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Sponsored Artificial Intelligence: A Modern Approach, Global Edition Artificial Intelligence: A Modern Approach, Global Edition

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Thiago França Nascimento

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Open access Aug 2026

BENCHMARKING PERSONALLY IDENTIFIABLE INFORMATION (PII) ANONYMIZATION STRATEGIES FOR BRAZILIAN PORTUGUESE: FROM REGEX TO HYBRID LLM APPROACHES

The Brazilian General Data Protection Law (LGPD) requires the anonymization of personally identifiable information (PII) before data sharing. We evaluate six anonymization strategies (regex, NER, zero-shot LLM, few-shot LLM, structured extraction, and a hybrid cascade) on 82 Brazilian Portuguese documents with 1,558 PI...

João Pedro Hallack Sansão, Thiago França Nascimento · 0 citations

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