About: http://webisa.webdatacommons.org/97740227

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 one is an integer and one is a string that could cause the problem you are seeing.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com