Detecting Fraud in Mobile Telephony Using Neural Networks. - Hernan Grosser; Paola Britos; Ramón García-Martínez (IEA/AIE, 2005)

Detecting Unusual Changes of Users Consumption. - Paola Britos; Hernan Grosser; Darío Rodríguez; Ramón García-Martínez (IFIP AI, 2008)