PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Maxifier, which works with publishers such as Forbes, The Guardian UK, AH Belo and others, generally works on inventory that commands $20- to $25 dollar CPMs on average, Katsur said. ???SSPs are focused largely on the unsold inventory,??? he said. ???They???re playing in the pennies of dollars, we???re playing in the 10???s and 20???s of dollars.
http://www.w3.org/ns/prov#wasQuotedFrom
  • adexchanger.com