How we built a verified dataset of 198 tour group headset rules

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We work on a small app for tour guides (Your Next Tours), so we needed that table anyway. This post is about how we built it, what the schema looks like, and the mistakes we tried to avoid. The result is open under CC BY 4.0 on Hugging Face and Kaggle. The first pass was a survey of 228 candidate rules. That list was useful for finding places, but it was not trustworthy.

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