About: http://webisa.webdatacommons.org/77830964

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	For example, unbiased opinion is a kind of opinion, accurate estimate is a kind of estimate, and the reply no comment is not taken as a comment.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu