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posted by mrpg on Saturday September 01 2018, @07:01AM   Printer-friendly
from the blame-humans-of-course dept.

New research has shown just how bad AI is at dealing with online trolls.

Such systems struggle to automatically flag nudity and violence, don’t understand text well enough to shoot down fake news and aren’t effective at detecting abusive comments from trolls hiding behind their keyboards.

A group of researchers from Aalto University and the University of Padua found this out when they tested seven state-of-the-art models used to detect hate speech. All of them failed to recognize foul language when subtle changes were made, according to a paper [PDF] on arXiv.

Adversarial examples can be created automatically by using algorithms to misspell certain words, swap characters for numbers or add random spaces between words or attach innocuous words such as ‘love’ in sentences.

The models failed to pick up on adversarial examples and successfully evaded detection. These tricks wouldn’t fool humans, but machine learning models are easily blindsighted. They can’t readily adapt to new information beyond what’s been spoonfed to them during the training process.


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  • (Score: 2) by Entropy on Saturday September 01 2018, @09:12PM (1 child)

    by Entropy (4228) on Saturday September 01 2018, @09:12PM (#729327)

    Their special special very fragile feelings must be protected by AI. We'll call anything that offends their delicate psyche "hate speech". We can't allow them to see anything they might disagree with or it'll hurt their delicate feelings.

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  • (Score: 0) by Anonymous Coward on Sunday September 02 2018, @04:57PM

    by Anonymous Coward on Sunday September 02 2018, @04:57PM (#729573)

    Chelsea Manning!