About: http://webisa.webdatacommons.org/222278982

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	From the title I assume Customer.sin is a long - and the problem is you are trying to compare them as Strings rather then by their numeric value.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com