PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Relevance involves many factors such as the user???s preferences, the user???s task, the user???s stage in their information-seeking, the user???s domain knowledge, the user???s intent, and the context of a particular search.[i] While many different kinds of relevance have been discussed in the literature, topical relevance is the one most often used in testing relevance ranking algorithms.
http://www.w3.org/ns/prov#wasQuotedFrom
  • hathitrust.org