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Related papers: Mobile Phone Usage Data for Credit Scoring

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We present a practical approach for processing mobile sensor time series data for continual deep learning predictions. The approach comprises data cleaning, normalization, capping, time-based compression, and finally classification with a…

Machine Learning · Computer Science 2017-05-22 Kleomenis Katevas , Ilias Leontiadis , Martin Pielot , Joan Serrà

Credit scoring is vital in the financial industry, assessing the risk of lending to credit card applicants. Traditional credit scoring methods face challenges with large datasets and data imbalance between creditworthy and non-creditworthy…

Computational Engineering, Finance, and Science · Computer Science 2024-09-26 Kejian Tong , Zonglin Han , Yanxin Shen , Yujian Long , Yijing Wei

Credit scoring models are the primary instrument used by financial institutions to manage credit risk. The scarcity of research on behavioral scoring is due to the difficult data access. Financial institutions have to maintain the privacy…

Risk Management · Quantitative Finance 2023-01-04 Ricardo Muñoz-Cancino , Cristián Bravo , Sebastián A. Ríos , Manuel Graña

This study conducts a benchmarking study, comparing 23 different statistical and machine learning methods in a credit scoring application. In order to do so, the models' performance is evaluated over four different data sets in combination…

Econometrics · Economics 2019-07-31 Anna Stelzer

For many call centers, customer satisfaction (CSAT) is a key performance indicator (KPI). However, only a fraction of customers take the CSAT survey after the call, leading to a biased and inaccurate average CSAT value, and missed…

Machine Learning · Computer Science 2024-11-20 Etienne Manderscheid , Matthias Lee

Mobile devices have been manufactured and enhanced at growing rates in the past decades. While this growth has significantly evolved the capability of these devices, their security has been falling behind. This contrast in development…

Cryptography and Security · Computer Science 2022-04-21 Sara Kokal , Laura Pryor , Rushit Dave

Mobile phones are becoming increasingly advanced and the latest ones are equipped with many diverse and powerful sensors. These sensors can be used to study different position and orientation of the phone which can help smartphone…

Computers and Society · Computer Science 2018-02-14 Karthik R , Preetam Satapath , Srivatsa Patnaik , Saurabh Priyadarshi , Rajesh Kumar M

Credit investigation is critical for financial services. Whereas, traditional methods are often restricted as the employed data hardly provide sufficient, timely and reliable information. With the prevalence of smart mobile devices,…

Machine Learning · Computer Science 2019-10-22 Xiao Han , Ruiqing Ding , Leye Wang , Hailiang Huang

Personal electronic devices including smartphones give access to behavioural signals that can be used to learn about the characteristics and preferences of individuals. In this study, we explore the connection between demographic and…

Computers and Society · Computer Science 2018-11-26 Kyriaki Kalimeri , Mariano G. Beiro , Matteo Delfino , Robert Raleigh , Ciro Cattuto

Estimates of road grade/slope can add another dimension of information to existing 2D digital road maps. Integration of road grade information will widen the scope of digital map's applications, which is primarily used for navigation, by…

Signal Processing · Electrical Eng. & Systems 2020-06-09 Abhishek Gupta , Shaohan Hu , Weida Zhong , Adel Sadek , Lu Su , Chunming Qiao

We report a user study of over four months on the non-voice usage of mobile phones by teens from an underserved urban community in the USA where a community-wide, open-access Wi-Fi network exists. We instrumented the phones to record…

Human-Computer Interaction · Computer Science 2010-12-14 Ahmad Rahmati , Lin Zhong

Over the last decade, proliferation of various online platforms and their increasing adoption by billions of users have heightened the privacy risk of a user enormously. In fact, security researchers have shown that sparse microdata…

Machine Learning · Computer Science 2017-02-07 Baichuan Zhang , Noman Mohammed , Vachik Dave , Mohammad Al Hasan

In this paper we predict outgoing mobile phone calls using a machine learning approach. We analyze to which extent the activity of mobile phone users is predictable. The premise is that mobile phone users exhibit temporal regularity in…

Social and Information Networks · Computer Science 2015-12-29 Mehwish Nasim , Aimal Rextin , Numair Khan , Muhammad Muddassir Malik

Mobile phone usage provides a wealth of information, which can be used to better understand the demographic structure of a population. In this paper we focus on the population of Mexican mobile phone users. Our first contribution is an…

Social and Information Networks · Computer Science 2015-11-23 Carlos Sarraute , Pablo Blanc , Javier Burroni

Despite a large body of literature on trip inference using call detail record (CDR) data, a fundamental understanding of their limitations is lacking. In particular, because of the sparse nature of CDR data, users may travel to a location…

Applications · Statistics 2023-10-09 Zhan Zhao , Haris N. Koutsopoulos , Jinhua Zhao

Due to the popularity of smart mobile phones and context-aware technology, various contextual data relevant to users' diverse activities with mobile phones is available around us. This enables the study on mobile phone data and…

Computers and Society · Computer Science 2018-11-07 Iqbal H. Sarker

Nowadays consumer loan plays an important role in promoting the economic growth, and credit cards are the most popular consumer loan. One of the most essential parts in credit cards is the credit limit management. Traditionally, credit…

Machine Learning · Computer Science 2020-07-13 Hang Miao , Kui Zhao , Zhun Wang , Linbo Jiang , Quanhui Jia , Yanming Fang , Quan Yu

We propose an easy-to-use methodology to allocate one of the groups which have been previously built from a complete learning data base, to new individuals. The learning data base contains continuous and categorical variables for each…

Statistics Theory · Mathematics 2016-08-14 Patrick Letrémy , Marie Cottrell , Eric Esposito , Valérie Laffite , Sally Showk

Usage data of a group of users distributed across a number of categories, such as songs, movies, webpages, links, regular household products, mobile apps, games, etc. can be ultra-high dimensional and massive in size. More often this kind…

Machine Learning · Computer Science 2023-05-30 Animesh Mitra , Saswata Sahoo , Soumyabrata Dey

Credit scoring is an essential tool used by global financial institutions and credit lenders for financial decision making. In this paper, we introduce a new method based on Gaussian Mixture Model (GMM) to forecast the probability of…

General Economics · Economics 2020-11-17 Hamidreza Arian , Seyed Mohammad Sina Seyfi , Azin Sharifi