Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Online
United States

Wikidata is a free and open knowledge base that can be read and edited by both humans and machines.

YAGO2s is a huge semantic knowledge base, derived from Wikipedia WordNet and GeoNames. Currently, YAGO2s has knowledge of more than 10 million entities (like persons, organizations, cities, etc.) and contains more than 120 million facts about these entities.
