About: http://webisa.webdatacommons.org/326924850

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	The rest of this answer is fine as far as it goes, but it would be much better to include the difference between those issues so it is clear why a separate alone can be used when referring to the prerequisites.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com