About: http://webisa.webdatacommons.org/56753172

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	Or you are reporting what someone else measured or wrote about, which can be useful indeed but is a far different thing than talking about what you hear, which I much more often find useful from others.
http://www.w3.org/ns/prov#wasQuotedFrom	head-fi.org