About: http://webisa.webdatacommons.org/171124611

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	The integrate-and-dump (I&DF) filter 22 further reduces noise and other extraneous signals, particularly harmonics of the system-wide, e.g. 60 Hz., signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com