Grammatiki Tsaganou, Maria Grigoriadou, Theodora Cavoura. Diagnostic and Learning Interaction System for Historical Text Comprehension. In M. H. Hamza, editor, The 21st IASTED International Multi-Conference on Applied Informatics (AI 2003), February 10-13, 2003, Innsbruck, Austria. pages 297-302, IASTED/ACTA Press, 2003.