{"id":3508,"date":"2026-04-23T20:04:53","date_gmt":"2026-04-23T11:04:53","guid":{"rendered":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/?post_type=seminar&#038;p=3508"},"modified":"2026-04-23T20:11:00","modified_gmt":"2026-04-23T11:11:00","slug":"searching-for-anomalies-with-foundation-models","status":"publish","type":"seminar","link":"https:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/3508\/","title":{"rendered":"Searching For Anomalies with Foundation Models"},"content":{"rendered":"<p>Anomaly detection relaxes the assumptions of how new physics should emerge and extends the reach of what we can discover. However, interpreting the data and estimating backgrounds remains a challenge.<br \/>\nIn this new work, we investigate anomalous events selected by the OmniLearned Foundation model across different model sizes, performing a full analysis using CMS Open Data. Surprisingly, models of different sizes, trained on the same data with the same loss functions, select entirely different collisions. In particular, the large OmniLearned model (500M parameters) selects events that are not well described by the background model.<\/p>\n<hr>\n<p>\u30a2\u30ce\u30de\u30ea\u30fc\u691c\u51fa\u306f\uff0c\u65b0\u7269\u7406\u304c\u3069\u306e\u3088\u3046\u306b\u73fe\u308c\u308b\u3079\u304d\u304b\u3068\u3044\u3046\u4eee\u5b9a\u3092\u7de9\u548c\u3057\uff0c\u63a2\u7d22\u53ef\u80fd\u306a\u7269\u7406\u306e\u7bc4\u56f2\u3092\u62e1\u5f35\u3057\u307e\u3059\u3002\u3057\u304b\u3057\uff0c\u30c7\u30fc\u30bf\u306e\u89e3\u91c8\u3084\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u306e\u63a8\u5b9a\u306f\u4f9d\u7136\u3068\u3057\u3066\u5927\u304d\u306a\u8ab2\u984c\u3067\u3059\u3002<br \/>\n\u672c\u7814\u7a76\u3067\u306f\uff0cOmniLearned Foundation \u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u9078\u629e\u3055\u308c\u305f\u30a2\u30ce\u30de\u30ea\u30fc\u4e8b\u8c61\u306b\u3064\u3044\u3066\uff0c\u30e2\u30c7\u30eb\u30b5\u30a4\u30ba\u306e\u9055\u3044\u306b\u7740\u76ee\u3057\u3066\u8abf\u67fb\u3057\uff0cCMS Open Data \u3092\u7528\u3044\u305f\u5305\u62ec\u7684\u306a\u89e3\u6790\u3092\u884c\u3044\u307e\u3057\u305f\u3002\u9a5a\u304f\u3079\u304d\u3053\u3068\u306b\uff0c\u540c\u4e00\u306e\u30c7\u30fc\u30bf\u30bb\u30c3\u30c8\u3092\u7528\u3044\uff0c\u540c\u3058\u640d\u5931\u95a2\u6570\u3067\u5b66\u7fd2\u3055\u308c\u305f\u306b\u3082\u304b\u304b\u308f\u3089\u305a\uff0c\u7570\u306a\u308b\u30e2\u30c7\u30eb\u30b5\u30a4\u30ba\u306e\u30e2\u30c7\u30eb\u306f\u4e92\u3044\u306b\u5168\u304f\u7570\u306a\u308b\u885d\u7a81\u4e8b\u8c61\u3092\u9078\u629e\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002\u3068\u304f\u306b\uff0c\u5927\u898f\u6a21\u306a OmniLearned \u30e2\u30c7\u30eb\uff085 \u5104\u30d1\u30e9\u30e1\u30fc\u30bf\uff09\u306f\uff0c\u30d0\u30c3\u30af\u30b0\u30e9\u30a6\u30f3\u30c9\u30e2\u30c7\u30eb\u3067\u306f\u5341\u5206\u306b\u8a18\u8ff0\u3067\u304d\u306a\u3044\u4e8b\u8c61\u3092\u9078\u629e\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n","protected":false},"featured_media":0,"template":"","tags":[],"seminar_category":[154],"acf":{"s_now_accepting":true,"s_date_order":"2026-05-28 15:00:00","s_date_end":"2026-05-28 16:00:00","s_date_text":"15:00-16:00","s_text":"Vinicius Massami Mikuni (KMI)","s_place":"ES635","s_place_other":"","s_categoryother":"","s_poster":"","s_poster2":"","s_slide":""},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Searching For Anomalies with Foundation Models - KMI - Nagoya University<\/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:\/\/www.kmi.nagoya-u.ac.jp\/eng\/seminar\/3508\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Searching For Anomalies with Foundation Models - KMI - Nagoya University\" \/>\n<meta property=\"og:description\" content=\"Anomaly detection relaxes the assumptions of how new physics should emerge and extends the reach of what we can discover. 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