About: http://webisa.webdatacommons.org/168238145

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	Without sending mail to the address and seeing whether there is a human on the other hand to answer you, you cannot determine whether a mail address is valid.
http://www.w3.org/ns/prov#wasQuotedFrom	oopweb.com