Simon Willison’s Weblog

Doing things with Ordnance Survey OpenData. Jo Walsh’s guide to processing Ordnance Survey OpenData using PostgreSQL and PostGIS.

Posted 20th May 2010 at 3:22 pm

Recent articles

I think "agent" may finally have a widely enough agreed upon definition to be useful jargon now - 18th September 2025
My review of Claude's new Code Interpreter, released under a very confusing name - 9th September 2025
Recreating the Apollo AI adoption rate chart with GPT-5, Python and Pyodide - 9th September 2025

mapping 54 open-data 15 ordnancesurvey 3 postgis 6 postgresql 152 recovered 213 jo-walsh 1

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