About: http://webisa.webdatacommons.org/284725452

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	Observing the reproduction signal waveform after the recording, the amplitude of the reproduction signal after the recording is reduced in a portion on which dirt, such as a fingerprint, is present.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com