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The GELATO Dataset for Legislative NER

2026-03-14 21:32:36
Matthew Flynn, Timothy Obiso, Sam Newman
arXiv_CL
               
Abstract

This paper introduces GELATO (Government, Executive, Legislative, and Treaty Ontology), a dataset of U.S. House and Senate bills from the 118th Congress annotated using a novel two-level named entity recognition ontology designed for U.S. legislative texts. We fine-tune transformer-based models (BERT, RoBERTa) of different architectures and sizes on this dataset for first-level prediction. We then use LLMs with optimized prompts to complete the second level prediction. The strong performance of RoBERTa and relatively weak performance of BERT models, as well as the application of LLMs as second-level predictors, support future research in legislative NER or downstream tasks using these model combinations as extraction tools.

Abstract (translated)

URL

https://arxiv.org/abs/2603.14130

PDF

https://arxiv.org/pdf/2603.14130.pdf

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