Simon Willison’s Weblog

Of Building Blocks, Rosetta Stones and Geographic Identifiers. Yahoo! GeoPlanet is now mapped to identifiers from other gazetteers such as GeoNames, FIPS and IATA—and those identifiers are available via the GeoPlanet API.

Posted 11th April 2010 at 9:53 pm

Recent articles

OpenAI's new open weight (Apache 2) models are really good - 5th August 2025
ChatGPT agent's user-agent - 4th August 2025
The ChatGPT sharing dialog demonstrates how difficult it is to design privacy preferences - 3rd August 2025

geodata 3 geonames 7 geoplanet 7 yahoo 107

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