About: http://webisa.webdatacommons.org/9843727

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	Some tag-reader systems communicate via magnetic fields, while other types of systems communicate via electric fields.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com