PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There are a number of words in English (only, even, too, also) that are associated with a focus: an element that is implicitly constrasted with other items, as in John drinks only beer, where only serves to contrast beer with such other items as wine or vodka; that is, John drinks only beer says that John does not drink wine, that he does not drink vodka, and so on.
http://www.w3.org/ns/prov#wasQuotedFrom
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