PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The book is a follow-up to Maas???s New York Times bestseller, Power Sleep (Random House and Harper Collins), widely praised as successful in helping adults enjoy a happier, healthier and more productive life.
http://www.w3.org/ns/prov#wasQuotedFrom
  • powersleep.org