Vicenç Torra

I am working on artificial intelligence. Main research topics include data privacy, approximate reasoning, decision making.

Contact

vicenc.torra@umu.se

+46 90 786 59 48

Works as

Professor at Department of Computing Science

MIT-huset, Umeå universitet, MIT.A.438 Umeå universitet, 901 87 Umeå

I am Professor at the Computing Science department, where I lead the "NAUSICA: PrivAcy-AWare traNSparent deCIsions group".

I am working on AI, data privacy and approximate reasoning (fuzzy sets and systems).

I have written several books including:

V. Torra, Y. Narukawa, Modeling Decisions, Springer, 2007.
V. Torra, Data privacy: Foundations, New Developments and the Big Data Challenge, Springer, 2017.
V. Torra, Guide to Data Privacy, Springer, 2022.
V. Torra, Scala: From a Functional Programming Perspective - An Introduction to the Programming Language. LNCS 9980, Springer, 2016.

Details on my research can be found here: http://www.mdai.cat/vtorra.

Blockchain-enhanced user consent for GDPR-compliant real-time bidding

Data and Applications Security and Privacy XXXIX: 39th IFIP WG 11.3 Annual Conference on Data and Applications Security and Privacy, DBSec 2025, Gjøvik, Norway, June 23-24, 2025, Proceedings, cham: Springer 2025 : 137-155

Daudén-Esmel, Cristòfol; Castellà-Roca, Jordi; Viejo, Alexandre; et al.

Exploring distribution learning of synthetic data generators

Computer Security. ESORICS 2024 International Workshops, Springer Nature 2025 : 65-76

Garg, Sonakshi; Torra, Vicenç

Privacy-enhancing federated time-series forecasting: a microaggregation-based approach

SECRYPT 2025: Proceedings of the 22nd international conference on security and cryptography, SciTePress 2025 : 765-770

Gupta, Sargam; Torra, Vicenç

Uncoordinated syntactic privacy: a new composable metric for multiple, independent data publishing

IEEE Transactions on Information Forensics and Security, IEEE 2025, Vol. 20 : 3362-3373

Nicolau, Adrian Tobar; Parra-Arnau, Javier; Forne, Jordi; et al.

On measures resulting from the choquet integration

Information processing and management of uncertainty in knowledge-based systems: 20th international conference, IPMU 2024, Lisbon, Portugal, July 22-26, 2024, proceedings, volume 2, Cham: Springer 2025 : 3-11

Ontkovičová, Zuzana; Torra, Vicenç

A study of the fuzzy differential entropy

Advances in fuzzy logic and technology: 14th conference of the European Society for Fuzzy Logic and Technology, EUSFLAT 2025, Riga, Latvia, July 21–25, 2025, proceedings, part I, Cham: Springer 2025 : 181-192

Ontkovičová, Zuzana; Torra, Vicenç

Community discovery on dynamic graphs with edge local differential privacy

Complex Systems, Complex Systems Publications 2025, Vol. 34, (2) : 203-215

Paul, Sudipta; Sadjadi, Fatemeh; Torra, Vicenç; et al.

Improving locally differentially private graph statistics through sparseness-preserving noise-graph addition

Proceedings of the 11th International Conference on Information Systems Security and Privacy: Volume 2, SciTePress 2025 : 526-533

Paul, Sudipta; Salas, Julian; Torra, Vicenç

Multi-view graph learning based on efficient neighbors

Annals of Operations Research

Sadjadi, Fatemeh; Torra, Vicenç

Fuzzy clustering-based microaggregation for multi-view data with constraints

Soft Computing - A Fusion of Foundations, Methodologies and Applications

Sadjadi, Fatemeh; Torra, Vicenç

Generalized F-spaces through the lens of fuzzy measures

Fuzzy sets and systems (Print), Vol. 507

Taha, Mariam; Torra, Vicenç

Differentially private Choquet integral: extending mean, median, and order statistics

International Journal of Information Security, Springer Nature 2025, Vol. 24, (1)

Torra, Vicenç

Data-driven identification of non-additive measures

Intelligent and fuzzy systems: artificial intelligence in human-centric, resilient & sustainable industries, proceedings of the INFUS 2025 conference, volume 1, Cham: Springer Nature 2025 : 22-27

Torra, Vicenç; Ontkovičová, Zuzana

Efficient federated unlearning under plausible deniability

Machine Learning, Springer Nature 2025, Vol. 114, (1)

Varshney, Ayush K.; Torra, Vicenç

Concept drift detection using ensemble of integrally private models

Machine Learning and Principles and Practice of Knowledge Discovery in Databases: International Workshops of ECML PKDD 2023, Turin, Italy, September 18–22, 2023, Revised Selected Papers, Part V, Springer 2025 : 290-304

