{"action":"closed","issue":{"url":"https://api.github.com/repos/kbase/nextgen/issues/8","labels_url":"https://api.github.com/repos/kbase/nextgen/issues/8/labels{/name}","comments_url":"https://api.github.com/repos/kbase/nextgen/issues/8/comments","events_url":"https://api.github.com/repos/kbase/nextgen/issues/8/events","html_url":"https://github.com/kbase/nextgen/issues/8","id":66658207,"number":8,"title":"One way references?","user":{"login":"MrCreosote","id":1686141,"avatar_url":"https://avatars.githubusercontent.com/u/1686141?v=3","gravatar_id":"","url":"https://api.github.com/users/MrCreosote","html_url":"https://github.com/MrCreosote","followers_url":"https://api.github.com/users/MrCreosote/followers","following_url":"https://api.github.com/users/MrCreosote/following{/other_user}","gists_url":"https://api.github.com/users/MrCreosote/gists{/gist_id}","starred_url":"https://api.github.com/users/MrCreosote/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/MrCreosote/subscriptions","organizations_url":"https://api.github.com/users/MrCreosote/orgs","repos_url":"https://api.github.com/users/MrCreosote/repos","events_url":"https://api.github.com/users/MrCreosote/events{/privacy}","received_events_url":"https://api.github.com/users/MrCreosote/received_events","type":"User","site_admin":false},"labels":[],"state":"closed","locked":false,"assignee":null,"milestone":null,"comments":3,"created_at":"2015-04-06T17:23:31Z","updated_at":"2015-04-24T17:18:26Z","closed_at":"2015-04-24T17:18:26Z","body":"https://github.com/kbase/nextgen/blame/master/docs/challenges/data.md#L11\r\n\r\n>all refs hierarchical/one-way\r\n\r\nI'm not sure I understand this - references in the workspace are one way because they're created at the time of object creation, and obviously you can't create a reference to an object that doesn't exist. Beyond that, the reference graph is a DAG (not a tree as implied above) with this method which has many nice properties. Finally, in the current implementation although the references have a direction, you can follow references in either direction."}}