About: http://webisa.webdatacommons.org/455360794

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	Buildpacks should use the STACK variable to selectively pull binaries and other dependencies appropriate for that stack.
http://www.w3.org/ns/prov#wasQuotedFrom	heroku.com