About: http://webisa.webdatacommons.org/431049788

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	But, as said, there is an option you can check that will only allow those people already on your buddy list to message you.
http://www.w3.org/ns/prov#wasQuotedFrom	straightdope.com