Yes, copyvio's are always a problem - although last year there were /relatively/ (compared to normal commons uploads) few. It seems this year it's a bit more.

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.

L

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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2012/9/4 Mike Dupont jamesmikedupont@googlemail.com

http://www.tineye.com/ and others http://www.makeuseof.com/dir/whostolemypictures-find-duplicate-pictures-onli...

Thanks. Tried the plugin but the results were not very good. However, found this Chrome plugin: https://chrome.google.com/webstore/detail/dajedkncpodkggklbegccjpmnglmnflm. It gave me [a lot] better results (just in case someone is looking for a similar tool). I was thinking in making some kind of script to auto-check categories, but I don't think that would be reliable/useful as a human should still check the results :S.

@Lodewijk: Thanks for the suggestions.