About: http://webisa.webdatacommons.org/426762454

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	As far as your comment on Decible level (Db) there is much more then sheer volume that come into play when trying to penetrate a vehicle such as tone, frequency, sound projection pattern.
http://www.w3.org/ns/prov#wasQuotedFrom	firehouse.com