PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • However, what happens when the data is messy, such as data from a blog, or Twitter feeds, or data collected from a seismic survey of an oil field, or event data collected from millions of sensors embedded in an electrical network, or even text descriptions in emails sent to customer service?
http://www.w3.org/ns/prov#wasQuotedFrom
  • isa.org