PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In languages such as C#(/.NET) and Java, it is reasonable to assume that an object reference is valid (or is the sentinel value, null), but in C (and C++) where pointers have free range, it is possible for strcmp() to receive pointers that:
http://www.w3.org/ns/prov#wasQuotedFrom
  • accu.org