{"id":13599,"date":"2024-07-28T17:00:03","date_gmt":"2024-07-28T17:00:03","guid":{"rendered":"https:\/\/dailyai.com\/?p=13599"},"modified":"2024-07-29T09:48:32","modified_gmt":"2024-07-29T09:48:32","slug":"ai-models-face-collapse-when-trained-on-ai-generated-data-study-finds","status":"publish","type":"post","link":"https:\/\/dailyai.com\/sv\/2024\/07\/ai-models-face-collapse-when-trained-on-ai-generated-data-study-finds\/","title":{"rendered":"AI-modeller riskerar att kollapsa n\u00e4r de tr\u00e4nas p\u00e5 AI-genererad data, visar studie"},"content":{"rendered":"<p><b>En ny studie som publicerats i Nature visar att AI-modeller, inklusive stora spr\u00e5kmodeller (LLM), snabbt f\u00f6rs\u00e4mras i kvalitet n\u00e4r de tr\u00e4nas p\u00e5 data som genererats av tidigare AI-modeller.\u00a0<\/b><\/p>\n<p><span style=\"font-weight: 400;\">Detta fenomen, som kallas \"modellkollaps\", kan f\u00f6rs\u00e4mra kvaliteten p\u00e5 framtida AI-modeller, s\u00e4rskilt n\u00e4r mer AI-genererat inneh\u00e5ll sl\u00e4pps ut p\u00e5 internet och d\u00e4rf\u00f6r \u00e5tervinns och \u00e5teranv\u00e4nds i modellutbildningsdata.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">F\u00f6r att unders\u00f6ka detta fenomen har forskare fr\u00e5n University of Cambridge, University of Oxford och andra institutioner <a href=\"https:\/\/www.nature.com\/articles\/s41586-024-07566-y\">genomf\u00f6rda experiment<\/a> som visar att n\u00e4r AI-modeller upprepade g\u00e5nger tr\u00e4nas p\u00e5 data som producerats av tidigare versioner av dem sj\u00e4lva, b\u00f6rjar de generera meningsl\u00f6sa resultat.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Detta observerades i olika typer av AI-modeller, inklusive spr\u00e5kmodeller, variationsautoenkoder och gaussiska blandningsmodeller.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">I ett viktigt experiment med spr\u00e5kmodeller finjusterade teamet OPT-125m-modellen p\u00e5 WikiText-2-datasetet och anv\u00e4nde den sedan f\u00f6r att generera ny text. <\/span><\/p>\n<p><span style=\"font-weight: 400;\">Den AI-genererade texten anv\u00e4ndes sedan f\u00f6r att tr\u00e4na n\u00e4sta \"generation\" av modellen, och processen upprepades g\u00e5ng p\u00e5 g\u00e5ng.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Det dr\u00f6jde inte l\u00e4nge innan modellerna b\u00f6rjade producera alltmer osannolika och meningsl\u00f6sa texter.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">I den nionde generationen genererade modellen fullst\u00e4ndig rappakalja, som att lista flera icke-existerande typer av \"jackrabbits\" n\u00e4r man fr\u00e5gade om engelska kyrktorn.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Forskarna observerade ocks\u00e5 hur modellerna f\u00f6rlorar information om \"s\u00e4llsynta\" eller ovanliga h\u00e4ndelser innan de helt kollapsar.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Detta \u00e4r alarmerande, eftersom s\u00e4llsynta h\u00e4ndelser ofta r\u00f6r marginaliserade grupper eller avvikare. Utan dem riskerar modellerna att koncentrera sina svar till ett smalt spektrum av id\u00e9er och \u00f6vertygelser, vilket f\u00f6rst\u00e4rker f\u00f6rdomar.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">AI-f\u00f6retagen \u00e4r medvetna om detta, och d\u00e4rf\u00f6r sluter de avtal med nyhetsf\u00f6retag och utgivare f\u00f6r att s\u00e4kra ett stadigt fl\u00f6de av h\u00f6gkvalitativ, m\u00e4nskligt skriven, aktuell och relevant information.