About: http://webisa.webdatacommons.org/270287116

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	Examples of such systems include power supplies for laptop computers, plug-in battery chargers for hand-held electronic devices such as cell phones, portable music players.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com