About: http://webisa.webdatacommons.org/19209801

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 need to listen for a certain amount of time per session, for example 30 minutes or more, it depends on how much you can concentrate.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com