A proposal for allowing multiple CURIEs in HAL for use in values as well as keys.

proposal.json

{
  "_links": {
    "self": { "href": "/" },
    "curies": [{
      "name": "ex",
      "href": "http://www.example.com/rels/{rel}",
      "templated": true
    },
    {
      "name": "ot",
      "href": "http://otherservice.serverfarm.us/blog/{action}",
      "templated": true
    },
    {
      "name": "tag",
      "href": "#tag:me@example.com,2012-12-20:{tag}",
      "templated": true
    }],
    "ex:postAway": { "href": "ot:posts" },
    "ex:commentAway": { "href": "ot:comment" }
  },
  "ex:someOpaqueResourceIdentifier": "tag:1029384756",
  "ex:anotherOpaqueResourceIdentifier": "tag:6574839201"
}