{"id":7772,"date":"2025-10-01T22:53:42","date_gmt":"2025-10-01T22:53:42","guid":{"rendered":"https:\/\/pokecon.jp\/job\/?p=7772"},"modified":"2025-10-01T22:53:42","modified_gmt":"2025-10-01T22:53:42","slug":"recsys-2025%e5%8f%82%e5%8a%a0%e3%83%ac%e3%83%9d%e3%83%bc%e3%83%88-zozo-tech-blog","status":"publish","type":"post","link":"https:\/\/pokecon.jp\/job\/7772\/","title":{"rendered":"RecSys 2025\u53c2\u52a0\u30ec\u30dd\u30fc\u30c8 &#8211; ZOZO TECH BLOG"},"content":{"rendered":"\n<\/p>\n<div>\n<p><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250929\/20250929210736.png\" alt=\"RecSys 2025\u53c2\u52a0\u30ec\u30dd\u30fc\u30c8\"\/><\/p>\n<h2 id=\"\u306f\u3058\u3081\u306b\">\u306f\u3058\u3081\u306b<\/h2>\n<p>\u3053\u3093\u306b\u3061\u306f\u3001\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u90e8\u63a8\u85a6\u57fa\u76e4\u30d6\u30ed\u30c3\u30af\u306e\u4e0a\u570b\u6599\uff08<a target=\"_blank\" href=\"https:\/\/x.com\/Kamiko20174481\">@Kamiko20174481<\/a>\uff09\u3068MA\u63a8\u85a6\u30d6\u30ed\u30c3\u30af\u306e\u4f4f\u5b89\uff08<a target=\"_blank\" href=\"https:\/\/x.com\/kosuke_sumiyasu\">@kosuke_sumiyasu<\/a>\uff09\u3067\u3059\u3002<\/p>\n<p>\u79c1\u305f\u3061\u306f2025\u5e749\u670822\u65e5\u301c9\u670826\u65e5\u306b\u30c1\u30a7\u30b3\u306e\u30d7\u30e9\u30cf\u306b\u3066\u958b\u50ac\u3055\u308c\u305fRecSys2025\uff08<a target=\"_blank\" href=\"https:\/\/recsys.acm.org\/recsys25\/\">19th ACM Conference on Recommender Systems<\/a>\uff09\u306b\u73fe\u5730\u53c2\u52a0\u3057\u307e\u3057\u305f\u3002\u672c\u8a18\u4e8b\u3067\u306f\u4f1a\u5834\u306e\u69d8\u5b50\u3084\u73fe\u5730\u3067\u306e\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3001\u30bb\u30c3\u30b7\u30e7\u30f3\u306e\u69d8\u5b50\u3092\u304a\u4f1d\u3048\u3059\u308b\u3068\u5171\u306b\u3001\u6c17\u306b\u306a\u3063\u305f\u30c8\u30d4\u30c3\u30af\u3092\u3044\u304f\u3064\u304b\u53d6\u308a\u4e0a\u3052\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h2 id=\"RecSys-\u3068\u306f\">RecSys \u3068\u306f<\/h2>\n<p><a target=\"_blank\" href=\"https:\/\/recsys.acm.org\/\">RecSys\uff08ACM Recommender Systems Conference\uff09<\/a>\u306f\u3001\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u5206\u91ce\u306b\u304a\u3051\u308b\u6700\u3082\u6a29\u5a01\u306e\u3042\u308b\u56fd\u969b\u4f1a\u8b70\u306e1\u3064\u3067\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u5404\u56fd\u306e\u5927\u5b66\u7814\u7a76\u30c1\u30fc\u30e0\u3084Google\u3001Netflix\u3001Meta\u306a\u3069\u306e\u4e16\u754c\u6709\u6570\u306e\u4f01\u696d\u304c\u53c2\u52a0\u3057\u3001\u5e45\u5e83\u3044\u7814\u7a76\u6210\u679c\u3092\u767a\u8868\u3057\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u4f1a\u8b70\u306e\u7279\u5fb4\u3068\u3057\u3066\u306f\u3001\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u305d\u306e\u3082\u306e\u3092\u8ffd\u6c42\u3059\u308b\u3088\u3046\u306a\u57fa\u790e\u7684\u306a\u7814\u7a76\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u5b9f\u969b\u306e\u30b5\u30fc\u30d3\u30b9\u904b\u7528\u3084\u8a55\u4fa1\u65b9\u6cd5\u3001\u3055\u3089\u306b\u6cd5\u898f\u5247\u3084\u502b\u7406\u7684\u306a\u8ab2\u984c\u306b\u3064\u3044\u3066\u3082\u5e45\u5e83\u304f\u8b70\u8ad6\u3055\u308c\u308b\u3053\u3068\u3067\u3059\u3002\u7279\u306b\u3001\u4eca\u5e74\u306fEU\u306eDigital