From the article and the cited Meta blog post, the AI is trained on millions of wiki citations. As for what it's attempting to do: >Automated tools can help id

From the article and the cited Meta blog post, the AI is trained on millions of wiki citations. As for what it's attempting to do: >Automated tools can help identify gibberish or statements that lack citations, but helping human editors determine whether a source actually backs up a claim is a much more complex task — one that requires an AI system’s depth of understanding and analysis. >we’ve developed the first model capable of automatically scanning hundreds of thousands of citations at once to check whether they truly support the corresponding claims.