PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Weak pointers are also useful, but are flawed in a multithreaded environment.The other day a hybrid smart/weak pointer occurred to me, I will present it here.A refresher:A smart pointer is an object that acts like a native pointer, but whose lifetime controls a dynamically allocated object's lifetime.
http://www.w3.org/ns/prov#wasQuotedFrom
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