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A calling instance is detected as forged when the new sequence is not accepted by the trained model with sufficiently high probability. The efficacy of the proposed system is demonstrated by extensive experiments carried out with Reality Mining dataset. Furthermore, the comparative analysis performed with other clustering methods and another approach recently proposed in the literature justifies the effectiveness of the proposed algorithm.<\/p>","DOI":"10.4018\/ijse.2016070102","type":"journal-article","created":{"date-parts":[[2017,2,23]],"date-time":"2017-02-23T11:22:49Z","timestamp":1487848969000},"page":"23-44","source":"Crossref","is-referenced-by-count":1,"title":["Detection of Mobile Phone Fraud Using Possibilistic Fuzzy C-Means Clustering and Hidden Markov Model"],"prefix":"10.4018","volume":"7","author":[{"given":"Sharmila","family":"Subudhi","sequence":"first","affiliation":[{"name":"Veer Surendra Sai University of Technology, Sambalpur, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Suvasini","family":"Panigrahi","sequence":"additional","affiliation":[{"name":"Department of CSE and IT, Veer Surendra Sai University of Technology, Sambalpur, India"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tanmay Kumar","family":"Behera","sequence":"additional","affiliation":[{"name":"Veer Surendra Sai University of Technology, Sambalpur, India"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"2432","reference":[{"key":"IJSE.2016070102-0","doi-asserted-by":"publisher","DOI":"10.1145\/2668260.2668272"},{"key":"IJSE.2016070102-1","doi-asserted-by":"publisher","DOI":"10.1016\/0098-3004(84)90020-7"},{"key":"IJSE.2016070102-2","first-page":"113","article-title":"Novel techniques for profiling and fraud detection in mobile telecommunications","author":"P.Burge","year":"2000","journal-title":"Business Applications of Neural Networks"},{"key":"IJSE.2016070102-3","doi-asserted-by":"publisher","DOI":"10.1023\/A:1009740009307"},{"key":"IJSE.2016070102-4","doi-asserted-by":"publisher","DOI":"10.4018\/978-1-5225-0140-4"},{"key":"IJSE.2016070102-5","doi-asserted-by":"publisher","DOI":"10.4018\/jaci.2012010103"},{"key":"IJSE.2016070102-6","doi-asserted-by":"publisher","DOI":"10.1007\/s00779-005-0046-3"},{"key":"IJSE.2016070102-7","doi-asserted-by":"publisher","DOI":"10.1007\/s00265-009-0739-0"},{"key":"IJSE.2016070102-8","doi-asserted-by":"publisher","DOI":"10.1201\/9781420057492.ch10"},{"key":"IJSE.2016070102-9","doi-asserted-by":"publisher","DOI":"10.1109\/MASS.2010.5663788"},{"key":"IJSE.2016070102-10","doi-asserted-by":"publisher","DOI":"10.4018\/IJSE.2015070102"},{"key":"IJSE.2016070102-11","article-title":"Classification, detection and prosecution of fraud in mobile networks.","author":"P.Gosset","year":"1999","journal-title":"Proceedings of ACTS mobile summit"},{"key":"IJSE.2016070102-12","unstructured":"Hilas, C. 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