About: http://webisa.webdatacommons.org/82697796

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 could use a monitoring and graphing system such as Cacti which will alert of you of such changes and keep historical data for future reference.
http://www.w3.org/ns/prov#wasQuotedFrom	serverfault.com