PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Epstein's team used a highly sensitive instrument called a mass spectrometer to analyze the concentration of toxic elements in the radon-infused water ... if people added a slightly acidic beverage such as wine or fruit juice to the jar, the resulting fluid contained 300 times more than the maximum arsenic intake recommended by the EPA.
http://www.w3.org/ns/prov#wasQuotedFrom
  • boingboing.net