About: http://webisa.webdatacommons.org/448019743

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 our experience, sometimes live links and live pages can be marked as non-existent due to heavy traffic, server issues, time-out responses, and other problems.
http://www.w3.org/ns/prov#wasQuotedFrom	searchenginejournal.com