PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Plastic food containers, food packaging, and wraps contain highly toxic phthalates and BPA. Plastic toys can be toxic unless labeled ???BPA-free.??? Cell phones, computers, televisions, and microwaves disrupt electromagnetic fields and outgas BPAs and other harmful chemicals.
http://www.w3.org/ns/prov#wasQuotedFrom
  • simonandschuster.com