PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • FIG. 2 is a graph showing the calculated velocity of ultrasound as a function of particle size and frequency for water containing 10% by weight of silica;
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com