Services Act\u3084AI ACT\u304c\u6574\u5099\u3055\u308c\u305f\u3053\u3068\u3092\u80cc\u666f\u3068\u3057\u3066\u8aac\u660e\u8cac\u4efb\u3084\u900f\u660e\u6027\u306e\u62c5\u4fdd\u304c\u5927\u304d\u306a\u30c6\u30fc\u30de\u306e1\u3064\u3068\u306a\u3063\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"\u958b\u50ac\u5730\u306e\u30d7\u30e9\u30cf\u306b\u3064\u3044\u3066\">\u958b\u50ac\u5730\u306e\u30d7\u30e9\u30cf\u306b\u3064\u3044\u3066<\/h2>\n<p>\u30c1\u30a7\u30b3\u306e\u9996\u90fd\u30d7\u30e9\u30cf\u3067\u958b\u50ac\u3055\u308c\u307e\u3057\u305f\u3002\u8857\u306b\u306f\u77f3\u7573\u306e\u8def\u5730\u3084\u6b74\u53f2\u7684\u306a\u5efa\u7269\u304c\u6570\u591a\u304f\u898b\u3089\u308c\u3001\u65e7\u5e02\u8857\u5e83\u5834\u3084\u30ab\u30ec\u30eb\u6a4b\u3068\u3044\u3063\u305f\u89b3\u5149\u540d\u6240\u3082\u5f92\u6b69\u570f\u5185\u306b\u96c6\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u5b66\u4f1a\u4f1a\u5834\u306e<a target=\"_blank\" href=\"https:\/\/www.o2universum.cz\/en\/\">O2 universum<\/a>\u306f\u5e02\u5185\u4e2d\u5fc3\u90e8\u304b\u3089\u516c\u5171\u4ea4\u901a\u6a5f\u95a2\u3067\u30a2\u30af\u30bb\u30b9\u3057\u3084\u3059\u304f\u3001\u96a3\u63a5\u3059\u308b\u30b7\u30e7\u30c3\u30d4\u30f3\u30b0\u30e2\u30fc\u30eb\u306b\u306f\u30ec\u30b9\u30c8\u30e9\u30f3\u3084\u30ab\u30d5\u30a7\u304c\u4e26\u3093\u3067\u3044\u3066\u98df\u4e8b\u3084\u4f11\u61a9\u306b\u3082\u4fbf\u5229\u3067\u3057\u305f\u3002<\/p>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"O2 universum\u306e\u5916\u89b3\u3002\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250929\/20250929210316.jpg\" width=\"1200\" height=\"900\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>O2 universum\u306e\u5916\u89b3\u3002<\/figcaption><\/figure>\n<\/p>\n<p>\u65e5\u4e2d\u306f\u7814\u7a76\u767a\u8868\u306b\u6ca1\u982d\u3057\u3001\u5915\u65b9\u306b\u306f\u8857\u6b69\u304d\u3084\u30bd\u30fc\u30b7\u30e3\u30eb\u30c7\u30a3\u30ca\u30fc\u3067\u306e\u4ea4\u6d41\u3092\u697d\u3057\u3081\u308b\u306a\u3069\u3001\u4f5c\u696d\u3092\u5207\u308a\u66ff\u3048\u3084\u3059\u3044\u74b0\u5883\u3060\u3063\u305f\u306e\u304c\u5370\u8c61\u7684\u3067\u3057\u305f\u3002<\/p>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"RecSys 2025\u306e\u958b\u50ac\u5730\u3067\u3042\u308b\u30d7\u30e9\u30cf\u306e\u753a\u4e26\u307f\u3002\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250929\/20250929210311.jpg\" width=\"1200\" height=\"900\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>RecSys 