Erik Dovgan Bostjan Kaluza Tea Tusar Matjaz Gams Agent-Based Security System for User Verification. 331-334 2009 Web Intelligence/IAT Workshops http://dx.doi.org/10.1109/WI-IAT.2009.295 conf/iat/2009w db/conf/iat/iatw2009.html#DovganKTG09