About: http://webisa.webdatacommons.org/439904382

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	This interface can get or set arbitrary option contents; you are not limited to predefined types such as integer or boolean.
http://www.w3.org/ns/prov#wasQuotedFrom	call-cc.org