About: http://webisa.webdatacommons.org/346621245

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	If you still can not get this to work in your case, let us know the types of a and b you are working with.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com