00332nas a2200133   4500000000100000000000100001008004100002260001700043100001500060700002000075245008300095300001400178490000600192       2015                            d  cJanuary 20151 aA. Prakash1 aC. Chandrasekar00aAn Optimized Multiple Semi-Hidden Markov Model for Credit Card Fraud Detection  a165–1710 v8