About: http://webisa.webdatacommons.org/196019863

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	The start time of a detection window used for confirmation may be associated with an inflection point of the electrocardiogram signal, such as a maxima or a minima.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca