French Open Data Corpus in Apache Parquet — 2026-10-10 Snapshot
Florian Maillard

@misc{,
title= {French Open Data Corpus in Apache Parquet — 2026-10-10 Snapshot},
author= {Florian Maillard},
year= {2026},
url= {https://fgmmai.duckdns.org/software/open-data-parquet/},
abstract= {A curated corpus of French public open data converted and normalized to Apache Parquet for analytical use. The 2026-10-10 snapshot contains 47,315 Parquet files, approximately 322.574 GiB of Parquet data, 6,718,019,197 rows, and 3,602 distinct schemas. The complete BitTorrent release contains 49,906 files and approximately 347.9 GB including documentation and release metadata.

The corpus structure, conversion pipeline, manifests and release metadata are provided by Florian Maillard. The underlying datasets retain their original licenses and attribution requirements.},
keywords= {open data, France, Apache Parquet, public data, data.gouv.fr, geospatial data, DuckDB, Polars},
license= {This corpus aggregates datasets published under multiple licenses.
Each original dataset remains subject to the license and attribution
requirements of its original publisher. No single blanket license applies
to the entire corpus.Multiple source licenses; see original dataset documentation},
terms= {},
superseded= {}
}