About: http://webisa.webdatacommons.org/378108218

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	Systems typically include at least one actuator, at least one sensor, and a catheter or other device for positioning at least partially in a heart chamber.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com