PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In each cycle of the survey, two types of data were collected from two different sets of respondents within each of the institutions:
http://www.w3.org/ns/prov#wasQuotedFrom
  • nsf.gov