Pré-Publication, Document De Travail Année : 2025

CoMMA, a Large-scale Corpus of Multilingual Medieval Archives

Résumé

We present CoMMA, a large-scale corpus of medieval manuscripts produced through automatic text recognition. The corpus contains around 3.3b tokens drawn from more than 32,700 digitized manuscripts in Latin and Old French, harvested via IIIF. Unlike other resources, it is made of raw, non-normalized text enriched with layout analysis in various formats. We describe the pipeline used for large-scale acquisition and processing, and report quantitative and qualitative evaluations (average CER 9.7%). The resulting resource supports multiple use cases, from pretraining language models to corpus linguistic on historical languages and digital humanities applications.

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Dates et versions

hal-05299220 , version 1 (06-10-2025)
hal-05299220 , version 2 (09-12-2025)

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  • HAL Id : hal-05299220 , version 2

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Thibault Clérice, Simon Gabay, Malamatenia Vlachou-Efstathiou, Ariane Pinche, Benoît Sagot. CoMMA, a Large-scale Corpus of Multilingual Medieval Archives. 2025. ⟨hal-05299220v2⟩
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