2025\u306e\u958b\u50ac\u5730\u3067\u3042\u308b\u30d7\u30e9\u30cf\u306e\u753a\u4e26\u307f\u3002<\/figcaption><\/figure>\n<\/p>\n<h2 id=\"\u4f1a\u5834\u306e\u69d8\u5b50\">\u4f1a\u5834\u306e\u69d8\u5b50<\/h2>\n<p>\u521d\u65e5\u3068\u6700\u7d42\u65e5\u306b\u306f\u3001\u7279\u8272\u306e\u3042\u308b\u30c9\u30e1\u30a4\u30f3\u306e\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u304c\u958b\u50ac\u3055\u308c\u307e\u3057\u305f\u3002\u4f8b\u3048\u3070\u3001\u30e2\u30c7\u30eb\u306b\u5165\u529b\u3059\u308b\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3092\u6271\u3046<a target=\"_blank\" href=\"https:\/\/cars-workshops.com\/\">CARS<\/a>\u3001\u63a8\u85a6\u306e\u30a4\u30f3\u30bf\u30d5\u30a7\u30fc\u30b9\u3084\u8aac\u660e\u53ef\u80fd\u6027\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f <a target=\"_blank\" href=\"https:\/\/sites.google.com\/view\/intrs25\">IntRS<\/a>\u3001\u77ed\u671f\u7684\u306a\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u6700\u9069\u5316\u306b\u3068\u3069\u307e\u3089\u305a\u63a8\u85a6\u304c\u6301\u3064\u9577\u671f\u7684\u30fb\u793e\u4f1a\u7684\u5f71\u97ff\u3092\u8003\u5bdf\u3059\u308b<a target=\"_blank\" href=\"https:\/\/sites.google.com\/view\/consequences2025\/home\">CONSEQUENCES<\/a>\u306a\u3069\u3001\u5e45\u5e83\u3044\u30c6\u30fc\u30de\u304c\u53d6\u308a\u4e0a\u3052\u3089\u308c\u307e\u3057\u305f\u3002\u305d\u306e\u307b\u304b\u306b\u3082\u3001\u7279\u5b9a\u306e\u30c9\u30e1\u30a4\u30f3\u306b\u7279\u5316\u3057\u305f\u30ef\u30fc\u30af\u30b7\u30e7\u30c3\u30d7\u3082\u4eba\u6c17\u3092\u96c6\u3081\u3066\u3044\u307e\u3057\u305f\u3002\u97f3\u697d\u63a8\u85a6\u3092\u5bfe\u8c61\u3068\u3057\u305f<a target=\"_blank\" href=\"https:\/\/sites.google.com\/view\/murs-2025\">MuRS<\/a>\u3084\u3001\u65c5\u884c\u5206\u91ce\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f<a target=\"_blank\" href=\"https:\/\/workshops.ds-ifs.tuwien.ac.at\/rectour25\/\">RecTour<\/a>\u3001\u3055\u3089\u306b\u5b9f\u969b\u306eEC\u30b5\u30a4\u30c8\u3092\u984c\u6750\u306b\u5229\u76ca\u62e1\u5927\u3084\u30c9\u30e1\u30a4\u30f3\u56fa\u6709\u306e\u8ab2\u984c\u89e3\u6c7a\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3059\u308b<a target=\"_blank\" href=\"https:\/\/genai-ecommerce.github.io\/GenAIECommerce2025\">Gen AI for E-commerce<\/a>\u306a\u3069\u3001\u69d8\u3005\u306a\u95a2\u5fc3\u3092\u6301\u3064\u53c2\u52a0\u8005\u3092\u6e80\u8db3\u3055\u305b\u308b\u30c6\u30fc\u30de\u304c\u3042\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>\u672c\u4f1a\u8b70\u306e\u30bb\u30c3\u30b7\u30e7\u30f3\u306f\u3001\u6628\u5e74\u306e<a target=\"_blank\" href=\"https:\/\/techblog.zozo.com\/entry\/recsys24\">RecSys 2024<\/a>\u3067LLM\u3084Sequential