About: http://webisa.webdatacommons.org/271918972

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	There are methods, typically involving some sort of magnetic field mapping (to determine the susceptibility gradients that gave rise to the distortion) that may, under certain circumstances, be able to provide a rudimentary correction.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com