Medical terminology in parquet format

### Description These files contain medical terminology in parquet format from the [multi-terminological server.](https://smt.esante.gouv.fr/) The hierarchy of concepts is modelled according to the principle of [sets nesting](https://en.wikipedia.org/wiki/Imbrication _d%27sets): Each concept has two terminals, left and right, such that the terminals of a child concept are strictly between those of its parent. The source code and documentation is available on [github](https://github.com/dridk/smt2parquet) ### Examples: From duckdb, display all descendents of Chapter 1 of ICD10: sql WITH chapter AS ( SELECT lft as l, rgt AS r FROM 'parquet/cim10-2025-01-01.parquet' WHERE code = 'I' ) SELECT code, label, depth FROM 'parquet/cim10-2025-01-01.parquet',chapter WHERE lft >= l AND rgt <= r “““” You can also query the parquet file directly from the url: “““” SELECT * FROM 'https://static.data.gouv.fr/resources/terminology-au-format-parquet/20260531-114329/cim10-2025-01-01.parquet' “““”