I would suggest to disqualify early - or else you may forget about it. Some countries used for this purpose a categorization system: they inserted a category through the form automatically (something about 'unchecked') and would simply change that to 'checked' if they checked the image fit the description in the database.

2012/9/4 Racso <racso@colombia.com>

I think I'll wait until tomorrow before asking for deletion, to let the participant answer (just in case [?]).

I have another question about the topic: should I disqualify invalid images (e.g. from monuments that aren't on the lists) immediately, or wait (until when? the end of the contest?)?

Racso

2012/9/3 Racso <racso@colombia.com>

Hello.

I have detected that a participant just uploaded photographs he found on internet, so I must proceed to mark them for deletion. Sigh.

My question is, Does someone know about any [semi-]automated tool to verify if uploaded images already existed? I use Google image search, but that tool requires checking single images at a time.

Thanks,
Racso

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