu, Dr. Philip Sweany from the Department of Computer Science and Engineering, Dr. Parthasarathy Guturu from the Department of Electrical Engineering, and Dr.