PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Known as Nickel-in-the-Slot, the machine was an instant success, earning over $1000 in less than half a year.Charles Strite Patents Pop-up Toaster The automatic pop-up toaster, which ejects the toast after toasting it, was first patented by Charles Strite in 1919.
http://www.w3.org/ns/prov#wasQuotedFrom
  • yuku.com