PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Here use the java.lang.ref.SoftReference Do not know the difference between several types of reference, and now describe the following: In previous versions of JDK 1.2, if an object is not referenced by any variable, then the program can no longer us ...
http://www.w3.org/ns/prov#wasQuotedFrom
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