Simon Willison’s Weblog

20th May 2010 - Link Blog

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

Claude Opus 4.8: "a modest but tangible improvement" - 28th May 2026
I think Anthropic and OpenAI have found product-market fit - 27th May 2026
Notes on Pope Leo XIV's encyclical on AI - 25th May 2026

This is a link post by Simon Willison, posted on 20th May 2010.

mapping 54 open-data 15 ordnancesurvey 3 postgis 6 postgresql 159 recovered 213 jo-walsh 1

Monthly briefing

Sponsor me for $10/month and get a curated email digest of the month's most important LLM developments.

Pay me to send you less!

Sponsor & subscribe