About: http://webisa.webdatacommons.org/375684419

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	They are also useful in large public venues such as churches, theaters or lecture halls and are useful to help people hear through public address systems where competing noise or distance from the sound source may be a hindrance.
http://www.w3.org/ns/prov#wasQuotedFrom	atsu.edu