PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Planks and other ab exercises can require more core strength than you have right now to do them effectively, and you do want to avoid putting stress on your midline.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sparkpeople.com