About: http://webisa.webdatacommons.org/175389654

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	Q is a measure of a filter's selectivity (how well it filters) and can be represented by the expression: Q=f0/BW, where (f0) is the filter's center frequency, and BW is the filter's bandwidth.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr