PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The compounds, except proteins, genes, RNAs, and ions, such as lipids and carbohydrates, although they are complicated, are all shown as ???simple molecule' for the sake of convenience.
http://www.w3.org/ns/prov#wasQuotedFrom
  • nih.gov