Recommender\u304c\u76ee\u7acb\u3063\u3066\u3044\u305f\u306e\u306b\u5bfe\u3057\u3001\u4eca\u5e74\u306f\u3088\u308a\u30d0\u30e9\u30f3\u30b9\u3088\u304f\u591a\u69d8\u306a\u30c6\u30fc\u30de\u304c\u6271\u308f\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u5177\u4f53\u7684\u306b\u306f\u6b21\u306e\u3068\u304a\u308a\u3067\u3059\u3002<\/p>\n<p>\u30bb\u30c3\u30b7\u30e7\u30f3\u306b\u52a0\u3048\u3066\u3001\u4f1a\u5834\u306e\u5de5\u592b\u306b\u3088\u308b\u53c2\u52a0\u4f53\u9a13\u306e\u6e80\u8db3\u5ea6\u3082\u9ad8\u3044\u3068\u611f\u3058\u307e\u3057\u305f\u3002\u4f1a\u671f\u4e2d\u306b\u306f\u3001\u5348\u524d\u30fb\u5348\u5f8c\u306e\u8efd\u98df\u3084\u663c\u98df\u304c\u63d0\u4f9b\u3055\u308c\u305f\u306e\u3067\u3059\u304c\u3001\u5f62\u5f0f\u306f\u7acb\u98df\u30b9\u30bf\u30a4\u30eb\u3067\u53c2\u52a0\u8005\u540c\u58eb\u304c\u30c6\u30fc\u30d6\u30eb\u3092\u56f2\u3080\u3053\u3068\u3067\u4f1a\u8a71\u304c\u81ea\u7136\u306b\u751f\u307e\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u96d1\u8ac7\u304c\u7814\u7a76\u8b70\u8ad6\u3078\u3068\u767a\u5c55\u3059\u308b\u5834\u9762\u3082\u591a\u304f\u3001\u4f1a\u5834\u306f\u3068\u3066\u3082\u6d3b\u6c17\u306b\u3042\u3075\u308c\u3066\u3044\u307e\u3057\u305f\u3002\u307e\u305f\u3001\u5165\u5834\u767b\u9332\u3082\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u3048\u307e\u3057\u305f\u3002\u4f1a\u5834\u5165\u53e3\u306e\u30bb\u30eb\u30d5\u30c1\u30a7\u30c3\u30af\u30a4\u30f3\u7aef\u672b\u306b\u4e8b\u524d\u914d\u5e03\u306eQR\u30b3\u30fc\u30c9\u3092\u304b\u3056\u3059\u3060\u3051\u3067\u624b\u7d9a\u304d\u304c\u5b8c\u4e86\u3057\u3001\u9577\u3044\u5217\u306f\u307b\u3068\u3093\u3069\u3042\u308a\u307e\u305b\u3093\u3067\u3057\u305f\u3002\u767b\u9332\u81ea\u4f53\u30822\u301c3\u5206\u3067\u6e08\u307f\u3001\u5feb\u9069\u306b\u5165\u5834\u3067\u304d\u307e\u3057\u305f\u3002<\/p>\n<h2 id=\"\u8ad6\u6587\u306e\u7d39\u4ecb\">\u8ad6\u6587\u306e\u7d39\u4ecb<\/h2>\n<p>\u3053\u3053\u304b\u3089\u306f\u3001\u30ab\u30f3\u30d5\u30a1\u30ec\u30f3\u30b9\u3092\u901a\u3057\u3066\u7279\u306b\u6c17\u306b\u306a\u3063\u305f\u8ad6\u6587\u3092\u7c21\u5358\u306b\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n<h3 id=\"Orthogonal-Low-Rank-Embedding-Stabilization\"><a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748141\">Orthogonal Low Rank Embedding Stabilization<\/a><\/h3>\n<p><em>Kevin Zielnicki, Ko-Jen Hsiao<\/em><\/p>\n<p>\u3053\u306e\u8ad6\u6587\u306fNetflix\u306e\u7814\u7a76\u3067\u3001\u540c\u793e\u304c\u904b\u55b6\u3059\u308b\u52d5\u753b\u914d\u4fe1\u30b5\u30fc\u30d3\u30b9\u306b\u304a\u3051\u308b<strong>\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u306e\u57cb\u3081\u8fbc\u307f\u30d9\u30af\u30c8\u30eb\u3092\u9577\u671f\u9593\u306b\u308f\u305f\u3063\u3066\u5b89\u5b9a\u3057\u3066\u6d3b\u7528\u3059\u308b\u65b9\u6cd5<\/strong>\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001\u63a8\u85a6\u30e2\u30c7\u30eb\u3092\u5b9a\u671f\u7684\u306b\u518d\u5b66\u7fd2\u3059\u308b\u3068\u57cb\u3081\u8fbc\u307f\u7a7a\u9593\u306e\u5ea7\u6a19\u7cfb\u304c\u5909