>>I did a Google search for "autospanning datasets" and "auto spanning datasets" and didn't get any hits. What is it?
>>
>>>It is already used to pick out possible terrorist/drug conversations from billions of phone calls. IMHO that sort of stuff is best handled by a distributed "device", which is why autospanning datasets makes so much sense.
>
>I got over 88,000 hits on google with auto spanning datasets

But how many did you get with "auto spanning datasets" ?