PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The e-mail marketer can be much less rigorous, and yet be far more successful than the catalog circulation expert.Take the example of an e-mail opt-in subscriber who failed to interact with any of the past forty weekly e-mail campaigns your company chose to send to this customer.E-mail marketers, please make a case for whether this customer should or should not receive next week's e-mail campaign
http://www.w3.org/ns/prov#wasQuotedFrom
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