A Proposal of a Mobile Payment System Based on Android. - Alex Roehrs; Cristiano André da Costa; Jorge Luis Victória Barbosa (IMIS, 2012)

OmniPHR: A distributed architecture model to integrate personal health records. - Alex Roehrs; Cristiano André da Costa; Rodrigo da Rosa Righi (J. Biomed. Informatics, 2017)

Analyzing the performance of a blockchain-based personal health record implementation. - Alex Roehrs; Cristiano André da Costa; Rodrigo da Rosa Righi; Valter Ferreira da Silva; José Roberto Goldim; Douglas C. Schmidt (J. Biomed. Informatics, 2019)

Toward a Model for Personal Health Record Interoperability. - Alex Roehrs; Cristiano André da Costa; Rodrigo da Rosa Righi; Sandro José Rigo; Matheus Henrique Wichman (IEEE J. Biomed. Health Informatics, 2019)

FogChain: A Fog Computing Architecture Integrating Blockchain and Internet of Things for Personal Health Records. - André Henrique Mayer; Vinicius Facco Rodrigues; Cristiano André da Costa; Rodrigo da Rosa Righi; Alex Roehrs; Rodolfo Stoffel Antunes (IEEE Access, 2021)

Integrating multiple blockchains to support distributed personal health records. - Alex Roehrs; Cristiano André da Costa; Rodrigo da Rosa Righi; André Henrique Mayer; Valter Ferreira da Silva; José Roberto Goldim; Douglas C. Schmidt (Health Informatics J., 2021)

ADPS: Providing asynchronous PubSub communication in an adaptive and scalable way in Edge-Fog-Cloud architectures for healthcare data traffic. - Guilherme Pohlmann; Gabriel Souto Fischer; Rodrigo da Rosa Righi; Cristiano André da Costa; Alex Roehrs (SBCARS, 2024)

TriCache: Providing three-tier caching for time series data in serverless healthcare services. - Adriano Zavareze Righi; Gabriel Souto Fischer; Rodrigo da Rosa Righi; Cristiano André da Costa; Alex Roehrs (SBCARS, 2024)

Blending lossy and lossless data compression methods to support health data streaming in smart cities. - Alexandre Andrade; Cristiano André da Costa; Alex Roehrs; Débora C. Muchaluat-Saade; Rodrigo da Rosa Righi (Future Gener. Comput. Syst., 2025)