PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In addition to social-networking sites such as LinkedIn and Facebook, valuable sources of contacts and information can include family, friends and neighbors; former colleagues and their friends; fellow alumni of your college or graduate school alma mater; acquaintances with whom you share an interest, such as a book club, soccer league or volunteer committee; and parents at your children??s school
http://www.w3.org/ns/prov#wasQuotedFrom
  • rollcall.com