Search Results for author: Luisa Roa

Found 3 papers, 0 papers with code

Relational Graph Neural Networks for Fraud Detection in a Super-App environment

no code implementations29 Jul 2021 Jaime D. Acevedo-Viloria, Luisa Roa, Soji Adeshina, Cesar Charalla Olazo, Andrés Rodríguez-Rey, Jose Alberto Ramos, Alejandro Correa-Bahnsen

Large digital platforms create environments where different types of user interactions are captured, these relationships offer a novel source of information for fraud detection problems.

Fraud Detection

Super-App Behavioral Patterns in Credit Risk Models: Financial, Statistical and Regulatory Implications

no code implementations9 May 2020 Luisa Roa, Alejandro Correa-Bahnsen, Gabriel Suarez, Fernando Cortés-Tejada, María A. Luque, Cristián Bravo

In this paper we present the impact of alternative data that originates from an app-based marketplace, in contrast to traditional bureau data, upon credit scoring models.

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