# Page Not Found

The URL `components/data-standardization/schema_json` does not exist.

You might be looking for one of these pages:
- [Labeling events](https://docs.pdap.io/activities/data-source-annotation/labeling-events.md)
- [Label new Data Sources](https://docs.pdap.io/activities/data-source-annotation.md)
- [Database details](https://docs.pdap.io/about/data-dictionaries.md)
- [Legal](https://docs.pdap.io/meta/operations/legal.md)
- [Agencies data dictionary](https://docs.pdap.io/about/data-dictionaries/agencies-data-dictionary.md)

## How to find the correct page

1. **Browse the full index**: [/sitemap.md](https://docs.pdap.io/sitemap.md) - Complete documentation index
2. **View the full content**: [/llms-full.txt](https://docs.pdap.io/llms-full.txt) - Full content export

## Tips for requesting documentation

- For markdown responses, append `.md` to URLs (e.g., `/activities/data-source-annotation/labeling-events.md`)
- Use `Accept: text/markdown` header for content negotiation