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">\"Budskapet \u00e4r att vi m\u00e5ste vara mycket f\u00f6rsiktiga med vad som hamnar i v\u00e5ra utbildningsdata\", s\u00e4ger han. <\/span><span style=\"font-weight: 400;\">studie<\/span><span style=\"font-weight: 400;\"> medf\u00f6rfattare Zakhar Shumaylov fr\u00e5n University of Cambridge <\/span><a href=\"https:\/\/www.nature.com\/articles\/d41586-024-02420-7\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">ber\u00e4ttade f\u00f6r Nature<\/span><\/a><span style=\"font-weight: 400;\">. \"Annars kommer saker och ting alltid, bevisligen, att g\u00e5 fel.\"<\/span><\/p>\n<p><span style=\"font-weight: 400;\">F\u00f6r att f\u00f6rst\u00e4rka denna effekt har en ny <\/span><a href=\"https:\/\/reutersinstitute.politics.ox.ac.uk\/how-many-news-websites-block-ai-crawlers\" target=\"_blank\" rel=\"noopener\"><span style=\"font-weight: 400;\">studie<\/span><\/a><span style=\"font-weight: 400;\"> av Dr. Richard Fletcher, forskningschef vid Reuters Institute for the Study of Journalism, fann att n\u00e4stan h\u00e4lften (48%) av de mest popul\u00e4ra nyhetssajterna i v\u00e4rlden nu \u00e4r otillg\u00e4ngliga f\u00f6r OpenAI:s s\u00f6krobotar, medan Googles AI-s\u00f6krobotar blockeras av 24% av sajterna.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Som ett resultat har AI-modeller tillg\u00e5ng till en mindre pool av h\u00f6gkvalitativ, ny data \u00e4n tidigare, vilket \u00f6kar risken f\u00f6r att tr\u00e4na p\u00e5 underm\u00e5lig eller f\u00f6r\u00e5ldrad data.\u00a0<\/span><\/p>\n<h2>L\u00f6sningar p\u00e5 modellkollaps<\/h2>\n<p><span style=\"font-weight: 400;\">N\u00e4r det g\u00e4ller l\u00f6sningar konstaterar forskarna att det \u00e4r avg\u00f6rande f\u00f6r AI:s framtid att uppr\u00e4tth\u00e5lla tillg\u00e5ngen till originaldatak\u00e4llor som genererats av m\u00e4nniskor.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Sp\u00e5rning och hantering av AI-genererat inneh\u00e5ll skulle ocks\u00e5 vara till hj\u00e4lp f\u00f6r att f\u00f6rhindra att det av misstag f\u00f6rorenar utbildningsdataset. Det skulle vara mycket knepigt, eftersom AI-genererat inneh\u00e5ll blir om\u00f6jligt att uppt\u00e4cka.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Forskarna f\u00f6resl\u00e5r fyra huvudsakliga l\u00f6sningar:<\/span><\/p>\n<ul>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Vattenm\u00e4rkning av AI-genererat inneh\u00e5ll f\u00f6r att skilja det fr\u00e5n data som skapats av m\u00e4nniskor<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Skapa incitament f\u00f6r m\u00e4nniskor att forts\u00e4tta producera inneh\u00e5ll av h\u00f6g kvalitet<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Utveckla mer sofistikerade filtrerings- och kurateringsmetoder f\u00f6r utbildningsdata<\/span><\/li>\n<li style=\"font-weight: 400;\" aria-level=\"1\"><span style=\"font-weight: 400;\">Utforska olika s\u00e4tt att bevara och prioritera tillg\u00e5ngen till originalinformation som inte genererats av AI<\/span><\/li>\n<\/ul>\n<h2>Modellkollaps \u00e4r ett verkligt problem<\/h2>\n<p><span style=\"font-weight: 400;\">Denna studie \u00e4r l\u00e5ngt ifr\u00e5n den enda som unders\u00f6ker modellkollaps.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">F\u00f6r inte s\u00e5 l\u00e4nge sedan gjorde Stanfordforskare <\/span><a href=\"https:\/\/arxiv.org\/abs\/2404.01413\"><span style=\"font-weight: 400;\">j\u00e4mf\u00f6rde tv\u00e5 scenarier<\/span><\/a><span style=\"font-weight: 400;\"> d\u00e4r modellkollaps kan intr\u00e4ffa: en d\u00e4r varje ny modelliterations tr\u00e4ningsdata helt ersatte tidigare data och en annan d\u00e4r syntetiska data l\u00e4ggs till i den befintliga dataupps\u00e4ttningen.