About: http://webisa.webdatacommons.org/333457889

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	I could not find any other examples of the form X is friends of Y, where X is a person and Y is one or more people -- so it is not surprising that Jim was surprised by this usage.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu