PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The bell jar 105 is made of material such as quartz (SiO2), alumina (A12 O3), boron nitride (BN) or silicon nitride (SiN).
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com