About: http://webisa.webdatacommons.org/332755716

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	Representatives of browser vendors have expressed reluctance to add additional extension points to HTML, including Microsoft, who think DE is not important enough to justify changes [to the spec] at this time (source).
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org