PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Since your (gratifying) comment suggested that you???re already familiar with MECLABS material and principles, you may remember that the factors that affect Open rate include such items as Relevance (to a recipient???s innate and current motivations), attributes of the Subject-line copy such as Urgency and Specificity, etc.
http://www.w3.org/ns/prov#wasQuotedFrom
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