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While this has hitherto been tackled through data analysis techniques, the resemblances between this and other problems, like the design of recommendation systems and of diagnostic\/prognostic medical tools, suggest that a complex network approach may yield important benefits. In this paper we present a first hybrid data mining\/complex network classification algorithm, able to detect illegal instances in a real card transaction data set. It is based on a recently proposed network reconstruction algorithm that allows creating representations of the deviation of one instance from a reference group. We show how the inclusion of features extracted from the network data representation improves the score obtained by a standard, neural network\u2010based classification algorithm and additionally how this combined approach can outperform a commercial fraud detection system in specific operation niches. Beyond these specific results, this contribution represents a new example on how complex networks and data mining can be integrated as complementary tools, with the former providing a view to data beyond the capabilities of the latter.<\/jats:p>","DOI":"10.1155\/2018\/5764370","type":"journal-article","created":{"date-parts":[[2018,5,22]],"date-time":"2018-05-22T23:33:16Z","timestamp":1527031996000},"update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":52,"title":["Credit Card Fraud Detection through Parenclitic Network Analysis"],"prefix":"10.1155","volume":"2018","author":[{"given":"Massimiliano","family":"Zanin","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9259-9716","authenticated-orcid":false,"given":"Miguel","family":"Romance","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Santiago","family":"Moral","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Regino","family":"Criado","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"311","published-online":{"date-parts":[[2018,5,22]]},"reference":[{"key":"e_1_2_9_1_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.dss.2010.08.006"},{"key":"e_1_2_9_2_2","doi-asserted-by":"publisher","DOI":"10.1016\/j.cose.2015.09.005"},{"key":"e_1_2_9_3_2","article-title":"Understanding credit card frauds","volume":"1","author":"Bhatla T. 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