PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Erythromycin is a well-known antibiotic which is available as white or slightly yellow crystals or powder.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.es