About: http://webisa.webdatacommons.org/87640435

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I assume in your production farm you have a site collection with various document libraries in which social features such as ratings and keywords have already been activated and users have tagged and rated a number of documents.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com