PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Finding the difference in one of these ???timed rounds??? causes the game to proceed as normal; failing to find it before the time expires causes some sort of distracting visual effect to make finding further differences more difficult ??? these effects include ???ripples??? over one of the images, as if it was covered in water, or colored paint blobs randomly dropping on the play area.
http://www.w3.org/ns/prov#wasQuotedFrom
  • adweek.com