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Sonar Municipal: semantic search pipeline for Brazilian municipal bills

integration_instructionsResearch softwarekeyboard_double_arrow_right Software 26 May 2026 Portuguese Publisher:Zenodo
Authors: Ambiel, Thiago;
Code repository: https://github.com/thiagoambiel/SonarMunicipal/tree/v0.9.0

doi: 10.5281/zenodo.20387780 , 10.5281/zenodo.20387742 , 10.5281/zenodo.20518536

Sonar Municipal: semantic search pipeline for Brazilian municipal bills

Abstract

Source code accompanying the ICMC-USP undergraduate thesis 'Mineração de Dados e Busca Semântica Aplicadas à Análise de Projetos de Lei Municipais' (Sonar Municipal project). Implements the SAPL data collection pipeline, dense-retrieval indexing with E5 and BM25 baselines, and the evaluation tooling for the companion TREC-style benchmark. Funded by AI4PEP (Artificial Intelligence for Public Health Emergency Preparedness) network, supported by IDRC (International Development Research Centre, Canada). Companion artifacts on the Hugging Face Hub: model thiagoambiel/sonar_municipal_ptt5_ementa2action, dataset thiagoambiel/sonar-municipal-pl-actions, demo thiagoambiel/sonar-municipal-demo. Companion Zenodo records (dataset, model) will be cross-linked once their DOIs are minted; thesis BDTD-USP handle to be linked in v1.0 post-defense.

Pre-defense release (v0.9). Related identifiers (companion dataset DOI, companion model DOI, BDTD-USP thesis handle) and AI4PEP/IDRC grant ID will be added via Zenodo UI once available, without re-minting (Zenodo allows metadata edits).

Related Organizations
Keywords

legal NLP, LLM-as-a-judge, municipal legislation, BM25, semantic search, PTT5, information retrieval, Brazilian Portuguese, SAPL, E5, TREC, Brazil

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
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Average