PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Carbon monoxide can cause harmful health effects by reducing oxygen delivery to the body???s organs (like the heart and brain).??? Hazardous air pollutants, such as benzene, are pollutants known or suspected to cause cancer or other serious health effects, such as birth defects, or adverse environmental effects.??? Hydrogen sulfide is a toxic and flammable gas that poses safety and health hazards
http://www.w3.org/ns/prov#wasQuotedFrom
  • slideshare.net