PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Although insufficient sleep is a risk factor for obesity, cardiovascular disease and diabetes, depression, and prospective mortality, about 20% to 40% of the US adults sleep less than the minimum sleep duration (7-8 hours per night) to prevent cumulative deterioration in cognitive performance.
http://www.w3.org/ns/prov#wasQuotedFrom
  • upenn.edu