PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to Sally Cram, DDS, ADA Consumer Advisor and periodontist in private practice in Washington, DC, periodontal disease is a chronic infection caused by certain types of bacteria.
http://www.w3.org/ns/prov#wasQuotedFrom
  • drdonnica.com