About: http://webisa.webdatacommons.org/432387310

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 course things must change if new test reveal that they are unsafe.A very good post that I missed.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceray.com