About: http://webisa.webdatacommons.org/128468701

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	Heading: Lists information such as To, From, Subject, Date, and so on, and states the subject clearly and concisely with the most important words at the beginning of the subject line.
http://www.w3.org/ns/prov#wasQuotedFrom	purdue.edu