PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The development of their products ??? beneficial, neutral, and harmful; necessary and frivolous ??? often involves the exploitation and suffering of humans and other animals on an immense scale, both as research subjects and as the providers of needed materials.
http://www.w3.org/ns/prov#wasQuotedFrom
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