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Structural Segmentation for Brazilian Legal Document Retrieval
Leandro Carísio Fernandes, João Alberto de Oliveira Lima, Hudson de Martim +3
Long legal documents are often represented as single retrieval units, which can dilute relevant content and limit retrieval effectiveness. This study investigates structural segmen…
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…
JUÁ -- 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…