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About

About

I'm a researcher at LIAAD, the Laboratory of Artificial Intelligence and Decision Support at INESC TEC. I received my PhD from the Faculty of Sciences of the University of Porto in 2016. My research interests are recommender systems, user modeling, personalization, web intelligence and information retrieval. I'm also interested in more fundamental areas of artificial intelligence, such as data stream mining, neural networks and representation learning. 

Interest
Topics
Details

Details

  • Name

    João Vinagre
  • Role

    External Research Collaborator
  • Since

    11th January 2010
014
Publications

2025

Budget-Constrained Collaborative Renewable Energy Forecasting Market

Authors
Gonçalves, C; Bessa, RJ; Teixeira, T; Vinagre, J;

Publication
IEEE TRANSACTIONS ON SUSTAINABLE ENERGY

Abstract
Accurate power forecasting from renewable energy sources (RES) is crucial for integrating additional RES capacity into the power system and realizing sustainability goals. This work emphasizes the importance of integrating decentralized spatio-temporal data into forecasting models. However, decentralized data ownership presents a critical obstacle to the success of such spatio-temporal models, and incentive mechanisms to foster data-sharing need to be considered. The main contributions are a) a comparative analysis of the forecasting models, advocating for efficient and interpretable spline LASSO regression models, and b) a bidding mechanism within the data/analytics market to ensure fair compensation for data providers and enable both buyers and sellers to express their data price requirements. Furthermore, an incentive mechanism for time series forecasting is proposed, effectively incorporating price constraints and preventing redundant feature allocation. Results show significant accuracy improvements and potential monetary gains for data sellers. For wind power data, an average root mean squared error improvement of over 10% was achieved by comparing forecasts generated by the proposal with locally generated ones.

2025

Generative AI and the Future of the Digital Commons: Five Open Questions and Knowledge Gaps

Authors
Noroozian, A; Aldana, L; Arisi, M; Asghari, H; Avila, R; Bizzaro, PG; Chandrasekhar, R; Consonni, C; Angelis, DD; Chiara, FD; Rio Chanona, Md; de Rosnay, MD; Eriksson, M; Font, F; Gómez, E; Guillier, V; Gutermuth, L; Hartmann, D; Kaffee, LA; Keller, P; Stalder, F; Vinagre, J; Vrandecic, D; Wasielewski, A;

Publication
CoRR

Abstract

2025

Measuring the stability and plasticity of recommender systems

Authors
Lavoura, MJ; Jungnickel, R; Vinagre, J;

Publication
CoRR

Abstract

2025

Data Access for Recommender Systems Research: leveraging the EU's Digital Services Act

Authors
Vinagre, J; Porcaro, L; Merisio, S; Purificato, E; Gómez, E;

Publication
Proceedings of the Nineteenth ACM Conference on Recommender Systems, RecSys 2025, Prague, Czech Republic, September 22-26, 2025

Abstract

2025

Data Access under the EU Digital Services Act and its Impact on User Modelling Research

Authors
Purificato, E; Boratto, L; Vinagre, J;

Publication
Adjunct Proceedings of the 33rd ACM Conference on User Modeling, Adaptation and Personalization, UMAP Adjunct 2025, New York City, NY, USA, June 16-19, 2025

Abstract