TRAN Thi Ngoc Trang studied Computer Science at College of Sciences – Hue University, Viet Nam and graduated in 2009 as MSc. At the moment, she is a PostDoc at The Institute of Software Technology – Graz University of Technology. Her research interests include Logic programming, Integrated Information Systems and Recommender Systems. She wrote her master thesis on the topic “A research on the semantics and the implementation in Constraint Logic Programming”.