About: http://webisa.webdatacommons.org/186089135

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 can overcome this problem by providing the starting label such as the following:
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com