Verifying Workflow Processes against Organization Security Policies. - Carlos Ribeiro; Paulo Guedes (WETICE, 1999)

Security Policy Consistency - Carlos Ribeiro; Andre Zuquete; Paulo Ferreira 001; Paulo Guedes (CoRR, 2000)

Enforcing Obligation with Security Monitors. - Carlos Ribeiro; Andre Zuquete; Paulo Ferreira 001 (ICICS, 2001)

SPL: An Access Control Language for Security Policies and Complex Constraints. - Carlos Ribeiro; Andre Zuquete; Paulo Ferreira 001; Paulo Guedes (NDSS, 2001)

Symmetric eigenfilters for partial shortening in ADSL DMT transceivers. - Carlos Ribeiro; Vítor Silva 001; Paulo S. R. Diniz (ISSPA (2), 2003)

Enforcing History-Based Security Policies in Mobile Agent Systems. - Pedro Dias; Carlos Ribeiro; Paulo Ferreira 001 (POLICY, 2003)

OBIWAN: Design and Implementation of a Middleware Platform. - Paulo Ferreira 001; Luís Veiga; Carlos Ribeiro (IEEE Trans. Parallel Distributed Syst., 2003)

A Roaming Authentication Solution for WiFi Using IPSec VPNs With Client Certificates. - Carlos Ribeiro; Fernando Silva; Andre Zuquete (TERENA Networking Conference, 2004)

Heimdhal: A History-Based Policy Engine for Grids. - Pedro Gama; Carlos Ribeiro; Paulo Ferreira 001 (CCGRID, 2006)

A Scalable History-Based Policy Engine. - Pedro Gama; Carlos Ribeiro; Paulo Ferreira 001 (POLICY, 2006)

CodeVoting: protecting against malicious vote manipulation at the voter's PC. - Rui Joaquim; Carlos Ribeiro (Frontiers of Electronic Voting, 2007)

Verme: Worm Containment in Peer-to-Peer Overlays. - Filipe Freitas; Rodrigo Rodrigues 001; Carlos Ribeiro; Paulo Ferreira 001; Luís E. T. Rodrigues (IPTPS, 2007)

On the impact of the pilot density in the channel estimation of MC-CDMA systems. - Carlos Ribeiro; Atílio Gameiro (ISWCS, 2007)

An Efficient Intrusion Detection System for Networks with Centralized Routing. - Paulo F. Andrade; Fernando Mira da Silva; Carlos Ribeiro (SECRYPT, 2007)

A scalable and flexible web services authentication model. - Pedro Felix; Carlos Ribeiro (SWS, 2007)

CodeVoting Protection Against Automatic Vote Manipulation in an Uncontrolled Environment. - Rui Joaquim; Carlos Ribeiro (VOTE-ID, 2007)

A Policy-Oriented Language for Expressing Security Specifications. - Carlos Ribeiro; Paulo Ferreira 001 (Int. J. Netw. Secur., 2007)

Mitigating CFO in OFDM systems by exploring the symbol structure. - Carlos Ribeiro; Atílio Gameiro (ISWCS, 2008)

Verme: Worm containment in overlay networks. - Filipe Freitas; Edgar Marques; Rodrigo Rodrigues 001; Carlos Ribeiro; Paulo Ferreira 001; Luís E. T. Rodrigues (DSN, 2009)

VeryVote: A Voter Verifiable Code Voting System. - Rui Joaquim; Carlos Ribeiro; Paulo Ferreira 001 (VoteID, 2009)

Observable non-Sybil quorums construction in one-hop wireless ad hoc networks. - Diogo Mónica; João Leitão 001; Luís E. T. Rodrigues; Carlos Ribeiro (DSN, 2010)

Incentive mechanisms in peer-to-peer networks. - Pedro D. Rodrigues; Carlos Ribeiro; Luís Veiga (IPDPS Workshops, 2010)