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">N\u00e4r data byttes ut f\u00f6rs\u00e4mrades modellens prestanda snabbt f\u00f6r alla testade arkitekturer.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Men n\u00e4r data till\u00e4ts \"ackumuleras\" kunde modellkollaps i stort sett undvikas. AI-systemen bibeh\u00f6ll sina prestanda och i vissa fall f\u00f6rb\u00e4ttrades de till och med.<\/span><\/p>\n<p><span style=\"font-weight: 400;\">S\u00e5 trots trov\u00e4rdiga farh\u00e5gor \u00e4r modellkollaps inte en sj\u00e4lvklarhet - det beror p\u00e5 hur mycket AI-genererad data som finns i upps\u00e4ttningen och f\u00f6rh\u00e5llandet mellan syntetisk och autentisk data.\u00a0<\/span><\/p>\n<p><span style=\"font-weight: 400;\">Om och n\u00e4r modellkollaps b\u00f6rjar bli uppenbart i frontier-modeller kan du vara s\u00e4ker p\u00e5 att AI-f\u00f6retagen kommer att f\u00f6rs\u00f6ka hitta en l\u00e5ngsiktig l\u00f6sning.\u00a0<\/span><\/p>\n<p>Vi \u00e4r inte d\u00e4r \u00e4n, men det kan vara en fr\u00e5ga om n\u00e4r, inte om.<\/p>","protected":false},"excerpt":{"rendered":"<p>En ny studie som publicerats i Nature visar att AI-modeller, inklusive stora spr\u00e5kmodeller (LLM), snabbt f\u00f6rs\u00e4mras i kvalitet n\u00e4r de tr\u00e4nas p\u00e5 data som genererats av tidigare AI-modeller.  Detta fenomen, som kallas \"modellkollaps\", kan f\u00f6rs\u00e4mra kvaliteten p\u00e5 framtida AI-modeller, s\u00e4rskilt n\u00e4r mer AI-genererat inneh\u00e5ll sl\u00e4pps ut p\u00e5 internet och d\u00e4rf\u00f6r \u00e5tervinns och \u00e5teranv\u00e4nds i modellutbildningsdata.  F\u00f6r att unders\u00f6ka detta fenomen har forskare fr\u00e5n University of Cambridge, University of Oxford och andra institutioner genomf\u00f6rt experiment som visar att n\u00e4r AI-modeller upprepade g\u00e5nger tr\u00e4nas p\u00e5 data som producerats av tidigare versioner av dem sj\u00e4lva b\u00f6rjar de generera meningsl\u00f6sa resultat.  Detta var<\/p>","protected":false},"author":2,"featured_media":13600,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[84],"tags":[105,619],"class_list":["post-13599","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-industry","tag-machine-learning","tag-model-collapse"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>AI models face collapse when trained on AI-generated data, study finds | DailyAI<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/dailyai.com\/sv\/2024\/07\/ai-models-face-collapse-when-trained-on-ai-generated-data-study-finds\/\" \/>\n<meta property=\"og:locale\" content=\"sv_SE\" \/>\n<meta property=\"og:type\" content=\"article\" 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when trained on data generated by previous AI models.\u00a0 This phenomenon, termed &#8220;model collapse,&#8221; could erode the quality of future AI models, particularly as more AI-generated content is released onto the internet and, therefore, recycled and reused in model training data.\u00a0 Investigating this phenomenon, researchers from the University of Cambridge, University of Oxford, and other institutions conducted experiments showing that when AI models are repeatedly trained on data produced by earlier versions of themselves, they start generating nonsensical outputs.\u00a0 This 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