About: http://webisa.webdatacommons.org/181600657

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	BTW, the fact that they do not work on some systems is the biggest reason not to use them.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com