About: http://webisa.webdatacommons.org/20957260

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	Thanks rudy.But try this forum URL above for example it already reached 130 characters.So I guess TEXT is the safest way.Because VARCHAR is too short.
http://www.w3.org/ns/prov#wasQuotedFrom	sitepoint.com