Marcellus Amadeus

Marcellus Amadeus has 2 papers in our library, in 2026.

2 papers in our library · 2026

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CURUPIRA: Clever guard for harm and linguistic prompt mitigation in Brazilian Portuguese (2026)
Open guardrail models such as Llama-Guard and ShieldGemma are trained mostly on English. They tend to misjudge harmful prompts in other languages, especially when slang or culture-specific phrasing hides malicious intent. Even multilingual options like Qwen3Guard share this weakness. The authors address the gap for…
JabuticaBERT: Modern Portuguese Encoders from Scratch with RTD and Long-Context Training (2026)
Brazilian Portuguese lacks modern monolingual encoders. Widely used models such as BERTimbau rely on the original BERT design, with a 512-token limit, and many models use multilingual vocabularies that split Portuguese words into too many subwords. The authors pre-train two families of encoders from scratch on the…

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Updated 1 November 2026