Yongli Ren is a Senior Lecturer at the Computer Science and Information Technology, School of Science, at RMIT University in Melbourne, Australia. He has won the “Alfred Deakin Medal for Doctoral Thesis” 2013 at Deakin University, and the “best paper” award at the IEEE/ACM ASONAM 2012 Conference. He has a PhD degree in Information Technology from Deakin University, Australia. His research interest lies in: Personalisation, Recommender System, Collaborative Filtering, Web Mining, and Log Analysis.