About: http://webisa.webdatacommons.org/90073357

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	On one hand validating the data earlier is a good thing especially if the data is likely to be used for something else that would not generate an error but which would generate other bad data.
http://www.w3.org/ns/prov#wasQuotedFrom	msdn.com