PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The findings: carbon, hydrogen, oxygen, nitrogen, sulfur and phosphorous ??? key ingredients for life ??? plus chemicals such as sulfur dioxide and hydrogen sulfide that could provide energy for microorganisms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • discovermagazine.com