PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • BACKGROUND OF THE INVENTION [0003] Communication networks and electric power distribution grids are two important examples of complex, multicomponent, systems. [0004] Communication networks include transmission media such as coaxial cable and fiber-optic cable, active components such as electronic or optical amplifiers, power supplies, interface devices, and a wide variety of structural components
http://www.w3.org/ns/prov#wasQuotedFrom
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