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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.
(Score: 5, Insightful) by bzipitidoo on Saturday September 01 2018, @01:17PM (1 child)
This is like figuring out how to set the "evil bit". Also, Bowdlerization, named after a 19th century guy who tried to sanitize fiction. He replaced profanity with milder language, tried to edit out sexual innuendos, subversive ideas, and so on, and ended up ruining the story. Some of the TV censorship they used to try in 1950s and 1960s America is just nuts. The Ed Sullivan Show censored musicians, so, for instance The Rolling Stones "Let's Spend The Night Together" was changed to "Let's Spend Some Time Together". Now most people appreciate that trying to hide the existence of sex from teenagers doesn't work, doesn't fool them for long, and often doesn't end well. Even dictionaries practiced censorship. I had a 1948 Websters that defined "masturbate" with just 2 words: "self pollution". (That dictionary also had an entry for "yellow peril". Yeah, it was extremely racist.) I think also that squeamishness about digestion has lessened, and a good thing too, as related medical problems often went untreated and even unrecognized thanks to ignorance on that subject. I have read that there was a lively debate on Wikipedia over whether to include a picture of human poop on the page about feces, finally resolved in favor of having the pictures.
Other terrible uses of censorship are to cater to racism and other forms of discrimination, and to suppress dissent. Star Trek (the original series) was the first to have a scene in which a white and a black kissed. The first time I saw it, I had no idea that scene was such a big deal. But Star Trek did a lot more than that. The censors also didn't like criticism of the Vietnam War, and Star Trek worked that in too, and got it past the censors by distracting them with sex. That's the chief reason why the female crew members in Star Trek had such short, short uniforms. Of course it was also because sex does sell, but mainly it was a calculated distraction not for the audience, but for the censors so that they'd be so busy censoring out the boatloads of sex that they missed the veiled references to the stupidities of the Vietnam War.
Conservatives try to get messages across to liberals, but the liberals aren't listening too well, very aggravatingly dismissing the conservatives as idiots and all their thinking as stupid. (Mind you, the contempt and refusal to acknowledge facts is even thicker in the other direction. Further, the media loves to fan the flames, to make "good copy".) That message is that life has its ugly sides. Conservatives are particularly focused on the fact that life is highly competitive, and see liberals as fools for not appreciating that enough. They have good reason to view outsiders as foes looking to compete with us for limited resources, because they'd do it themselves to those outsiders. At the least, they want to maintain a show of strength so those others don't start to get certain ideas along those lines. Such messages are particularly vulnerable to being thought bad and deserving of censorship.
(Score: 1) by khallow on Saturday September 01 2018, @09:38PM
I suppose there is a modest amount of projection there. But really this sort of automated censorship is so bad that one doesn't need to have a conservative viewpoint to see the problems. So much of the argument for this sort of thing is "A is bad. B solves A. Thus, we should do B." without regard for whether either of the first two statements is correct (though I grant the stereotypical hate speech is bad in at least a couple of relevant ways in this case) nor considering the cost of B.