Call-Based Fraud Detection in Mobile Communication Networks Using a Hierarchical Regime-Switching Model.

Jaakko Hollmén Volker Tresp Call-Based Fraud Detection in Mobile Communication Networks Using a Hierarchical Regime-Switching Model. 889-895 http://nips.djvuzone.org/djvu/nips11/0889.djvu 1998 conf/nips/1998 NIPS db/conf/nips/nips1998.html#HollmenT98