PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • To weigh out the sodium alginate and other chemicals used in this science project, cut a small piece of wax paper (around 8 cm???10 cm on each side), place the wax paper on the scale, zero out the scale (so that it reads 0 g), and then weigh out the chemical on the wax paper.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sciencebuddies.org