#data-modelling

1 post tagged “data-modelling”.

• Aug 29, 2026 · Playbooks · 9 min read

  Data Modelling for Document Extraction: Provenance, Versioning, Promotion

  The Postgres schema that lets you re-extract a corpus with a new parser, compare both versions in SQL, promote atomically and roll back with one UPDATE — with every extracted value tracing back to a page and a bounding box.