PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The ports of a bridge or switch, such as multi root aware bridge or switch 322, 327 or 331, can be used as upstream ports, downstream ports, or both upstream and downstream ports, where the definition of upstream and downstream is as described in PCI Express Specifications.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com