PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • wherein Q1 is an N-containing aromatic ring and Q2 is an aromatic ring fused to Q1;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com