PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • According to the 2010 Procter & Gamble (P&G) Professional ???Cleaning in a Down Economy??? survey, 65 percent of respondents said the restroom is the most important room to clean and 39 percent said it is the most difficult room to clean.
http://www.w3.org/ns/prov#wasQuotedFrom
  • cmmonline.com