\u5316\u3057\u3001<strong>\u7570\u306a\u308b\u5b66\u7fd2\u56de\u3067\u5f97\u3089\u308c\u305f\u57cb\u3081\u8fbc\u307f\u540c\u58eb\u306e\u4e92\u63db\u6027\u304c\u5931\u308f\u308c\u308b\u3068\u3044\u3046\u8ab2\u984c<\/strong>\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059\uff08\u4f8b\u3048\u3070\u3001\u57cb\u3081\u8fbc\u307f\u3092\u7279\u5fb4\u91cf\u3068\u3057\u3066\u4ed6\u306e\u30e2\u30c7\u30eb\u306b\u6e21\u3057\u305f\u308a\u3001\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u306e\u305f\u3081\u306b\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306b\u4fdd\u5b58\u3057\u3066\u6d3b\u7528\u3057\u305f\u308a\u3059\u308b\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u969b\u3001\u5225\u306e\u5b66\u7fd2\u56de\u3067\u5f97\u3089\u308c\u305f\u57cb\u3081\u8fbc\u307f\u3092\u6df7\u5728\u3055\u305b\u308b\u3068\u6574\u5408\u6027\u304c\u5d29\u308c\u3001\u63a8\u85a6\u7d50\u679c\u304c\u4e0d\u5b89\u5b9a\u306b\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\uff09\u3002<\/p>\n<p>\u8457\u8005\u3089\u306f\u3053\u306e\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u3001<strong>\u30e2\u30c7\u30eb\u672c\u4f53\u306b\u306f\u4e00\u5207\u624b\u3092\u52a0\u3048\u305a\u3001\u5f8c\u51e6\u7406\u306e\u307f\u3067\u57cb\u3081\u8fbc\u307f\u306e\u5ea7\u6a19\u7cfb\u3092\u63c3\u3048\u308b\u624b\u6cd5\u3092\u63d0\u6848<\/strong>\u3057\u307e\u3057\u305f\u3002\u63d0\u6848\u624b\u6cd5\u306e\u6d41\u308c\u306f\u6b21\u306e\u901a\u308a\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>Low Rank SVD<\/strong>\uff1a\u57cb\u3081\u8fbc\u307f\u3092\u4e3b\u6210\u5206\u306b\u57fa\u3065\u304f\u4e00\u610f\u6027\u306e\u9ad8\u3044\u7a7a\u9593\u306b\u79fb\u3057\u66ff\u3048\u308b<\/li>\n<li><strong>Orthogonal Procrustes\uff08\u76f4\u884c\u5909\u63db\uff09<\/strong>\uff1a\u65b0\u898f\u306e\u5b66\u7fd2\u3067\u5f97\u3089\u308c\u305f\u57cb\u3081\u8fbc\u307f\u3092\u3001\u57fa\u6e96\u3068\u306a\u308b\u7a7a\u9593\u306b\u63c3\u3048\u308b<\/li>\n<\/ol>\n<p>\u3053\u306e\u65b9\u6cd5\u306b\u3088\u308a\u3001\u57cb\u3081\u8fbc\u307f\u30d9\u30af\u30c8\u30eb\u3092\u7528\u3044\u305f\u63a8\u85a6\u306e\u7cbe\u5ea6\u3092\u640d\u306a\u3046\u3053\u3068\u306a\u304f\u300c\u6b21\u5143\u3054\u3068\u306e\u610f\u5473\u300d\u3092\u56fa\u5b9a\u3067\u304d\u3001\u904b\u7528\u30b3\u30b9\u30c8\u3082\u5c0f\u3055\u304f\u6291\u3048\u3089\u308c\u308b\u3068\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u8a55\u4fa1\u306f<strong>\u7570\u306a\u308b\u5b66\u7fd2\u56de\u306e\u57cb\u3081\u8fbc\u307f\u3092\u6bd4\u8f03\u3059\u308b\u5b9f\u9a13<\/strong>\u3067\u884c\u308f\u308c\u307e\u3057\u305f\u3002Netflix\u306eTransformer\u30d9\u30fc\u30b9\u306e\u63a8\u85a6\u30e2\u30c7\u30eb\u3092\u7528\u3044\u3001\u57fa\u6e96\u3068\u306a\u308b\u6642\u70b9\u30682\u9031\u9593\u5f8c\u30fb4\u9031\u9593\u5f8c\u306e\u57cb\u3081\u8fbc\u307f\u3092\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u518d\u5b66\u7fd2\u3092\u631f\u3080\u3068\u5f93\u6765\u306e\u65b9\u6cd5\u3067\u306f\u30b3\u30b5\u30a4\u30f3\u985e\u4f3c\u5ea6\u304c\u307b\u307c\u30bc\u30ed\u3067\u3057\u305f\u304c\u3001<strong>\u4eca\u56de\u306e\u624b\u6cd5\u3092\u4f7f\u3046\u30680.75\u301c0.82\u306b\u56de\u5fa9\u3057\u3001Rank-Biased