PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • With more adults seeking unique and meaningful learning experiences in both recreational and professional arenas, informal learning institutions, such as museums, zoos, and botanical gardens are a natural source.
http://www.w3.org/ns/prov#wasQuotedFrom
  • science.gov