PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Organic Certifiers may test if there is reason to believe there is some sort of contamination either unintentionally (spray drift from neighboring farms) or intentionally (fraud), but it has never been a requirement.
http://www.w3.org/ns/prov#wasQuotedFrom
  • issuu.com