PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Davies explained that VOC comprises three types of feedback: direct, where you ask for feedback such as through a survey and customers give it; indirect, where customers are talking about you instead of to you, as with a tweet; and inferred, where the actual feedback is in customers' heads but can be surmised based on information such as behavioral and operations data.
http://www.w3.org/ns/prov#wasQuotedFrom
  • dmnews.com