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The legal system has a word to describe AI "slop" --- it is called "negligence".

And as the remedy starts being applied (aka "liability"), the enthusiasm for AI will start to wane.

I wouldn't be surprised if some businesses ban the use of AI --- starting with law firms.

Can we just call them "lies" and "fabrications" which is what they are? If I write the same, you will call them "made up citations" and "academic dishonesty".

One can use AI to help them write without going all the way to having it generate facts and citations.

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Is the baseline assumption of this work that an erroneous citation is LLM hallucinated?

Did they run the checker across a body of papers before LLMs were available and verify that there were no citations in peer reviewed papers that got authors or titles wrong?

It's going to be even worse than 50:

> Given that we've only scanned 300 out of 20,000 submissions, we estimate that we will find 100s of hallucinated papers in the coming days.

Checking each citation one by one is quite critical in peer review, and of course checking a colleagues paper. I’ve never had to deal with AI slop, but you’ll definitely see something cited for the wrong reason. And just the other day during the final typesetting of a paper of mine I found the journal had messed up a citation (same journal / author but wrong work!)
I love that fake citation that adds George Costanza to the list of authors!
How sloppy is someone that they don't check their references!
If a carpenter builds a crappy shelf “because” his power tools are not calibrated correctly - that’s a crappy carpenter, not a crappy tool.

If a scientist uses an LLM to write a paper with fabricated citations - that’s a crappy scientist.

AI is not the problem, laziness and negligence is. There needs to be serious social consequences to this kind of thing, otherwise we are tacitly endorsing it.

Someone commented here that hallucination is what LLMs do, it’s the designed mode of selecting statistically relevant model data that was built on the training set and then mashing it up for an output. The outcome is something that statistically resembles a real citation.

Creating a real citation is totally doable by a machine though, it is just selecting relevant text, looking up the title, authors, pages etc and putting that in canonical form. It’s just that LLMs are not currently doing the work we ask for, but instead something similar in form that may be good enough.

This interpretation would have been ok for old generation models without search tools enabled and without reliable tool use and reasoning. Modern LLMs can actually look up the existence of papers with web search, and with reasoning, one can definitely get reasonable results by requiring the model to double check that everything actually exists.
The issue is there are incentives for more quantity and not quality in modern science (well more like academia), so people will use tools to pump stuff out. It'll get worse as academic jobs tighten due.
To me, this is exactly what LLMs are good for. It would be exhausting double checking for valid citations in a research paper. Fuzzy comparison and rote lookup seem primed for usage with LLMs.

Writing academic papers is exactly the _wrong_ usage for LLMs. So here we have a clear cut case for their usage and a clear cut case for their avoidance.

Thanx AI, for exposing this problem that we knew was there, but could never quite prove.
It's awful that there are these hallucinated citations, and the researchers who submitted them ought to be ashamed. I also put some of the blame on the boneheaded culture of academic citations.

"Compression has been widely used in columnar databases and has had an increasing importance over time.[1][2][3][4][5][6]"

Ok, literally everyone in the field already knows this. Are citations 1-6 useful? Well, hopefully one of them is an actually useful survey paper, but odds are that 4-5 of them are arbitrarily chosen papers by you or your friends. Good for a little bit of h-index bumping!

So many citations are not an integral part of the paper, but instead randomly sprinkled on to give an air of authority and completeness that isn't deserved.

I actually have a lot of respect for the academic world, probably more than most HN posters, but this particular practice has always struck me as silly. Outside of survey papers (which are extremely under-provided), most papers need many fewer citations than they have, for the specific claims where the paper is relying on prior work or showing an advance over it.

https://blog.iclr.cc/2025/11/19/iclr-2026-response-to-llm-ge...

> Papers that make extensive usage of LLMs and do not disclose this usage will be desk rejected.

This sounds like they're endorsing the game of how much can we get away with, towards the goal of slipping it past the reviewers, and the only penalty is that the bad paper isn't accepted.

How about "Papers suspected of fabrications, plagiarism, ghost writers, or other academic dishonesty, will be reported to academic and professional organizations, as well as the affiliated institutions and sponsors named on the paper"?

> crushed by an avalanche of submissions fueled by generative AI, paper mills, and publication pressure.

Run of the mill ML jobs these days ask for "papers in NeurIPS ICLR or other Tier-1 conferences".

We're well past Goodhart's law when it comes to publications.

It was already insane in CS - now it's reached asylum levels.

This is as much a failing of "peer review" as anything. Importantly, it is an intrinsic failure, which won't go away even if LLMs were to go away completely.

Peer review doesn't catch errors.

Acting as if it does, and thus assuming the fact of publication (and where it was published) are indicators of veracity is simply unfounded. We need to go back to the food fight system where everyone publishes whatever they want, their colleagues and other adversaries try their best to shred them, and the winners are the ones that stand up to the maelstrom. It's messy, but it forces critics to put forth their arguments rather than quietly gatekeeping, passing what they approve of, suppressing what they don't.

After an interview with Cory Doctorow I saw recently, I'm going to stop anthropomorphizing these things by calling them "hallucinations". They're computers, so these incidents are just simply Errors.
Ah, yes: meta-level model collapse. Very good, carry on.
One wonders why this has not been largely fully automated. If we track those citations anyway. Surely we have database of them and most of them are easily matched there. So only outliers need to be checked either as new latest papers or mistakes which should be close enough to something or real fakes.

Maybe there just is no incentive for this type of activity.

Unfortunately while catching false citations is useful, in my experience that's not usually the problem affecting paper quality. Far more prevalent are authors who mis-cite materials, either drawing support from citations that don't actually say those things or strip the nuance away by using cherry picked quotes simply because that is what Google Scholar suggested as a top result.

The time it takes to find these errors is orders of magnitude higher than checking if a citation exists as you need to both read and understand the source material.

These bad actors should be subject to a three strikes rule: the steady corrosion of knowledge is not an accident by these individuals.

I sincerely hope every person who has invested money in these bullshit machines loses every cent they've got to their name. LLMs poison every industry they touch.
That's what I'm really afraid of – we will be drowning in the AI slop as a society and we'll loose the most important thing that made free and democratic society possible - a trust. People just don't tust anyone and/or anything any more. And the lack of trust, especially in scale, is very expensive.