K. Hatzistavrou, G. Kakarontzas and L. Angelis, "Fuzzy Grading for Adaptability in a Learning Platform", Panhellenic Conference on Informatics (PCI 2016), ACM (to appear).

L. Angelis, M. Bohlouli, K. Hatzistavrou, G. Kakarontzas, J. Lopez and J. Zenkert, "The COMALAT approach to individualized e-learning in job-specific language competences", In C. Linnhoff-Popien, R. Schneider, M. Zaddach (Ed.), Digital Marketplaces Unleashed, Springer, 2016 (to appear).