About: http://webisa.webdatacommons.org/165178612

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	It has further been discovered that this RF signal changes as the characteristics of the electrode and the shelves change over time due to wear and other problems.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com