PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You can use any length units, both absolute and relative, to specify font sizes, but for reasons discussed throughout this chapter, it is best to use a relative measurement such as ems, so the user can easily scale the type to other sizes.
http://www.w3.org/ns/prov#wasQuotedFrom
  • peachpit.com