About: http://webisa.webdatacommons.org/410860183

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 the appearing individual is other than the requesting individual, then he or she must also present a letter of introduction signed by the requesting individual so that the comparison of signature may be made.
http://www.w3.org/ns/prov#wasQuotedFrom	cornell.edu