PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • For this reason, there is a problem in that it is extremely difficult to realize by the conventional method a switching system which is capable of switching optical signal links as the signal capacity further increases in the future.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.com