PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Infertility is an increasing problem all over the world, and it has been estimated that 10-15% of couples in fertile age have fertility problems.
http://www.w3.org/ns/prov#wasQuotedFrom
  • soton.ac.uk