About: http://webisa.webdatacommons.org/247991134

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	int isgraph( int c ) Returns true if c is a printing character other than space (' ') and
http://www.w3.org/ns/prov#wasQuotedFrom	zeepedia.com