Varshney, Ayush K.; Torra, Vicenç

Unlearning clients, features and samples in vertical federated learning

Proceedings on Privacy Enhancing Technologies, Privacy Enhancing Technologies Symposium Advisory Board 2025, Vol. 2025, (2) : 39-53

Varshney, Ayush K.; Vandikas, Konstantinos; Torra, Vicenç

Energy disaggregation risk resilience through microaggregation and discrete Fourier transform

Information Sciences, Elsevier 2024, Vol. 662

Adewole, Kayode S.; Torra, Vicenç

Explainable machine learning models with privacy

Progress in Artificial Intelligence, Springer 2024, Vol. 13 : 31-50

Bozorgpanah, Aso; Torra, Vicenç

Can synthetic data preserve manifold properties?

ICT systems security and privacy protection: 39th IFIP international conference, SEC 2024, Edinburgh, UK, June 12–14, 2024, proceedings, Cham: Springer 2024 : 134-147

Garg, Sonakshi; Torra, Vicenç

Task-specific knowledge distillation with differential privacy in LLMs

Computer Security – ESORICS 2024: 29th European Symposium on Research in Computer Security, Bydgoszcz, Poland, September 16–20, 2024, Proceedings, Part II, Springer Science+Business Media B.V. 2024 : 374-389

Garg, Sonakshi; Torra, Vicenç

Privacy in manifolds: combining k-anonymity with differential privacy on Fréchet means

Computers & Security, Elsevier 2024, Vol. 144

Garg, Sonakshi; Torra, Vicenç

Differentially private traffic flow prediction using transformers: a federated approach

Computer Security. ESORICS 2023 International Workshops: CyberICS, DPM, CBT, and SECPRE, The Hague, The Netherlands, September 25–29, 2023, Revised Selected Papers, Part I, Springer Nature 2024 : 260-271

Gupta, Sargam; Torra, Vicenç

On some variants for anticlustering

2024 Joint 13th International Conference on Soft Computing and Intelligent Systems and 25th International Symposium on Advanced Intelligent Systems (SCIS&ISIS)

Kanzawa, Yuchi; Torra, Vicenç

Empirical evaluation of synthetic data created by generative models via attribute inference attack

Privacy and identity management: sharing in a digital world, Springer 2024 : 282-291

Kwatra, Saloni; Torra, Vicenç

DISCOLEAF: Personalized DIScretization of COntinuous Attributes for LEArning with Federated Decision Trees

Privacy in statistical databases: International Conference, PSD 2024, Antibes Juan-les-Pins, France, September 25–27, 2024, Proceedings, Springer Nature 2024 : 344-357

Kwatra, Saloni; Torra, Vicenç

Integrally private model selection for support vector machine

Kwatra, Saloni; Varshney, Ayush K.; Torra, Vicenç

The past and future of fuzzy measures and fuzzy integrals: in memory of prof. Michio Sugeno

Modeling decisions for artificial intelligence: 21st international conference, MDAI 2024, Tokyo, Japan, August 27–31, 2024, proceedings, Cham: Springer Nature 2024 : 3-7

Narukawa, Yasuo; Fujimoto, Katsushige; Torra, Vicenç; et al.

Attribute disclosure risk in smart meter data

Privacy in statistical databases: International conference, PSD 2024, Antibes Juan-les-Pins, France, September 25–27, 2024, proceedings, Springer Nature 2024 : 274-283

Navarro-Arribas, Guillermo; Torra, Vicenç

A note on Sugeno exponential function with respect to distortion

Applied Mathematics and Computation, Elsevier 2024, Vol. 470

Negi, Shekhar Singh; Torra, Vicenç

Computation of Choquet integrals: Analytical approach for continuous functions

Information Sciences, Elsevier 2024, Vol. 679

Ontkovičová, Zuzana; Torra, Vicenç

Preprocessed spectral clustering with higher connectivity for robustness in real-world applications

International Journal of Computational Intelligence Systems, Springer Nature 2024, Vol. 17, (1)

Sadjadi, Fatemeh; Torra, Vicenç; Jamshidi, Mina

Games, fuzzy measures, indices, and explainable ML: exploiting the game

Intelligent and fuzzy systems: intelligent industrial informatics and efficient networks proceedings of the INFUS 2024 conference, volume 1, Springer Nature 2024 : 19-25

Torra, Vicenç

Υ-values: power indices à la orness for non-additive measures

IEEE transactions on fuzzy systems, IEEE 2024, Vol. 32, (7) : 4099-4108

Torra, Vicenç

Preface

Modeling decisions for Artificial Intelligence: 21st international conference, MDAI 2024, Tokyo, Japan, August 27–31, 2024, proceedings, Springer Nature 2024 : vi-vi

Torra, Vicenç; Narukawa, Yasuo; Kikuchi, Hiroaki

Modeling decisions for artificial intelligence: 21st international conference, MDAI 2024, Tokyo, Japan, August 27–31, 2024, Proceedings

Lecture Notes in Computer Science, 14986

Torra, Vicenç; Narukawa, Yasuo; Kikuchi, Hiroaki

Privacy protection of synthetic smart grid data simulated via generative adversarial networks

Proceedings of the 20th international conference on security and cryptography, SECRYPT 2023, SciTePress 2023 : 279-286

Adewole, Kayode Sakariyah; Torra, Vicenç

Logic aggregators and their implementations

Modeling decisions for artificial intelligence: 20th international conference, MDAI 2023, Umeå, Sweden, June 19–22, 2023, Proceedings, Springer Science+Business Media B.V. 2023 : 3-42

Dujmović, Jozo; Torra, Vicenç

K-anonymous privacy preserving manifold learning

Proceedings of the 20th international conference on security and cryptography: SECRYPT 2023, SciTePress 2023 : 37-48

Garg, Sonakshi; Torra, Vicenç

Data protection and multi-database data-driven models

Future Internet, MDPI 2023, Vol. 15, (3)

Jiang, Lili; Torra, Vicenç

Data reconstruction attack against principal component analysis

Security and Privacy in Social Networks and Big Data: 9th International Symposium, SocialSec 2023, Canterbury, UK, August 14–16, 2023, Springer Science+Business Media B.V. 2023 : 79-92

Kwatra, Saloni; Torra, Vicenç

On the definition of probabilistic metric spaces by means of fuzzy measures

Fuzzy sets and systems (Print), Elsevier 2023, Vol. 465

Narukawa, Yasuo; Taha, Mariam; Torra, Vicenç

Scores for hesitant fuzzy sets: aggregation functions and generalized integrals

IEEE transactions on fuzzy systems, IEEE 2023, Vol. 31, (7) : 2425-2434

Narukawa, Yasuo; Torra, Vicenç

Existence and uniqueness of solutions of differential equations with respect to non-additive measures

Mathematical methods in the applied sciences, John Wiley & Sons 2023, Vol. 46, (2) : 2174-2196

Negi, Shekhar Singh; Torra, Vicenç

Edge local differential privacy for dynamic graphs

Security and privacy in social networks and big data: 9th International Symposium, SocialSec 2023, Canterbury, UK, august 14–16, 2023, Proceedings, Singapore: Springer 2023 : 224-238

Paul, Sudipta; Salas, Julián; Torra, Vicenç

Adding edge local differential privacy to the dynamic stochastic block model

Artificial intelligence research and development: proceedings of the 25th international conference of the Catalan association for artificial intelligence, IOS Press BV 2023 : 273-276

Paul, Sudipta; Salas, Julián; Torra, Vicenç

Δ SFL: (Decoupled Server Federated Learning) to utilize DLG attacks in federated learning by decoupling the server

Proceedings of the 20th International Conference on Security and Cryptography, SciTePress 2023 : 577-584

Paul, Sudipta; Torra, Vicen

Joint multiple efficient neighbors and graph learning for multi-view clustering

Integrated uncertainty in knowledge modelling and decision making: 10th international symposium, IUKM 2023, Kanazawa, Japan, November 2–4, 2023, proceedings, part ii, Springer Science+Business Media B.V. 2023 : 25-36

Sadjadi, Fatemeh; Torra, Vicenç

Differentially private graph publishing through noise-graph addition

Modeling decisions for artificial intelligence: 20th international conference, MDAI 2023, Umeå, Sweden, June 19–22, 2023, proceedings, Springer Science+Business Media B.V. 2023 : 253-264

Salas, Julián; González-Zelaya, Vladimiro; Torra, Vicenç; et al.

Towards measuring fairness for local differential privacy

Data privacy management, cryptocurrencies and blockchain technology: ESORICS 2022 international workshops, DPM 2022 and CBT 2022, Copenhagen, Denmark, September 26–30, 2022, revised selected papers, Springer 2023 : 19-34

Salas, Julián; Torra, Vicenç; Megías, David

Introducing robots and AI in human service organizations: what are the implications for employees and service users?

Handbook of critical studies of artificial intelligence, Cheltenham: Edward Elgar Publishing 2023 : 726-736

Tafvelin, Susanne; Hjelte, Jan; Schimmer, Robyn; et al.

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