PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Without a very strong magnetic field, such as the one that the Earth generates, or substitute, people and most other forms of life experience significant and often life-ending problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • planetsave.com