R. Sebastiani, P. Giorgini, and J. Mylopoulos. 16th International Conference on Advanced Information Systems Engineering, volume 3084 of Lecture Notes in Computer Science, page 20-35. Riga, Latvia, (June 2004)
L. Liu, E. Yu, and J. Mylopoulos. 2nd Symposium on Requirements Engineering for Information Security(SREIS 02). Raleigh, Raleigh, North Carolina, (October 2002)
H. Mouratidis, P. Giorgini, and G. Manson. Proceedings of the KES 2003 Invited Session Ontology and Multiagent Systems Desing (OMASD'03), University of Oxford, United Kingdom, (September 2003)