About: http://webisa.webdatacommons.org/23577594

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	It is a huge investment to change systems, and code history can be lost, although for many systems there are converters that let you migrate your code as well as history and other artifacts created by the system being retired.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com