Personal information

Information Privacy, Information Security
Spain

Activities

Employment (1)

Universitat Rovira i Virgili: Tarragona, Catalunya, ES

2018-04-01 to present | Associate Professor (Department of Computer Science and Mathematics)
Employment
Source: Self-asserted source
Alexandre Viejo

Education and qualifications (1)

Universitat Rovira i Virgili: Tarragona, Catalunya, ES

2005-10-01 to 2008-09-19 | PhD in Computer Engineering
Education
Source: Self-asserted source
Alexandre Viejo

Works (50 of 70)

Items per page:
Page 1 of 2

PrivacySmart: Automatic and Transparent Management of Privacy Policies

2024 | Book chapter
Contributors: Cristòfol Daudén-Esmel; Jordi Castellà-Roca; Alexandre Viejo; Eduard Josep Bel-Ribes
Source: check_circle
Crossref

Smart Contracts for a Secure and Privacy-Preserving Smart Grid

2024 | Book chapter
Contributors: Joan Ferré-Queralt; Jordi Castellà-Roca; Alexandre Viejo
Source: check_circle
Crossref

Multi-Platform Wallet for Privacy Protection and Key Recovery in Decentralized Applications

Blockchain: Research and Applications
2024-12 | Journal article
Contributors: Cristòfol Daudén-Esmel; Jordi Castellà-Roca; Alexandre Viejo; Ignacio Miguel-Rodríguez
Source: check_circle
Crossref

Blockchain-based access control system for efficient and GDPR-compliant personal data management

Computer Communications
2024-01 | Journal article
Contributors: Cristòfol Daudén-Esmel; Jordi Castellà-Roca; Alexandre Viejo
Source: check_circle
Crossref

Security and Privacy in a Blockchain-Powered Access Control System for Low Emission Zones

IEEE Transactions on Intelligent Transportation Systems
2023-01 | Journal article
Contributors: Carles Angles-Tafalla; Alexandre Viejo; Jordi Castella-Roca; Macia Mut-Puigserver; M. Magdalena Payeras-Capella
Source: check_circle
Crossref

Lightweight blockchain-based platform for GDPR-compliant personal data management

2021 IEEE 5th International Conference on Cryptography, Security and Privacy, CSP 2021
2021 | Conference paper
EID:

2-s2.0-85102518444

Contributors: Dauden-Esmel, C.; Castella-Roca, J.; Viejo, A.; Domingo-Ferrer, J.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy protection of user profiles in online search via semantic randomization

Knowledge and Information Systems
2021-09 | Journal article
Part of ISSN: 0219-1377
Part of ISSN: 0219-3116
Source: Self-asserted source
Alexandre Viejo
grade
Preferred source (of 2)‎

Automatic Assessment of Privacy Policies under the GDPR

Applied Sciences
2021-02-17 | Journal article
Contributors: David Sánchez; Alexandre Viejo; Montserrat Batet
Source: check_circle
Crossref
grade
Preferred source (of 3)‎

Secure monitoring in IoT-based services via fog orchestration

Future Generation Computer Systems
2020-06 | Journal article
Part of ISSN: 0167-739X
Source: Self-asserted source
Alexandre Viejo
grade
Preferred source (of 2)‎

Decentralized privacy-preserving access for low emission zones

ICETE 2019 - Proceedings of the 16th International Joint Conference on e-Business and Telecommunications
2019 | Conference paper
EID:

2-s2.0-85073067218

Contributors: Anglès-Tafalla, C.; Ricci, S.; Dzurenda, P.; Hajny, J.; Castellà-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy-Preserving and Secure Decentralized Access Control System for Low Emission Zones

INFOCOM 2019 - IEEE Conference on Computer Communications Workshops, INFOCOM WKSHPS 2019
2019 | Conference paper
EID:

2-s2.0-85073052227

Contributors: Angles-Tafalla, C.; Viejo, A.; Castella-Roca, J.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Secure and privacy-preserving orchestration and delivery of fog-enabled IoT services

Ad Hoc Networks
2019-01 | Journal article
Contributors: Alexandre Viejo; David Sánchez
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Key Management System for Private Car-Sharing Scenarios

IEEE Vehicular Technology Conference
2018 | Conference paper
EID:

2-s2.0-85064948977

Part of ISSN: 15502252
Contributors: Hernandez, A.C.; Castella Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy-preserving and advertising-friendly web surfing

Computer Communications
2018 | Journal article
EID:

2-s2.0-85059093233

Part of ISSN: 1873703X 01403664
Contributors: Sánchez, D.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy-preserving orchestrated web service composition with untrusted brokers

International Journal of Information Technology and Web Engineering
2018 | Journal article
EID:

2-s2.0-85050742546

Part of ISSN: 15541053 15541045
Contributors: Khabou, I.; Rouached, M.; Viejo, A.; Sánchez, D.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Time-based low emission zones preserving drivers’ privacy

Future Generation Computer Systems
2018 | Journal article
EID:

2-s2.0-85003033260

Contributors: Jardí-Cedó, R.; Mut-Puigserver, M.; Payeras-Capellà, M.M.; Castellà-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier
grade
Preferred source (of 2)‎

Using Searchable Encryption for Privacy-Aware Orchestrated Web Service Composition

Proceedings - 13th International Conference on Computational Intelligence and Security, CIS 2017
2018 | Conference paper
EID:

2-s2.0-85046683332

Contributors: Khabou, I.; Rouached, M.; Viejo, A.; Sanchez, D.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Secure and privacy-preserving lightweight access control system for low emission zones

Computer Networks
2018-11 | Journal article
Contributors: Carles Anglès–Tafalla; Jordi Castellà-Roca; Macià Mut–Puigserver; M. Magdalena Payeras–Capellà; Alexandre Viejo
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

A semantic-preserving differentially private method for releasing query logs

Information Sciences
2018-09 | Journal article
Contributors: David Sánchez; Montserrat Batet; Alexandre Viejo; Mercedes Rodríguez-García; Jordi Castellà-Roca
Source: check_circle
Crossref
grade
Preferred source (of 2)‎

Building Privacy-Preserving Search Engine Query Logs for Data Monetization

Proceedings - 13th IEEE International Conference on Ubiquitous Intelligence and Computing, 13th IEEE International Conference on Advanced and Trusted Computing, 16th IEEE International Conference on Scalable Computing and Communications, IEEE International Conference on Cloud and Big Data Computing, IEEE International Conference on Internet of People and IEEE Smart World Congress and Workshops, UIC-ATC-ScalCom-CBDCom-IoP-SmartWorld 2016
2017 | Conference paper
EID:

2-s2.0-85013218367

Contributors: Bondia-Barcelo, J.; Castella-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Personalized privacy in open data sharing scenarios

Online Information Review
2017 | Journal article
EID:

2-s2.0-85019687617

Contributors: Sánchez, D.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier
grade
Preferred source (of 2)‎

Returning Lethe to Aletheia? – towards Anonymity in Semantic Data Federations

SSRN
2017 | Other
EID:

2-s2.0-85116089494

Part of ISSN: 15565068
Contributors: Viejo, A.; Fabian, B.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Secure and anonymous vehicle access control system to traffic-restricted urban areas

2017 26th International Conference on Computer Communications and Networks, ICCCN 2017
2017 | Conference paper
EID:

2-s2.0-85032285728

Contributors: Castellà-Roca, J.; Mut-Puigserver, M.; Payeras-Capellà, M.M.; Viejo, A.; Anglès-Tafalla, C.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Enforcing transparent access to private content in social networks by means of automatic sanitization

Expert Systems with Applications
2016 | Journal article
EID:

2-s2.0-84975686965

Contributors: Viejo, A.; Sánchez, D.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Erratum: Removal notice to “Enforcing Transparent Access to Private Content in Social Networks by Means of Automatic Sanitization” (Expert Systems with Applications (2015) 43(23) (9366–9378)(S0957417415005539)(10.1016/j.eswa.2015.08.014))

Expert Systems with Applications
2016 | Journal article
EID:

2-s2.0-84991777021

Contributors: Viejo, A.; Sánchez, D.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Ontology-based access control management: Two use cases

ICAART 2016 - Proceedings of the 8th International Conference on Agents and Artificial Intelligence
2016 | Conference paper
EID:

2-s2.0-84969135689

Contributors: Imran-Daud, M.; Sánchez, D.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy-driven access control in social networks by means of automatic semantic annotation

Computer Communications
2016 | Journal article
EID:

2-s2.0-84958832604

Contributors: Imran-Daud, M.; Sánchez, D.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy-preserving electronic road pricing system for low emission zones with dynamic pricing

Security and Communication Networks
2016 | Journal article
EID:

2-s2.0-84978154340

Contributors: Jardí-Cedó, R.; Castellà-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy-preserving electronic road pricing system for multifare low emission zones

ACM International Conference Proceeding Series
2016 | Conference paper
EID:

2-s2.0-84983458334

Contributors: Jardí-Cedó, R.; Mut-Puigserver, M.; Castellà-Roca, J.; Payeras-Capellà Magdalena, M.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Working at the web search engine side to generate privacy-preserving user profiles

Expert Systems with Applications
2016 | Journal article
EID:

2-s2.0-84981249260

Contributors: Pàmies-Estrems, D.; Castellà-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier
grade
Preferred source (of 2)‎

Design of a P2P network that protects users' privacy in front of Web Search Engines

Computer Communications
2015 | Journal article
EID:

2-s2.0-84924959422

Contributors: Romero-Tris, C.; Castellà, D.; Viejo, A.; Castellà-Roca, J.; Solsona, F.; Mateo-Sanz, J.M.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Efficient group signatures for privacy-preserving vehicular networks

Telecommunication Systems
2015 | Journal article
EID:

2-s2.0-84925461344

Contributors: Malina, L.; Vives-Guasch, A.; Castellà-Roca, J.; Viejo, A.; Hajny, J.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Enforcing transparent access to private content in social networks by means of automatic sanitization

Expert Systems with Applications
2015 | Journal article
EID:

2-s2.0-84941730445

Contributors: Viejo, A.; Sánchez, D.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Multi-party methods for privacy-preserving web search: Survey and contributions

Studies in Computational Intelligence
2015 | Book
EID:

2-s2.0-84927126835

Contributors: Romero-Tris, C.; Viejo, A.; Castellà-Roca, J.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Ontology-based delegation of access control: An enhancement to the XACML delegation profile

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
2015 | Book
EID:

2-s2.0-84943639201

Contributors: Daud, M.I.; Sánchez, D.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy risk assessment of textual publications in social networks

ICAART 2015 - 7th International Conference on Agents and Artificial Intelligence, Proceedings
2015 | Conference paper
EID:

2-s2.0-84943271271

Contributors: Sánchez, D.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Privacy-preserving electronic toll system with dynamic pricing for low emission zones

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
2015 | Book
EID:

2-s2.0-84926659196

Contributors: Jardí-Cedó, R.; Castellà-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Distributed system for private web search with untrusted partners

Computer Networks
2014 | Journal article
EID:

2-s2.0-84899012117

Contributors: Romero-Tris, C.; Castellà-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Electronic road pricing system for low emission zones to preserve driver privacy

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
2014 | Book
EID:

2-s2.0-84911033300

Contributors: Jardí-Cedó, R.; Mut-Puigserver, M.; Payeras-Capellv, M.M.; Castellv-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Profiling social networks to provide useful and privacy-preserving web search

Journal of the Association for Information Science and Technology
2014 | Journal article
EID:

2-s2.0-84933183747

Contributors: Viejo, A.; Sánchez, D.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Utility-preserving privacy protection of textual healthcare documents

Journal of Biomedical Informatics
2014 | Journal article
EID:

2-s2.0-84919844382

Contributors: Sánchez, D.; Batet, M.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Utility-preserving sanitization of semantically correlated terms in textual documents

Information Sciences
2014 | Journal article
EID:

2-s2.0-84901826979

Contributors: Sánchez, D.; Batet, M.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Automatic general-purpose sanitization of textual documents

IEEE Transactions on Information Forensics and Security
2013 | Journal article
EID:

2-s2.0-84878271942

Contributors: Sánchez, D.; Batet, M.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Detecting term relationships to improve textual document sanitization

Proceedings - Pacific Asia Conference on Information Systems, PACIS 2013
2013 | Conference paper
EID:

2-s2.0-84928501004

Contributors: Sánchez, D.; Batet, M.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Knowledge-based scheme to create privacy-preserving but semantically-related queries for web search engines

Information Sciences
2013 | Journal article
EID:

2-s2.0-84867404543

Contributors: Sánchez, D.; Castellà-Roca, J.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Minimizing the disclosure risk of semantic correlations in document sanitization

Information Sciences
2013 | Journal article
EID:

2-s2.0-84883183011

Contributors: Sánchez, D.; Batet, M.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Preserving the user's privacy in social networking sites

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
2013 | Book
EID:

2-s2.0-84884481864

Contributors: Viejo, A.; Castellà-Roca, J.; Rufián, G.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Providing useful and private Web search by means of social network profiling

2013 11th Annual Conference on Privacy, Security and Trust, PST 2013
2013 | Conference paper
EID:

2-s2.0-84885015469

Contributors: Viejo, A.; Sanchez, D.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Asymmetric homomorphisms for secure aggregation in heterogeneous scenarios

Information Fusion
2012 | Journal article
EID:

2-s2.0-84861586183

Contributors: Viejo, A.; Wu, Q.; Domingo-Ferrer, J.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier

Detecting sensitive information from textual documents: An information-theoretic approach

Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
2012 | Book
EID:

2-s2.0-84869481024

Contributors: Sánchez, D.; Batet, M.; Viejo, A.
Source: Self-asserted source
Alexandre Viejo via Scopus - Elsevier
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