duckcdm
Copyright 2026 duckcdm authors

This product includes software and data derived from OHDSI SqlRender
(https://github.com/OHDSI/SqlRender), Copyright Observational Health Data
Sciences and Informatics, licensed under the Apache License, Version 2.0:
  - src/duckcdm/sqlrender (Python port of org.ohdsi.sql.*)
  - src/duckcdm/sqlrender/csv/replacementPatterns.csv (verbatim)
  - ref/java, tests/java/org (verbatim Java reference sources)

This product includes software derived from OHDSI circe-be
(https://github.com/OHDSI/circe-be), Copyright Observational Health Data
Sciences and Informatics, licensed under the Apache License, Version 2.0:
  - src/duckcdm/circe (Python port of org.ohdsi.circe cohort SQL generation)
  - src/duckcdm/circe/sql (SQL templates, verbatim)
  - tests/java_circe/org, tests/java_circe/resources (verbatim Java reference sources)

This product bundles a built copy of OHDSI Atlas3 (https://github.com/OHDSI/Atlas3),
Copyright Observational Health Data Sciences and Informatics, Apache License 2.0,
in src/duckcdm/webapi/static/atlas (unmodified build; config/plugins.json emptied), and
SQL resources from OHDSI WebAPI (https://github.com/OHDSI/WebAPI, branch webapi-3.0),
Apache License 2.0, in src/duckcdm/webapi/sql.

This product includes SQL and CSV resources from OHDSI Achilles (https://github.com/OHDSI/Achilles),
Apache License 2.0, in src/duckcdm/achilles.

src/duckcdm/omop/cdm_fields.csv is derived from OHDSI CommonDataModel field-level
specifications (https://github.com/OHDSI/CommonDataModel), Apache License 2.0.
