Search Results for author: Manuel Graña

Found 6 papers, 0 papers with code

On the dynamics of credit history and social interaction features, and their impact on creditworthiness assessment performance

no code implementations13 Apr 2022 Ricardo Muñoz-Cancino, Cristián Bravo, Sebastián A. Ríos, Manuel Graña

Application scoring is used to decide whether to grant a credit or not, while behavioral scoring is used mainly for portfolio management and to take preventive actions in case of default signals.

Management

On the combination of graph data for assessing thin-file borrowers' creditworthiness

no code implementations26 Nov 2021 Ricardo Muñoz-Cancino, Cristián Bravo, Sebastián A. Ríos, Manuel Graña

Here we introduce a framework to improve credit scoring models by blending several Graph Representation Learning methods: feature engineering, graph embeddings, and graph neural networks.

Feature Engineering Graph Representation Learning

Simion Zoo: A Workbench for Distributed Experimentation with Reinforcement Learning for Continuous Control Tasks

no code implementations16 Apr 2019 Borja Fernandez-Gauna, Manuel Graña, Roland S. Zimmermann

We present Simion Zoo, a Reinforcement Learning (RL) workbench that provides a complete set of tools to design, run, and analyze the results, both statistically and visually, of RL control applications.

Continuous Control reinforcement-learning +1

Using Scratch to Teach Undergraduate Students' Skills on Artificial Intelligence

no code implementations30 Mar 2019 Julian Estevez, Gorka Garate, JM Lopez Guede, Manuel Graña

This paper presents a educational workshop in Scratch that is proposed for the active participation of undergraduate students in contexts of Artificial Intelligence.

Clustering

Further results on dissimilarity spaces for hyperspectral images RF-CBIR

no code implementations4 Jul 2013 Miguel Angel Veganzones, Mihai Datcu, Manuel Graña

Content-Based Image Retrieval (CBIR) systems are powerful search tools in image databases that have been little applied to hyperspectral images.

BIG-bench Machine Learning Content-Based Image Retrieval +1

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