About: http://webisa.webdatacommons.org/455867541

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	For example, the cutoff frequencies described above for the band-pass and low-pass filters may be varied, one or both of these filters may be eliminated, or other filters may be added.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca