About: http://webisa.webdatacommons.org/451521064

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	Email::Valid is an illustrous example: reporting if a string has characteristics of an email address.
http://www.w3.org/ns/prov#wasQuotedFrom	metacpan.org