PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • M is an element selected from the group consisting of 4B, 3A, 4A, and 5A group elements of the Periodic Table, and preferably selected from the group consisting of Si, Zr, Ti, Al, Sn, In, and Sb;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com