PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • At that time, chemical irritants had just entered the law enforcement market and were considered a useful tool for subject control, but critics feared these weapons would worsen respiratory health problems such as asthma or even cause death.
http://www.w3.org/ns/prov#wasQuotedFrom
  • policemag.com