About: http://webisa.webdatacommons.org/269034144

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	And sure, the validate method should also be validate against an XML schema, if the body is a string, document, ... and may be against a regular expression, if the content is a CSV or fixed length record...
http://www.w3.org/ns/prov#wasQuotedFrom	apache.org