Overlap\uff08RBO\uff09\u30820.5\u4ee5\u4e0a\u306b\u6539\u5584<\/strong>\u3057\u307e\u3057\u305f\u3002RBO\u306f\u300c2\u3064\u306e\u30e9\u30f3\u30ad\u30f3\u30b0\u304c\u3069\u306e\u304f\u3089\u3044\u91cd\u306a\u3063\u3066\u3044\u308b\u304b\u300d\u3092\u6e2c\u308b\u6307\u6a19\u3067\u3001\u3068\u304f\u306b\u4e0a\u4f4d\u306e\u7d50\u679c\u306b\u91cd\u307f\u3092\u7f6e\u3044\u3066\u6bd4\u8f03\u3057\u307e\u3059\u3002\u8457\u8005\u3089\u306f\u3053\u306e\u7d50\u679c\u306b\u3064\u3044\u3066\u300c\u5b89\u5b9a\u5316\u3092\u884c\u3046\u3053\u3068\u3067\u3001\u30e6\u30fc\u30b6\u3084\u30b3\u30f3\u30c6\u30f3\u30c4\u8868\u73fe\u304c\u671f\u9593\u3092\u8d85\u3048\u3066\u4e00\u8cab\u6027\u3092\u6301\u3064\u3088\u3046\u306b\u306a\u308a\u3001\u518d\u5b66\u7fd2\u524d\u3068\u5f8c\u306b\u304a\u3051\u308b\u30e9\u30f3\u30ad\u30f3\u30b0\u306e\u76f8\u95a2\u3082\u512a\u4f4d\u306b\u9ad8\u307e\u3063\u305f\u300d\u3068\u8ff0\u3079\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4 id=\"\u611f\u60f3\u8003\u5bdf\">\u611f\u60f3\u30fb\u8003\u5bdf<\/h4>\n<p>\u4eca\u56de\u306eNetflix\u306e\u7814\u7a76\u306f\u3001\u73fe\u5834\u304c\u62b1\u3048\u3066\u3044\u305f\u8ab2\u984c\u3092\u30b7\u30f3\u30d7\u30eb\u306b\u89e3\u6c7a\u3057\u3066\u3044\u308b\u70b9\u304c\u5370\u8c61\u7684\u3067\u3057\u305f\u3002\u5b66\u7fd2\u30d7\u30ed\u30bb\u30b9\u306b\u306f\u4e00\u5207\u624b\u3092\u52a0\u3048\u305a\u3001<strong>\u5f8c\u51e6\u7406\u3068\u3057\u3066\u5404\u57cb\u3081\u8fbc\u307f\u30d9\u30af\u30c8\u30eb\u306bd\u00d7d\u306e\u76f4\u4ea4\u884c\u5217\u30921\u56de\u639b\u3051\u308b\u3060\u3051<\/strong>\u3067\u57cb\u3081\u8fbc\u307f\u7a7a\u9593\u3092\u5b89\u5b9a\u5316\u3067\u304d\u308b\u306e\u304c\u6700\u5927\u306e\u7279\u5fb4\u3067\u3059\u3002\u3053\u306e\u8a08\u7b97\u306f\u5b9f\u52d9\u7684\u306b\u5341\u5206\u8efd\u91cf\u3068\u8003\u3048\u3089\u308c\u308b\u305f\u3081\u65e2\u5b58\u30b7\u30b9\u30c6\u30e0\u306b\u3082\u5bb9\u6613\u306b\u7d44\u307f\u8fbc\u3081\u3001\u5c0e\u5165\u30b3\u30b9\u30c8\u306b\u5bfe\u3057\u3066\u52b9\u679c\u304c\u5927\u304d\u3044\u3068\u611f\u3058\u307e\u3057\u305f\u3002<\/p>\n<p>\u3082\u3061\u308d\u3093\u3001\u57fa\u6e96\u3068\u306a\u308b\u5ea7\u6a19\u7cfb\u306e\u5b9a\u3081\u65b9\u3084\u9577\u671f\u904b\u7528\u3067\u306e\u6319\u52d5\u306b\u306f\u691c\u8a0e\u306e\u4f59\u5730\u304c\u3042\u308a\u307e\u3059\u304c\u3001\u305d\u308c\u3067\u3082\u300c\u4eca\u3059\u3050\u73fe\u5834\u3067\u4f7f\u3048\u308b\u5b9f\u88c5\u53ef\u80fd\u306a\u89e3\u6c7a\u7b56\u300d\u3092\u63d0\u793a\u3057\u3066\u3044\u308b\u70b9\u306f\u4eca\u5f8c\u306e\u5b9f\u52d9\u3067\u3082\u5927\u3044\u306b\u53c2\u8003\u306b\u3067\u304d\u308b\u8ad6\u6587\u3060\u3068\u601d\u3044\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"Suggest-Complement-Inspire-Story-of-Two-Tower-Recommendations-at-Allegrocom\"><a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748135\">Suggest, Complement, Inspire: