About: http://webisa.webdatacommons.org/403449697

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 volume controls may regulate a ratio or intensity of an audio signal directly and volume may be a product of an audio control level that varies over a range, for example 1 to 10, or 0 to 100 percent, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com