About: http://webisa.webdatacommons.org/430323329

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	With this technology, however, there is a problem in that the refining process is complicated, and a superior refining effect cannot be expected.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com