PropertyValue
http://www.w3.org/1999/02/22-rdf-syntax-ns#type
http://www.w3.org/ns/prov#value
  • Formed in 1981 to research non-toxic forms of pest control, Sonic Technology and its founders confirmed that high-frequency ultrasound could be used as a behavior modification technique to repel rats and mice from an area.
http://www.w3.org/ns/prov#wasQuotedFrom
  • sonictechnology.com