About: http://webisa.webdatacommons.org/171276386

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	I have tried adding additional variable, the variables totally stripped, except the first one, the forward-slash is required, and I have no problem with it
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com