PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Appropriately sized pores in materials including zeolites and silicas can act as molecular sieves that separate gas molecules by effective size.
http://www.w3.org/ns/prov#wasQuotedFrom
  • stanford.edu