About: http://webisa.webdatacommons.org/220567765

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	You have no whitespace rule so StringCharacter matches everything except quote and backslash chars (+ the escape sequenc).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com