About: http://webisa.webdatacommons.org/397913684

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	However, other means such as permanent magnets may be used to produce a magnetic flux distribution for obtaining the same effect as described above.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com