About: http://webisa.webdatacommons.org/443017766

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	Many other companies may do this test but perhaps it is in house or only done once a year or every 10 years.
http://www.w3.org/ns/prov#wasQuotedFrom	mothering.com