1. Google China Faculty Summit
瞿裕忠（Yuzhong Qu）
南京大学计算机科学与技术系

2. Google’s Mission … Innovation and user benefit
Organize the world’s information, to make it accessible for people and benefit users
Extend the capability of people, but not in isolation
Aggregation of human inputs is exceedingly valuable

3. Google’s Knowledge Graph
When you search,
not just looking for a webpage.
looking to get answers, understand concepts and explore.
Challenge
To understand real-world things and the relationships among them.
Knowledge Graph
A huge collection of the people, places and things in the world and how they're connected to one another.

4. Google’s Knowledge Graph
Map the universe of things, not just web pages
The current size of Knowledge Graph
500M entities, 1,500 types
3.5 billion facts, 35,000 properties
Reconciliation!

5. The basis for the Google Knowledge Graph
Freebase
An online collection of structured data harvested from many sources, including individual 'wiki' contributions.
:BaseKB
A tool for accessing Freebase data in RDF data model.
It might be a milestone for both Freebase and the Semantic Web
Size
25M entities, 1,500 types
450M facts, //35,000 properties?

6. Google’s Search (KG) Search Find the right thing Get the best summary
Go deeper and broader

7. 致谢

8. Reference
Kurt D. Bollacker, Colin Evans, Praveen Paritosh, Tim Sturge, Jamie Taylor: Freebase: a collaboratively created graph database for structuring human knowledge. SIGMOD Conference 2008:
Alfred Z. Spector, Peter Norvig, Slav Petrov: Google's hybrid approach to research. Commun. ACM 55(7): (2012)
Alfred Z. Spector (IBM): Architecting Knowledge Middleware
WWW 2002