About: http://webisa.webdatacommons.org/141449752

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	Examples of fields that are applicable to this method and system include but are not limited to acoustic, ultrasonic, shear, seismic, and electromagnetic fields.04-02-2009
http://www.w3.org/ns/prov#wasQuotedFrom	faqs.org