About: http://webisa.webdatacommons.org/316283687

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	Easy, we just create a data type to represent the different kinds of facts we want to represent, along with a convenience method or two, and make it an instance of Preorder:
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com