PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • 18:30:24 [Greg]The current definition of top-level viewport does not address what it is used for (displaying a document, etc.), only about whether it is inside another viewport, and if a window is a viewport, then tabs are not top-level viewports.
http://www.w3.org/ns/prov#wasQuotedFrom
  • w3.org