PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • This course is designed to train small water system operators to understand the theory, design and operation of water filtration facilities, including both gravity and pressure filtration systems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ihs.gov