About: http://webisa.webdatacommons.org/449397754

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	Prior art is a previously existing technology which has been publicly available at the time that an invention was made (either through published papers or through being sold in the marketplace).
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org