PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The small letters a, b, etc. are used when there is a need to differentiate the same part on the two tweezers for example, with one tweezers designated with the small letter a and the other with the small letter b or sometimes for sections within a part, for example, 4 is represented by 4 a and 4 b; 9 is represented by 9 a and 9 b; 12 is represented by 12 a
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com