About: http://webisa.webdatacommons.org/355332050

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	In fact, there was a principle that had been used in communication circuits quite a lot.
http://www.w3.org/ns/prov#wasQuotedFrom	ethw.org