PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • additional sources not accessed by the sites below. 7.1 How can I access databases such as Chemical Abstracts?
http://www.w3.org/ns/prov#wasQuotedFrom
  • molecularstation.com