PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Over time, as romantic relationships other than marriage came into acceptance, we started to recognize the concept of a ???boyfriend??? or a ???girlfriend??? as a kind of audition for marriage, as well as the concept of an unmarried long-term lover or partner.
http://www.w3.org/ns/prov#wasQuotedFrom
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