About: http://webisa.webdatacommons.org/170022566

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	Of course, there is a solution (e.g. the eix-installed-after script with appropriate options, and of course the output of that script can be cast into a set), but a portage-only solution would be nice.
http://www.w3.org/ns/prov#wasQuotedFrom	gentoo.org