About: http://webisa.webdatacommons.org/300632908

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	Just go to someone's spark page and on the right side towards the top is a button that says add to my friends" - really no particular protocol that I know of though.
http://www.w3.org/ns/prov#wasQuotedFrom	sparkpeople.com