About: http://webisa.webdatacommons.org/264127297

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	they stipulate for Output Statements, in practice, there is a wide variation in their quality.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com