About: http://webisa.webdatacommons.org/159548276

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	These indicate that the heart is a dipolar source having the positive and negative poles at (A) and (B), respectively.
http://www.w3.org/ns/prov#wasQuotedFrom	bem.fi