About: http://webisa.webdatacommons.org/351522328

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	Because speech is a non-stationary signal, there are abrupt changes between region 20, region 30, and region 40.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com