Her research interests include adaptivity and personalization, student modeling, ubiquitous and mobile learning, artificial intelligence, and collaborative learning technologies. She has published more than 60 refereed journal papers, book chapters, and conference papers, of which three conference papers were awarded the best paper award. She is the editor of the Learning Technology Newsletter, a publication of the IEEE Computer Society's Technical Committee on Learning Technology (TCLT). She has given invited talks at universities/companies in Austria, Canada, New Zealand, Taiwan, and the United Kingdom and she is involved in research projects dealing with mobile and ubiquitous learning, adaptivity and personalization in learning systems, student modeling, and the application of e-learning at universities.