PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Poor indoor environmental quality is associated with a wide range of problems that include poor concentration and learning difficulties, respiratory illnesses like asthma, headaches, fatigue, organ damage and other serious health effects ??? all of which can reduce students??? and teachers??? productivity.
http://www.w3.org/ns/prov#wasQuotedFrom
  • csea.com