About: http://webisa.webdatacommons.org/291324256

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	A sound source such as a TV or RADIO can intermittently or continuously emit audio, such as A-T, A-R throughout the residence, see FIG. 1.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com