PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Corrosion and other problems involved with the handling of chlorine and hydrochloric acid are substantial. [0004] U.S. Pat. No. 3,172,915 granted to Borkowski, et al. is directed to a process for converting methane to methanol.
http://www.w3.org/ns/prov#wasQuotedFrom
  • google.co.uk