About: http://webisa.webdatacommons.org/415412418

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 all measurements, other conditions that could affect noise levels, such as passing trains, air brake release, police sirens, subway musicians etc., were also noted.
http://www.w3.org/ns/prov#wasQuotedFrom	healthyhearing.com