PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • You can probably thank your genes for the sheen: Overly oily skin is a problem that is often handed down through generations within a family.Changes in hormone levels, such as those that occur during the teen years and early 20s, can cause skin to become oily and trigger outbreaks of acne.
http://www.w3.org/ns/prov#wasQuotedFrom
  • howstuffworks.com