About: http://webisa.webdatacommons.org/19811809

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	where the Keyword is a single word, a set of related words, or a phrase.
http://www.w3.org/ns/prov#wasQuotedFrom	crpuzzles.com