About: http://webisa.webdatacommons.org/239561054

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	Public-address speakers, message boards, and other hardware, of course, must be purchased and installed (preferably by a qualified audiovisual consultant).
http://www.w3.org/ns/prov#wasQuotedFrom	buildings.com