PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In all cases, the elements of the equation are presented in a standard mathematical form commonly seen in both textbooks and scientific papers.These equations can be presented in a number of formats and styles, including a variety of fonts, font sizes, borders and background colour.
http://www.w3.org/ns/prov#wasQuotedFrom
  • scientific-computing.com