Search Results for author: Fabio A. González

Found 22 papers, 13 papers with code

Interpreting Themes from Educational Stories

2 code implementations8 Apr 2024 Yigeng Zhang, Fabio A. González, Thamar Solorio

Reading comprehension continues to be a crucial research focus in the NLP community.

Machine Reading Comprehension

Positive and Risky Message Assessment for Music Products

1 code implementation18 Sep 2023 Yigeng Zhang, Mahsa Shafaei, Fabio A. González, Thamar Solorio

In this work, we introduce a pioneering research challenge: evaluating positive and potentially harmful messages within music products.

On-orbit model training for satellite imagery with label proportions

1 code implementation21 Jun 2023 Raúl Ramos-Pollán, Fabio A. González

This work addresses the challenge of training supervised machine or deep learning models on orbiting platforms where we are generally constrained by limited on-board hardware capabilities and restricted uplink bandwidths to upload.

Benchmarking Earth Observation

Kernel Density Matrices for Probabilistic Deep Learning

1 code implementation26 May 2023 Fabio A. González, Raúl Ramos-Pollán, Joseph A. Gallego-Mejia

This paper introduces a novel approach to probabilistic deep learning, kernel density matrices, which provide a simpler yet effective mechanism for representing joint probability distributions of both continuous and discrete random variables.

Density Estimation Image Classification +2

What are the Machine Learning best practices reported by practitioners on Stack Exchange?

no code implementations25 Jan 2023 Anamaria Mojica-Hanke, Andrea Bayona, Mario Linares-Vásquez, Steffen Herbold, Fabio A. González

In particular, Software Engineering (SE) is one of those disciplines in which ML has been used for multiple tasks, like software categorization, bugs prediction, and testing.

LEAN-DMKDE: Quantum Latent Density Estimation for Anomaly Detection

1 code implementation15 Nov 2022 Joseph Gallego-Mejia, Oscar Bustos-Brinez, Fabio A. González

This paper presents an anomaly detection model that combines the strong statistical foundation of density-estimation-based anomaly detection methods with the representation-learning ability of deep-learning models.

Anomaly Detection Density Estimation +1

AD-DMKDE: Anomaly Detection through Density Matrices and Fourier Features

1 code implementation26 Oct 2022 Oscar Bustos-Brinez, Joseph Gallego-Mejia, Fabio A. González

The prediction phase complexity of the proposed algorithm is constant relative to the training data size, and it performs well in data sets with different anomaly rates.

Anomaly Detection Density Estimation

Deep Semi-Supervised and Self-Supervised Learning for Diabetic Retinopathy Detection

no code implementations4 Aug 2022 Jose Miguel Arrieta Ramos, Oscar Perdómo, Fabio A. González

This paper presents a semi-supervised method that leverages unlabeled images and labeled ones to train a model that detects diabetic retinopathy.

Diabetic Retinopathy Detection Knowledge Distillation +1

Fast Kernel Density Estimation with Density Matrices and Random Fourier Features

1 code implementation2 Aug 2022 Joseph A. Gallego, Juan F. Osorio, Fabio A. González

In this paper, we systematically evaluate the novel DMKDE algorithm and compare it with other state-of-the-art fast procedures for approximating the kernel density estimation method on different synthetic data sets.

Density Estimation

Quantum Adaptive Fourier Features for Neural Density Estimation

1 code implementation1 Aug 2022 Joseph A. Gallego, Fabio A. González

Density estimation is a fundamental task in statistics and machine learning applications.

Density Estimation

Optimisation-free Classification and Density Estimation with Quantum Circuits

no code implementations28 Mar 2022 Vladimir Vargas-Calderón, Fabio A. González, Herbert Vinck-Posada

We demonstrate the implementation of a novel machine learning framework for probability density estimation and classification using quantum circuits.

Classification Density Estimation

Quantum Measurement Classification with Qudits

no code implementations20 Jul 2021 Diego H. Useche, Andres Giraldo-Carvajal, Hernan M. Zuluaga-Bucheli, Jose A. Jaramillo-Villegas, Fabio A. González

Results show that the proposed method is a viable strategy to implement supervised classification and density estimation in a high-dimensional quantum computer.

Classification Density Estimation

Learning with Density Matrices and Random Features

1 code implementation8 Feb 2021 Fabio A. González, Alejandro Gallego, Santiago Toledo-Cortés, Vladimir Vargas-Calderón

It is a powerful formalism to represent both the quantum and classical uncertainty of quantum systems and to express different statistical operations such as measurement, system combination and expectations as linear algebra operations.

Density Estimation

Dissimilarity Mixture Autoencoder for Deep Clustering

2 code implementations15 Jun 2020 Juan S. Lara, Fabio A. González

The dissimilarity mixture autoencoder (DMAE) is a neural network model for feature-based clustering that incorporates a flexible dissimilarity function and can be integrated into any kind of deep learning architecture.

Clustering Deep Clustering +4

Supervised Learning with Quantum Measurements

2 code implementations2 Apr 2020 Fabio A. González, Vladimir Vargas-Calderón, Herbert Vinck-Posada

Prediction of the label for a new sample is made by performing a projective measurement on the bipartite system with an operator, prepared from the new input sample, and applying a partial trace to obtain the state of the subsystem representing the output.

Bayesian Inference General Classification

Modeling Noisiness to Recognize Named Entities using Multitask Neural Networks on Social Media

no code implementations NAACL 2018 Gustavo Aguilar, A. Pastor López-Monroy, Fabio A. González, Thamar Solorio

Our systems outperform the current F1 scores of the state of the art on the Workshop on Noisy User-generated Text 2017 dataset by 2. 45% and 3. 69%, establishing a more suitable approach for social media environments.

Named Entity Recognition (NER) Word Embeddings

Quantum Latent Semantic Analysis

no code implementations7 Mar 2019 Fabio A. González, Juan C. Caicedo

LTA is a valuable technique for document analysis and representation, which has been extensively used in information retrieval and machine learning.

Information Retrieval Retrieval

Gated Multimodal Units for Information Fusion

9 code implementations7 Feb 2017 John Arevalo, Thamar Solorio, Manuel Montes-y-Gómez, Fabio A. González

The Gated Multimodal Unit (GMU) model is intended to be used as an internal unit in a neural network architecture whose purpose is to find an intermediate representation based on a combination of data from different modalities.

General Classification Genre classification

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