About: http://webisa.webdatacommons.org/120689296

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	And, if the feedback were positive (in such a direction as to add to the input signal) the system would have been unstable, by breaking into oscillation.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com