Akrivi Krouska is a Postdoctoral Researcher in the Department of Informatics and Computer Engineering, University of West Attica, Greece. She has received a Ph.D. Degree in Informatics from the Department of Informatics, University of Piraeus, Greece, a M.Sc. degree in “Information Systems” from University of Athens, Greece and a B.Sc. degree in Informatics from University of Piraeus, Greece. She has published a significant number of articles in international conferences, books and journals. Her research interests are in the areas of social networking services, sentiment analysis, learning analytics, user modeling and artificial intelligence in education.