Here we describe what is auto generated for you: ZIP, CSV and JSON versions.
We auto generate compressed
ZIP versions of datasets so users can download entire dataset with one click. Let's take a look at "finance-vix" dataset example - https://datahub.io/core/finance-vix :
Once downloaded you would get all available versions of the data along with the descriptor (metadata) file called "datapackage.json".
All datasets on DataHub are "packaged" as data packages
Read more about it - http://datahub.io/docs/data-packages
For tabular data we auto generate CSV and JSON versions. Again, if we use "finance-vix" example here, we can find download links for CSV and JSON: