PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Mathematicians thus accepted his belief that geometry should use no tools but compass and straightedge ??? never measuring instruments such as a marked ruler or a protractor, because these were a workman???s tools, not worthy of a scholar.
http://www.w3.org/ns/prov#wasQuotedFrom
  • readtiger.com