About: http://webisa.webdatacommons.org/19585352

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	... of an element is the value of the element's formaction attribute, if the element is a submit button and has such an attribute, or the value of its form owner's ... attribute, if it has one, or else the empty string.
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org