PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • From Wikipedia (faster than typing myself!):SODIS:Sunlight is treating the contaminated water through three synergistic radiation mechanisms.UV-A (wavelength 320-400nm) which react with oxygen dissolved in the water produces highly reactive forms of oxygen (oxygen free radicals and hydrogen peroxides) in the water.
http://www.w3.org/ns/prov#wasQuotedFrom
  • backpackinglight.com