About: http://webisa.webdatacommons.org/9197029

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	Unfortunately, thin film magnetic heads are subject to substantial wear when the head contacts magnetic recording media such as tape, for example.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com