About: http://webisa.webdatacommons.org/9842376

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	You can use any number of tools to identify 404 pages, such as Screaming Frog, Link Sleuth, or Google Webmaster Tools.
http://www.w3.org/ns/prov#wasQuotedFrom	searchenginewatch.com