PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Form of shell, cylindrical, the first three whirls being about equal in diameter, the fourth is a little smaller; then the shell slopes to a blunt point, forming an angle of sixty??-nine degrees.
http://www.w3.org/ns/prov#wasQuotedFrom
  • si.edu