PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Retailers can add copy to Flash sequences that is visible to both search engines and visitors-such as text describing the product-and they can add text only for search engines, similar to the page titles and metadata such as keywords and descriptions they create for standard web pages.
http://www.w3.org/ns/prov#wasQuotedFrom
  • internetretailer.com