PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • There is a ton of information available, and it is quite complex and interesting.There are a few ways to maintain proper calcium and alkalinity levels, but I prefer to use a two-part alkalinity and calcium supplement called B-ionic.
http://www.w3.org/ns/prov#wasQuotedFrom
  • blogspot.com