6 papers
Legal Nugget Extraction for Granular Retrieval over Long Jurisprudential Texts
Lucas Pereira, Erick Brito, Roberto Lotufo +1
Legal retrieval over jurisprudential collections is challenging because court decisions are long, heterogeneous documents whose relevant legal thesis may occupy only a small portio…
Domain-Adaptive Dense Retrieval for Brazilian Legal Search
Jayr Pereira, Roberto Lotufo, Luiz Bonifacio
Brazilian legal retrieval is heterogeneous, covering case law, legislation, and question-based search. This makes training dense retrievers a trade-off between stronger domain spec…
JUÃ -- A Benchmark for Information Retrieval in Brazilian Legal Text Collections
Jayr Pereira, Leandro Fernandes, Erick de Brito +2
Legal information retrieval in Portuguese remains difficult to evaluate systematically because available datasets differ widely in document type, query style, and relevance definit…
PublicHearingBR: A Brazilian Portuguese Dataset of Public Hearing Transcripts for Summarization of Long Documents
Leandro CarÃsio Fernandes, Guilherme Zeferino Rodrigues Dobins, Roberto Lotufo +1
This paper introduces PublicHearingBR, a Brazilian Portuguese dataset designed for summarizing long documents. The dataset consists of transcripts of public hearings held by the Br…
RAISE: Reasoning Agent for Interactive SQL Exploration
Fernando Granado, Roberto Lotufo, Jayr Pereira
Recent advances in large language models (LLMs) have propelled research in natural language interfaces to databases. However, most state-of-the-art text-to-SQL systems still depend…
BR-TaxQA-R: A Dataset for Question Answering with References for Brazilian Personal Income Tax Law, including case law
Juvenal Domingos Júnior, Augusto Faria, E. Seiti de Oliveira +6
This paper presents BR-TaxQA-R, a novel dataset designed to support question answering with references in the context of Brazilian personal income tax law. The dataset contains 715…