About: http://webisa.webdatacommons.org/69445987

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	Aptitude even tracks what packages are installed by request versus what are installed as dependencies so if you uninstall a package and the dependencies are no longer needed, they go away too.
http://www.w3.org/ns/prov#wasQuotedFrom	osnews.com