About: http://webisa.webdatacommons.org/333560707

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	Regardless, here is an example of updating a table with a date using different datatypes... so hopefully (though I doubt) it will be clearer to you...
http://www.w3.org/ns/prov#wasQuotedFrom	oracle.com