PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • SiOx(OR)y wherein x is from 0 to 1.2, and y is from 1.4 to 4 with the proviso that (2x+y) is 4; and R is an organic group, such as C1 to C4 alkyl.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com