About: http://webisa.webdatacommons.org/178995731

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	When two sound waves of different frequency approach your ear, the alternating constructive and destructive interference causes the sound to be alternatively soft and loud - a phenomenon which is called beating or producing beats.
http://www.w3.org/ns/prov#wasQuotedFrom	gsu.edu