About: http://webisa.webdatacommons.org/279539347

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	Some people use carpet for this, but it is dense and takes up valuable interior volume, whereas open-cell foam sold for this purpose is mostly air and works better, which is why you see it on the walls of recording studios.
http://www.w3.org/ns/prov#wasQuotedFrom	colomar.com