Jano: specification and enforcement of location privacy in mobile and pervasive environments. - José Simão; Carlos Ribeiro; Paulo Ferreira 001; Luís Veiga (M-MPAC@Middleware, 2010)

Improving Remote Voting Security with CodeVoting. - Rui Joaquim; Carlos Ribeiro; Paulo Ferreira 001 (Towards Trustworthy Elections, 2010)

WiFiHop - Mitigating the Evil Twin Attack through Multi-hop Detection. - Diogo Mónica; Carlos Ribeiro (ESORICS, 2011)

Next Generation Smart Home Systems Using Hardware Acceleration Techniques. - David Fuschelberger; Ioannis Pyrounakis; Tasos Dagiuklas; Nikolaos S. Voros; Carlos Ribeiro (ISVLSI, 2011)

An Efficient and Highly Sound Voter Verification Technique and Its Implementation. - Rui Joaquim; Carlos Ribeiro (VoteID, 2011)

MobUser: Publish-subscribe Communication for Mobile Nodes. - Mauro Silva; João Leitão 001; Carlos Ribeiro (ICPADS, 2012)

Jano: location-privacy enforcement in mobile and pervasive environments through declarative policies. - José Simão; Carlos Ribeiro; Paulo Ferreira 001; Luís Veiga (J. Internet Serv. Appl., 2012)

Leveraging Honest Users: Stealth Command-and-Control of Botnets. - Diogo Mónica; Carlos Ribeiro (WOOT, 2013)

EVIV: An end-to-end verifiable Internet voting system. - Rui Joaquim; Paulo Ferreira 001; Carlos Ribeiro (Comput. Secur., 2013)

A Framework for Robust Address Assignment in WSNs Whispering to Avoid Intruders. - Carlos Ribeiro; Ivo Anastácio; André Costa; Márcia Baptista (Int. J. Distributed Sens. Networks, 2013)

Local Password Validation Using Self-Organizing Maps. - Diogo Mónica; Carlos Ribeiro (ESORICS (1), 2014)

Evaluation of an Integrated Mobile Payment, Ticketing and Couponing Solution Based on NFC. - Marta Campos Ferreira; João Falcão e Cunha; Rui José; Helena Rodrigues 001; Miguel Pimenta Monteiro; Carlos Ribeiro (WorldCIST (2), 2014)

MobiPag: Integrated Mobile Payment, Ticketing and Couponing Solution Based on NFC. - Helena Rodrigues 001; Rui José; André Coelho; Ana Melro; Marta Campos Ferreira; João Falcão e Cunha; Miguel Pimenta Monteiro; Carlos Ribeiro (Sensors, 2014)

A real-time platform for collaborative research on Visible Light Communication. - Carlos Ribeiro; Monica Figueiredo; Luís Nero Alves (IWOW, 2015)

An Ontology-Based Interoperability Solution for Electronic-Identity Systems. - Walter Priesnitz Filho; Carlos Ribeiro; Thomas Zefferer (SCC, 2016)

Towards Privacy-preserving Attribute Aggregation in Federated eID Systems. - Walter Priesnitz Filho; Carlos Ribeiro; Thomas Zefferer (CAiSE Forum, 2016)

DLL architecture for OFDM based VLC transceivers in FPGA. - Luís Duarte; Luís Rodrigues; Luís Nero Alves; Carlos Ribeiro; Monica Figueiredo (CSNDSP, 2016)

Single carrier optical FDM in visible light communication. - Osama Saied; Zabih Ghassemlooy; Refik Çaglar Kizilirmak; Xuewu Dai; Carlos Ribeiro; Min Zhang 016; Sujan Rajbhandari (CSNDSP, 2016)

Live demonstration: 150Mbps+ DCO-OFDM VLC. - Monica Figueiredo; Carlos Ribeiro; Luís Nero Alves (ISCAS, 2016)

