PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Fracking fluid typically consists of more than 98% water and sand, with less than 2% chemical additives that may include friction reducers, biocides, gels to carry the proppant into the fractures, solvents, surfactants and other additives.
http://www.w3.org/ns/prov#wasQuotedFrom
  • jdsupra.com