About: http://webisa.webdatacommons.org/50069213

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	Using a char data type is typically faster than using a VARCHAR data type; however, the cost of storing CHAR data types usually offset the performance gain.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com