# fact database

> database that contains measured or observed data (primary data)

**Wikidata**: [Q1393704](https://www.wikidata.org/wiki/Q1393704)  
**Source**: https://4ort.xyz/entity/fact-database


## References

1. YSO-Wikidata mapping project
2. UMLS 2023
3. Wikibase TDKIV