About: http://webisa.webdatacommons.org/227650523

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	It might help if you could post some sample data (with names and other identifying data munged to protect the presumed innocent) - samples of rows that only appear in one and rows that appear in both.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com