collection(@some_articles) do |collection|
    collection.values do |values|
        values.id      "http://example.com/json"
        values.title   "Feed"
        values.updated Time.now

        values.author {
            values.name  "John Doe"
            values.email "joedoe@example.com"
        }

        values.author {
            values.name  "Foo Bar"
            values.email "foobar@example.com"
        }
    end

    collection.link("next"    , "http://a.link.com/next")
    collection.link("previous", "http://a.link.com/previous")

    collection.members(:root => "articles") do |member, article|
        member.values do |values|
            values.id      "uri:#{article[:id]}"
            values.title   article[:title]
            values.updated article[:updated]
        end

        member.link("image", "http://example.com/image/1")
        member.link("image", "http://example.com/image/2", :type => "application/json")
    end
end