Imen KETATA graduated from the Faculty of Economics and Management of Sfax in 2005, obtained her Master degree from the National Institute of Applied Sciences of Lyon, France, in 2007 and her Ph.D degree from Paul Sabatier University of Toulouse, France, in January 2012. She is Assistant Professor at the Faculty of Sciences of Sfax, Tunisia. Her research work focuses on Cloud Computing, Big Data, Virtualisation, Data Integration, Ontology, Semantics, Resource Discovery. She is member of the Data Engineering and Semantics Research Unit at the Faculty of Sciences of Sfax, Tunisia.