I've heard of narrow AIs that can supposedly identify an author from their writings. I'm not certain how accurate they are, or how much material they need, but perhaps we could use such a system here to identify sockpuppets and make ban evasion more difficult.
narrow AIs that can supposedly identify an author from their writing
It's not a "narrow AI", it's a straightforward statistical model. Or, if you prefer, an outcome of machine learning applied to texts of different authors.
identify sockpuppets
A voting sockpuppet doesn't post except to get the initial karma. It just up- and down-votes -- there is no text to analyse.
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