About: http://webisa.webdatacommons.org/447198858

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	...to me that sounds like saying words are made of letters and can not refer to things that are not letters, therefore e.g. trees and clouds must be made of letters.
http://www.w3.org/ns/prov#wasQuotedFrom	lesswrong.com