About: http://webisa.webdatacommons.org/277135503

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	Although many uses easily could be found for electronic wattmeters, the lack of sufficient accuracy, the high cost, and other factors have limited the usefulness of prior electronic wattmeters.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com