PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • That has left many looking for deep-pocketed partners to form joint ventures to help pay for the expensive hydraulic fracturing technology that allows them to crack the brittle shale rocks and extract the natural gas and other products.
http://www.w3.org/ns/prov#wasQuotedFrom
  • tradearabia.com