PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Control valves, which are widely used in the process industries such as oil & gas, chemicals, energy & power, water management, food & beverages, mining & metals, pulp & paper, pharmaceuticals, and others, have proved to be very useful to cater to the growing need for automation in the process industry.
http://www.w3.org/ns/prov#wasQuotedFrom
  • marketsandmarkets.com