Freebase is a socially managed, semantic database that provides a rich set of APIs for accessing a wide range of data about the world around us. Getting started with Freebase is quick and easy - there are no API keys and you can make up to 100k queries a day as long as you follow the Creative Commons Attribution license.
11. 99% pure
All data undergoes rigorous QA before load
Major focus is reconciliation
Use sampling to assure 99% accuracy
Data that does not meet 99% accuracy is not loaded
26. Topic API
Shortcut to building Topic displays
Two forms:
basic (names, types, description)
standard (basic + keys, properties)
http://www.freebase.com/experimental/topic/standard?id=/en/ncis
30. Getting Started++
• Freebase Documentation Hub
• http://www.freebase.com/docs
• Developer Mailing List
• http://lists.freebase.com/mailman/listinfo/freebase-discuss
• http://freebase.markmail.org
• Real Time help on IRC
• Freenode #freebase
• Freebase Happenings
• http://blog.freebase.com
• About the Graph Store
• Google: "ACM SIGMOD schema last tuple store"