PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • In developed countries, such as in Europe, for example, the average life expectancy can sometimes reaches 80-years old, whilst the average age of retirement remains 55 years-old for women and 60 years-old for men.
http://www.w3.org/ns/prov#wasQuotedFrom
  • ielts-simon.com