Employing Ontology-Alignment and Locality-Sensitive Hashing to Improve Attribute Interoperability in Federated eID Systems. - Walter Priesnitz Filho; Carlos Ribeiro; Thomas Zefferer (Complex Syst. Informatics Model. Q., 2016)

Lighting the Wireless World: The Promise and Challenges of Visible Light Communication. - Monica Figueiredo; Luís Nero Alves; Carlos Ribeiro (IEEE Consumer Electron. Mag., 2017)

Consumer LED lamp with ODAC technology for high-speed visible light communications. - Monica Figueiredo; Carlos Ribeiro; Ales Dobesch; Luís Nero Alves; Otakar Wilfert (IEEE Trans. Consumer Electron., 2017)

A mm Wave solution to provide wireless Augmented Reality in classrooms. - Rodolfo Gomes; Luis Sismeiro; Carlos Ribeiro; Manuel García Sánchez; Akram Hammoudeh; Rafael F. S. Caldeirinha (ISWCS, 2018)

Integrated Photonic True-Time Delay Beamformer for a Ka-band Phased Array Antenna Receiver. - Vanessa C. Duarte; Joao G. Prata; Carlos Ribeiro; Rogério N. Nogueira; Georg Winzer; Lars Zimmermann; Robert G. Walker; Stephen Clements; Marta Filipowicz; Marek Napierala; Tomasz Nasilowski; Jonathan Crabb; et al. (OFC, 2018)

Will COTS RF Front-Ends Really Cope With 5G Requirements at mmWave? - Rodolfo Gomes; Luis Sismeiro; Carlos Ribeiro; Telmo R. Fernandes; Manuel García Sánchez; Akram Hammoudeh; Rafael F. S. Caldeirinha (IEEE Access, 2018)

STORK: a real, heterogeneous, large-scale eID management system. - Carlos Ribeiro; Herbert Leitold; Simon Esposito; David Mitzam (Int. J. Inf. Sec., 2018)

Privacy-preserving attribute aggregation in eID federations. - Walter Priesnitz Filho; Carlos Ribeiro; Thomas Zefferer (Future Gener. Comput. Syst., 2019)

All-digital reconfigurable STDCC radar baseband implementation in FPGA. - Luís Duarte; Carlos Ribeiro; Luís Nero Alves; Rafael F. S. Caldeirinha (CSNDSP, 2020)

BP-IDS: Using business process specification to leverage intrusion detection in critical infrastructures. - João Lima; Filipe Apolinario; Nelson Escravana; Carlos Ribeiro (ISSRE Workshops, 2020)

Multi-Gigabit/s OFDM real-time based transceiver engine for emerging 5G MIMO systems. - Carlos Ribeiro; Rodolfo Gomes; Luís Duarte; Akram Hammoudeh; Rafael F. S. Caldeirinha (Phys. Commun., 2020)

A feasibility study on real-time concealed object detection in foliage using STDCC radar. - Luís Duarte; Mário Vala; Carlos Ribeiro; Luís Nero Alves; Carlos A. Fernandes; Rafael F. S. Caldeirinha (CSNDSP, 2022)

CIIA: critical infrastructure impact assessment. - Olga Carvalho; Filipe Apolinario; Nelson Escravana; Carlos Ribeiro (SAC, 2022)

Enhanced Object Detection in Highly Compressed Images using Regions of Interest. - Ruben Antonio; Jose Rosa; Lino Ferreira; Monica Figueiredo; Pedro Assuncao; Carlos Ribeiro (SSIP, 2023)

ARGAN-IDS: Adversarial Resistant Intrusion Detection Systems using Generative Adversarial Networks. - João Costa; Filipe Apolinário; Carlos Ribeiro (ARES, 2024)

Design, Testing, and Evaluation of a Web-Based Geographic Information System for Brazilian City Governments. - Valdecir Becker; Wesley Alves; Barbara Silva; Clarissa Pereira; Carlos Ribeiro; Lillian Carvalho; Edvaldo de Vasconcelos (HCI (6), 2025)