Author

João C. Ferreira

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Review Open access Aug 2026

Blockchain for traceability in political lobbying: empirical insights from stakeholder surveys on transparency problems and solutions

Findings reveal widespread concerns over non-repudiation and auditability in current systems — 87% rated existing record integrity as weak—alongside strong endorsement for blockchain’s immutability, versioned audit trails, and hybrid on/off-chain design to ensure GDPR-aligned traceability.

João C. Ferreira · Frontiers in Blockchain · 0 citations

Review Open access Aug 2026

Text2FHIRwallet: Automated Generation of FHIR Patient Summaries from Unstructured Cardiology Reports Using Fine-Tuned Portuguese Language Models—Development and Evaluation of a Health Professional Wallet

Text2FHIRwallet demonstrates that domain-specific fine-tuning of a Portuguese-language pretrained language model achieves near-ceiling clinical NER accuracy, enabling scalable, interoperable, and privacy-compliant patient summary generation from unstructured cardiology text, offering an end-to-end pathway for integrating AI-driven NLP into clinical workflows and FHIR-based health information ecosystems.

João C. Ferreira, Isabel Rosa, Ricardo Correia · Applied Sciences · 0 citations