About: http://webisa.webdatacommons.org/427539398

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	It uses a ???strain sensitive??? cable to detect vibrations of surfaces where the cable is installed, including walls, ceilings, floors and pipes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com