Story of Two-Tower Recommendations at Allegro.com<\/a><\/h3>\n<p><em>Aleksandra Maria Osowska-Kurczab, Klaudia Nazarko, Mateusz Marzec, Lidia Wojciechowska, Eli\u0161ka Kreme\u0148ov\u00e1<\/em><\/p>\n<p>\u30dd\u30fc\u30e9\u30f3\u30c9\u767a\u306e\u5927\u624bEC\u30b5\u30a4\u30c8<a target=\"_blank\" href=\"https:\/\/allegro.pl\/\">Allegro<\/a>\u304c\u767a\u8868\u3057\u305f\u672c\u8ad6\u6587\u3067\u306f\u3001<strong>\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u3067\u5e83\u304f\u7528\u3044\u3089\u308c\u3066\u3044\u308bTwo-Tower\u30e2\u30c7\u30eb\u3092\u57fa\u76e4\u3068\u3057\u3001\u7c21\u5358\u306a\u62e1\u5f35\u306b\u3088\u308a1\u3064\u306e\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u30673\u7a2e\u985e\u306e\u63a8\u85a6\u30bf\u30b9\u30af\u3092\u5b9f\u73fe<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002\u624b\u6cd5\u540d\u3068\u5bfe\u5fdc\u3059\u308b\u30bf\u30b9\u30af\u306f\u4ee5\u4e0b\u3067\u3059\u3002<\/p>\n<ol>\n<li><strong>Similarity-TT<\/strong>\uff1a \u985e\u4f3c\u5546\u54c1\u306e\u691c\u7d22<\/li>\n<li><strong>Complementary-TT<\/strong>\uff1a\u88dc\u5b8c\u5546\u54c1\u306e\u63a8\u85a6<\/li>\n<li><strong>Inspirational-TT<\/strong>\uff1a\u30a4\u30f3\u30b9\u30d4\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u4fc3\u3059\u5546\u54c1\u306e\u63a8\u85a6<\/li>\n<\/ol>\n<p>\u4f8b\u3048\u3070\u300c\u81ea\u8ee2\u8eca\u300d\u3092\u30af\u30a8\u30ea\u3068\u3057\u305f\u5834\u5408\u3001<strong>Similarity-TT<\/strong>\u3067\u306f\u8272\u9055\u3044\u3084\u5225\u30e2\u30c7\u30eb\u306e\u81ea\u8ee2\u8eca\u3001<strong>Complementary-TT<\/strong>\u3067\u306f\u30d8\u30eb\u30e1\u30c3\u30c8\u3084\u819d\u3042\u3066\u3068\u3044\u3063\u305f\u95a2\u9023\u30a2\u30a4\u30c6\u30e0\u3001<strong>Inspirational-TT<\/strong>\u3067\u306f\u30d9\u30eb\u3084\u30e9\u30a4\u30c8\u306a\u3069\u65b0\u3057\u3044\u767a\u898b\u3092\u4fc3\u3059\u30a2\u30a4\u30c6\u30e0\u304c\u63a8\u85a6\u3055\u308c\u307e\u3059\u3002<\/p>\n<p>\u57fa\u76e4\u3068\u306a\u308bTwo-Tower\u30e2\u30c7\u30eb\u306f\u3001\u5546\u54c1\u30ab\u30bf\u30ed\u30b0\u5185\u306e\u30af\u30a8\u30ea\u5546\u54c1\u3092\u6271\u3046\u30af\u30a8\u30ea\u30bf\u30ef\u30fc\u3068\u3001\u30bf\u30fc\u30b2\u30c3\u30c8\u5546\u54c1\u306e\u57cb\u3081\u8fbc\u307f\u30d9\u30af\u30c8\u30eb\u3092\u6271\u3046\u30bf\u30fc\u30b2\u30c3\u30c8\u30bf\u30ef\u30fc\u304b\u3089\u69cb\u6210\u3055\u308c\u3001\u985e\u4f3c\u3057\u305f\u5546\u54c1\u306e\u8868\u73fe\u304c\u8fd1\u3065\u304f\u3088\u3046\u306b\u5b66\u7fd2\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u306e\