PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Like Google Currents, they are all free to download and use, not counting the network charges.A common thread is that they allow people to select content from around the Web, such as news, photos, or their own Facebook and Twitter accounts, and arrange it on the screen in a way that lets them flick through the content like pages in a magazine.Google posted a video demo of its app in a blog post.
http://www.w3.org/ns/prov#wasQuotedFrom
  • pcworld.com