About: http://webisa.webdatacommons.org/296482306

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	You might use terms such as hum, squawk, and squeal, or develop a number scale with 1 5 very low and 5 5 very loud.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org