PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • The negative electrodes attract positively charged ions such as calcium, magnesium, and sodium, and the positive electrodes attract negatively charged ions such as chloride, nitrate, and silica.
http://www.w3.org/ns/prov#wasQuotedFrom
  • wateronline.com