PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The results emphasize that sleep is a process, says Paul Shaw, a neuroscientist at Washington University in St. Louis who was not involved in the study. ???Whatever biological function sleep serves takes time,??? he says. ???So if you wake up, you disrupt that process and have to start from scratch again.???
http://www.w3.org/ns/prov#wasQuotedFrom
  • biosingularity.com