Any big XML file doled out would fit your definition.

-W

On 19/05/2014, Costello, Roger L. costello@xxxxxxxxx
<xsl-list-service@xxxxxxxxxxxxxxxxxxxxxx> wrote:
> Hi Folks,
>
> I want to create a compelling demonstration of XSLT Streaming.
>
> I want to demonstrate stream-processing of data from a streaming data
> provider (the data provider produces XML-formatted data over an extended
> period of time). Do you know of such a data provider? What do you
> recommend?
>
> /Roger