PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Officials in the U.S. and elsewhere in recent months have expressed growing concerns about cyberattacks that could cripple critical infrastructure systems such as power grids, dams or transportation systems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • chinapost.com.tw