PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With the development of quantum field theory and general relativity in the twentieth century, it was realized that particles influence one another through fundamental interactions, and that force is a concept arising from the conservation of momentum.
http://www.w3.org/ns/prov#wasQuotedFrom
  • newworldencyclopedia.org