Search Results for author: Nuno Moniz

Found 12 papers, 7 papers with code

Time Series Data Augmentation as an Imbalanced Learning Problem

1 code implementation29 Apr 2024 Vitor Cerqueira, Nuno Moniz, Ricardo Inácio, Carlos Soares

We use these techniques to create synthetic time series observations and improve the accuracy of forecasting models.

Data Augmentation Time Series

Conformalized Selective Regression

no code implementations26 Feb 2024 Anna Sokol, Nuno Moniz, Nitesh Chawla

However, this focus neglects the significant influence of model-specific biases on a model's performance.

Conformal Prediction Fairness +1

Are we making much progress? Revisiting chemical reaction yield prediction from an imbalanced regression perspective

no code implementations6 Feb 2024 Yihong Ma, Xiaobao Huang, Bozhao Nan, Nuno Moniz, Xiangliang Zhang, Olaf Wiest, Nitesh V. Chawla

The yield of a chemical reaction quantifies the percentage of the target product formed in relation to the reactants consumed during the chemical reaction.

Experiential-Informed Data Reconstruction for Fishery Sustainability and Policies in the Azores

no code implementations17 Sep 2023 Brenda Nogueira, Gui M. Menezes, Nuno Moniz

Fishery analysis is critical in maintaining the long-term sustainability of species and the livelihoods of millions of people who depend on fishing for food and income.

Management

A Three-Way Knot: Privacy, Fairness, and Predictive Performance Dynamics

no code implementations27 Jun 2023 Tânia Carvalho, Nuno Moniz, Luís Antunes

In light of claims that predictive performance and fairness can be jointly optimized, we find this is only possible at the expense of data privacy.

Decision Making Fairness

Class-Imbalanced Learning on Graphs: A Survey

1 code implementation9 Apr 2023 Yihong Ma, Yijun Tian, Nuno Moniz, Nitesh V. Chawla

Concerning the latter, we critically analyze recent work in CILG and discuss urgent lines of inquiry within the topic.

Graph Representation Learning

Differentially-Private Data Synthetisation for Efficient Re-Identification Risk Control

1 code implementation1 Dec 2022 Tânia Carvalho, Nuno Moniz, Luís Antunes, Nitesh Chawla

We also show how our method improves time requirements by at least a factor of 9 and is a resource-efficient solution that ensures high performance without specialised hardware.

Privacy Preserving Synthetic Data Generation

Model Optimization in Imbalanced Regression

1 code implementation20 Jun 2022 Aníbal Silva, Rita P. Ribeiro, Nuno Moniz

In this paper, our goal is to study the impacts of using SERA as an optimization criterion in imbalanced regression tasks.

Model Optimization regression

Towards a Data Privacy-Predictive Performance Trade-off

1 code implementation13 Jan 2022 Tânia Carvalho, Nuno Moniz, Pedro Faria, Luís Antunes

In this paper, we aim to evaluate the existence of a trade-off between data privacy and predictive performance in classification tasks.

De-identification Privacy Preserving

VEST: Automatic Feature Engineering for Forecasting

3 code implementations14 Oct 2020 Vitor Cerqueira, Nuno Moniz, Carlos Soares

Time series forecasting is a challenging task with applications in a wide range of domains.

Feature Engineering feature selection +3

Real-time 2019 Portuguese Parliament Election Results Dataset

1 code implementation5 Dec 2019 Nuno Moniz

This paper presents a data set describing the evolution of results in the Portuguese Parliamentary Elections of October 6$^{th}$ 2019.

regression

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