PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The quality, breadth, and detail of our data set us apart: ??? Credible - We use only the most reliable sources, such as governments, medical societies, and accredited medical institutions ??? Accurate - Medmeme processes data using proprietary algorithms, first to normalize it to standardize fields for easy comparison, followed by a disambiguation process that prevents duplication.
http://www.w3.org/ns/prov#wasQuotedFrom
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