15 citations · 19 across the 10 of their papers we have counts for
10 papers
Eleven Years of BRACIS: A Meta-Scientific Study of the Brazilian Conference on Intelligent Systems
Thales Sales Almeida, Giovana Kerche Bonás, Thiago Laitz +7
The Brazilian Conference on Intelligent Systems (BRACIS) is the main national venue for Artificial Intelligence research in Brazil, hosted by the Brazilian Computer Society since 2…
LLM-Based Persuasion Enables Guardrail Override in Frontier LLMs
Rodrigo Nogueira, Thales Sales Almeida, Giovana Kerche Bonás +7
Frontier assistant LLMs ship with strong guardrails: asked directly to write a persuasive essay denying the Holocaust, denying vaccine safety, defending flat-earth cosmology, argui…
Magis-Bench: Evaluating LLMs on Magistrate-Level Legal Tasks
Ramon Pires, Thales Sales Almeida, Celio Larcher Junior +6
Existing benchmarks for legal AI focus primarily on tasks where LLMs must produce legal arguments or documents, yet the capacity to \emph{judge} such arguments -- weighing competin…
Prosa: Rubric-Based Evaluation of LLMs on Real User Chats in Brazilian Portuguese
Roseval Malaquias Junior, Giovana Kerche Bonás, Thales Sales Almeida +6
Rankings produced by holistic LLM-as-a-judge scoring are sensitive to the bias of the chosen judge model. We show that switching to binary rubric scoring with multi-judge filtering…
Measuring Opinion Bias and Sycophancy via LLM-based Persuasion
Rodrigo Nogueira, Giovana Kerche Bonás, Thales Sales Almeida +7
Large language models increasingly shape the information people consume: they are embedded in search, consulted for professional advice, deployed as agents, and used as a first sto…
MARCA: A Checklist-Based Benchmark for Multilingual Web Search
Thales Sales Almeida, Giovana Kerche Bonás, Ramon Pires +6
Large language models (LLMs) are increasingly used as sources of information, yet their reliability depends on the ability to search the web, select relevant evidence, and synthesi…
CAPITU: A Benchmark for Evaluating Instruction-Following in Brazilian Portuguese with Literary Context
Giovana Kerche Bonás, Roseval Malaquias Junior, Marcos Piau +6
We introduce CAPITU, a benchmark for evaluating instruction-following capabilities of Large Language Models (LLMs) in Brazilian Portuguese. Unlike existing benchmarks that focus on…
Sabiá-4 Technical Report
Thiago Laitz, Thales Sales Almeida, Hugo Abonizio +6
This technical report presents Sabiá-4 and Sabiazinho-4, a new generation of Portuguese language models with a focus on Brazilian Portuguese language. The models were developed thr…
The Chronicles of RAG: The Retriever, the Chunk and the Generator
Paulo Finardi, Leonardo Avila, Rodrigo Castaldoni +5
Retrieval Augmented Generation (RAG) has become one of the most popular paradigms for enabling LLMs to access external data, and also as a mechanism for grounding to mitigate again…
Cabrita: closing the gap for foreign languages
Celio Larcher, Marcos Piau, Paulo Finardi +3
The strategy of training the model from scratch in a specific language or domain serves two essential purposes: i) enhancing performance in the particular linguistic or domain cont…