نتایج جستجو برای: Fraud detection

تعداد نتایج: 572378  

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1393

due to extraordinary large amount of information and daily sharp increasing claimant for ui benefits and because of serious constraint of financial barriers, the importance of handling fraud detection in order to discover, control and predict fraudulent claims is inevitable. we use the most appropriate data mining methodology, methods, techniques and tools to extract knowledge or insights from ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه علامه طباطبایی - دانشکده اقتصاد 1389

this thesis is a study on insurance fraud in iran automobile insurance industry and explores the usage of expert linkage between un-supervised clustering and analytical hierarchy process(ahp), and renders the findings from applying these algorithms for automobile insurance claim fraud detection. the expert linkage determination objective function plan provides us with a way to determine whi...

Fraud detection is one of the ways to cope with damages associated with fraudulent activities that have become common due to the rapid development of the Internet and electronic business. There is a need to propose methods to detect fraud accurately and fast. To achieve to accuracy, fraud detection methods need to consider both kind of features, features based on user level and features based o...

Journal: :مدیریت فناوری اطلاعات 0
سید محمد تقی تقوی فرد دانشیار مدیریت صنعتی، دانشکدۀ مدیربت و حسابداری، دانشگاه علامه طباطبائی، تهران، ایران زهرا جعفری کارشناس‎ارشد مدیریت فناوری اطلاعات، دانشکدۀ مدیربت و حسابداری دانشگاه علامه طباطبائی، تهران، ایران

insurance industry experts believe that fraud is a destructive disaster in the insurance industry. over the years, many methods have been used in the literature for fraud detection, one of which is expert systems. fraud detection expert systems are based on the knowledge of experts in the field of insurance identify fraud. judgment of experts is mostly based on evidence, documents, qualitative ...

2014
Shivakumar Swamy Sanjeev C. Lingareddy

Data mining technology is applied to fraud detection to establish the fraud detection model, describe the process of creating the fraud detection model, then establish data model with ID3 decision tree, and establish example of fraud detection model by using this model. As e-commerce sales continue to grow, the associated online fraud remains an attractive source of revenue for fraudsters. Thes...

2014

Fraud is an unauthorized activity taking place in electronic payments systems, but these are treated as illegal activities. Fraud detection methods are continuously developed to defend criminals in adapting to their strategies. Fraud can be identified quickly and easily through fraud detection techniques. In this paper, clustering approach is used for credit card fraud detection. Data is genera...

2016
A. Dharmarajan T. Velmurugan J. S. Mishra S. Panda A. Kumar Mishra V. S. Sunderam G. D. Albada

Fraud is an unauthorized activity taking place in electronic payments systems, but these are treated as illegal activities. Fraud detection methods are continuously developed to defend criminals in adapting to their strategies. Fraud can be identified quickly and easily through fraud detection techniques. In this paper, clustering approach is used for credit card fraud detection. Data is genera...

2013
Anita B. Desai Ravindra Deshmukh

Due to the dramatic increase of fraud which results in loss of billions of dollars worldwide each year, several modern techniques in detecting fraud are continually evolved and applied to many business fields. Fraud detection involves monitoring the behaviour of populations of users in order to estimate, detect, or avoid undesirable behaviour. Undesirable behaviour is a broad term including mis...

ژورنال: دانش حسابرسی 2022

Internal controls play a vital role in prevention of fraud. Internal controls reduce the opportunities for committing fraud. According to information symmetry theory, internal control disclosure the solution is to examine the role of management accountability.  To investigate the subject, based on the probit regression model the data related to the variables is analyzed the period from 2013 to ...

2011
Asadul K. Islam Malcolm Corney George M. Mohay Andrew J. Clark Shane Bracher Tobias Raub Ulrich Flegel

As technology advances, fraud is becoming increasingly complicated and difficult to detect, especially when individuals collude. Surveys show that the median loss from collusive fraud is much greater than fraud perpetrated by individuals. Despite its prevalence and potentially devastating effects, internal auditors often fail to consider collusion in their fraud assessment and detection efforts...

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