About: http://webisa.webdatacommons.org/110506150

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	The following is an example for creating a custom validator that validates the format of email addresses.
http://www.w3.org/ns/prov#wasQuotedFrom	github.com