Risk transportation via a clique number problem formulation. - George Mavrommatis; John-Christ Panayiotopoulos (Eur. J. Oper. Res., 2004)

Marine Insurance with Expert Systems. - John-Christ Panayiotopoulos; M. Pazarzis (Oper. Res., 2007)

Expert system personalized knowledge retrieval. - Dionisios Koutsantonis; John-Christ Panayiotopoulos (Oper. Res., 2011)