PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • It???s been shown that certain portions of the light spectrum, mainly blue, can mess with your circadian rhythms and interfere with sleep cycles.
http://www.w3.org/ns/prov#wasQuotedFrom
  • androidapps.com