About: http://webisa.webdatacommons.org/188537017

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	For example, a maternal reference signal can be obtained using other sensing modes, such as ultrasound, imaging, and blood pressure sensing, to facilitate fetal ECG extraction.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com