About: http://webisa.webdatacommons.org/250194750

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	A decibel is an increase or decrease in sound or signal level that you can just barely detect, if you are expecting the change.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com