About: http://webisa.webdatacommons.org/434771609

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	Some systems, especially older ones, need to be checked every few months or weeks to ensure efficiency.
http://www.w3.org/ns/prov#wasQuotedFrom	wisegeek.com