Freebase

Description

"Freebase is an open database of the world’s information. It is built by the community and for the community—free for anyone to query, contribute to, built applications on top of, or integrate into their websites."

Openness: OPEN

• License: CC-BY for data. Variety of open source licenses (or PD) for text blurbs & images.
• Access: API + bulk.http://www.freebase.com/view/allDomains
  • bulk: yes. http://download.freebase.com/
  • api: yes. http://www.freebase.com/view/freebase/api

Triple count and link statistics provided by Freebase contributor Tom Morris

RDF data and URIs

Freebase has an RDF service that exposes URIs and generates RDF descriptions for all Freebase topics.