PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The term. ???micron-sized??? refers to particles having diameters that are greater than 1 micron, ???sub-micron-sized??? refers to particles whose diameters are within the range of 100 nm to 1,000 nm, typically 150 nm or above, and ???nano-sized??? refers to particles whose diameters are less than 100 nm, particularly 50 nm or below.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com