PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Large samples such as ours are necessary for detecting modest associations, but such samples usually involve multiple collection sites, introducing the potential for confounding or other complications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • plos.org