About: http://webisa.webdatacommons.org/411088807

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	Is it a common or normal practice to encounter schema changes, especially renamed or removed columns, in a production database, without having been notified of the change?
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com