Filipe Martins

Filipe Martins
APDL · Informatics

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3
Publications
6,767
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36
Citations
Citations since 2017
0 Research Items
17 Citations
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20172018201920202021202220230123456
20172018201920202021202220230123456
20172018201920202021202220230123456
Introduction
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Publications

Publications (3)
Conference Paper
Fraud in mobile telecommunications is a complex and dynamic problem for Telecom operators. These companies have developed and are exploring new ways of making the fraud detection process more efficient. Most of these attempts are based in fraud management systems, capable of detecting fraudulent communications. In this paper, we present a case-base...
Article
Full-text available
In this paper we tackle the problem of superimposed fraud detection in telecommunication systems. We propose two anomaly detection methods based on the concept of signatures. The first method relies on a signature deviation-based approach while the second on a dynamic clustering analysis. Experiments carried out with real data, voice call records f...
Article
Full-text available
1 — Telecommunications fraud is a problem that affects all operators and is an important factor in their annual revenue losses. Aside from financial impact, it also constrains new service deployment and may contribute to adverse costumer perception and, consequently, churn increase. This paper generically presents the most relevant types of fraud i...

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