Looking for some annotated documents!

Hi, dear colleagues,
I am looking for some annotated documents by using ontologies,
can someone can tell me where i can find them.
Thank you very much!
-- 
Best Regards!
Jun Fang - PhD candidate,
Control & Networks Institute,
College of Automation,
Northwestern Polytechnical University,
Xi'an, Shaanxi Province, China
E-mail:leon.essence@gmail.com