About: http://webisa.webdatacommons.org/82042385

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	If that is something you envision needing, I would consider using record types on Contact to differentiate the different contact types...
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com