About: http://webisa.webdatacommons.org/220613208

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, accurate measurement of pulse rate is often complicated by a number of factors such as arrhythmias and artifacts.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com