Oh fantastic. I am already seeing the revolution in news journalism with your example!
The 'job' must be declared, with certain specifications, as well as maximum entries I suspect. The oracles can process metadata for gps locations and a bit more information, can use certain image algorithms to sort faces, perhaps other text in photos, but will still need to manually review the filtered entries at some point.
There will be work involved or the oracles would be terminat....I mean friendly androids!