PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Today some of Google's services were unavailable to a small percentage of users, causing problems with all of their services including YouTube, Gmail, Google Analytics, Google Maps and Google Docs.
http://www.w3.org/ns/prov#wasQuotedFrom
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