About: http://webisa.webdatacommons.org/108969098

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	Although .mp3 is the most popular format, some audio files may have extensions such as .mp4, .aac, .m4a, .ogg, .wma,.wav ??? the list goes on.
http://www.w3.org/ns/prov#wasQuotedFrom	dummies.com