PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Last week, Google announced a major change in the way it delivers search results, moving from "siloed searches for blogs, videos, news and other categories to a universal search model, incorporating all of those categories in a single page, ranked against each other for relevance.
http://www.w3.org/ns/prov#wasQuotedFrom
  • searchenginewatch.com