u30e2\u30c7\u30eb\u3092\u7528\u3044\u3066\u3001\u4ee5\u4e0b\u306e\u624b\u6cd5\u3092\u884c\u3046\u3053\u3068\u3067\u30bf\u30b9\u30af\u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li><strong>Similarity-TT<\/strong>\uff1a\u30af\u30a8\u30ea\u30bf\u30ef\u30fc\u306b\u691c\u7d22\u5bfe\u8c61\u306e\u30a2\u30a4\u30c6\u30e0\u3092\u5165\u529b\u3057\u3066\u57cb\u3081\u8fbc\u307f\u30d9\u30af\u30c8\u30eb\u3092\u7372\u5f97\u3057\u3001\u305d\u308c\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u30bf\u30ef\u30fc\u306e\u5404\u30a2\u30a4\u30c6\u30e0\u306e\u30d9\u30af\u30c8\u30eb\u3068\u6bd4\u8f03\u3059\u308b\u3053\u3068\u3067\u3001\u4ee3\u66ff\u5546\u54c1\u3092\u63a8\u85a6\u3059\u308b\u3002<\/li>\n<li><strong>Complementary-TT<\/strong>\uff1a\u30af\u30a8\u30ea\u30bf\u30ef\u30fc\u306e\u51fa\u529b\u306b\u300c\u3069\u306e\u30ab\u30c6\u30b4\u30ea\u3068\u4e00\u7dd2\u306b\u8cfc\u5165\u3055\u308c\u3084\u3059\u3044\u304b\u300d\u3068\u3044\u3046\u88dc\u5b8c\u30ab\u30c6\u30b4\u30ea\u60c5\u5831\u3092\u7d44\u307f\u8fbc\u307f\u3001\u3055\u3089\u306bFC\u5c64\u3092\u8ffd\u52a0\u3059\u308b\u3053\u3068\u3067\u88dc\u5b8c\u306e\u65b9\u5411\u6027\u3092\u5b66\u7fd2\u3055\u305b\u3001\u88dc\u5b8c\u95a2\u4fc2\u306b\u3042\u308b\u30a2\u30a4\u30c6\u30e0\u3092\u63a8\u85a6\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3002<\/li>\n<li><strong>Inspirational-TT<\/strong>\uff1a\u4e8b\u524d\u6e96\u5099\u3068\u3057\u3066\u3001\u5546\u54c1\u57cb\u3081\u8fbc\u307f\u3092\u4e8b\u524d\u306bk-means\u3067\u30af\u30e9\u30b9\u30bf\u30ea\u30f3\u30b0\u3092\u884c\u3046\u3002\u305d\u3057\u3066\u3001\u63a8\u8ad6\u6642\u306b\u306f\u6700\u3082\u8fd1\u3044\u30af\u30e9\u30b9\u30bf\u3067\u306f\u306a\u304f\u3001\u5c11\u3057\u96e2\u308c\u305f\u30af\u30e9\u30b9\u30bf\u304b\u3089\u5019\u88dc\u3092\u53d6\u5f97\u3059\u308b\u3002\u305d\u3046\u3059\u308b\u3053\u3068\u3067\u3001\u5358\u306a\u308b\u985e\u4f3c\u54c1\u306b\u3068\u3069\u307e\u3089\u305a\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u65b0\u3057\u3044\u767a\u898b\u3092\u4fc3\u3059\u591a\u69d8\u306a\u30a2\u30a4\u30c6\u30e0\u3092\u63d0\u793a\u3067\u304d\u308b\u3002<\/li>\n<\/ol>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"Aleksandra Maria Osowska-Kurczab\u6c0f\u3089\u306b\u3088\u308bSuggest, Complement, Inspire: Story of Two-Tower Recommendations at Allegro.com\u306eFigure 2\u3088\u308a\u5f15\u7528\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250930\/20250930113503.png\" width=\"1200\" height=\"413\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>Aleksandra Maria Osowska-Kurczab\u6c0f\u3089\u306b\u3088\u308b<a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748135\">Suggest, Complement, Inspire: Story of Two-Tower Recommendations at Allegro.com<\/a>\u306eFigure 2\u3088\u308a\u5f15\u7528<\/figcaption><\/figure>\n<\/p>\n<p>\u5b9f\u9a13\u3067\u306f\u30aa\u30f3\u30e9\u30a4\u30f3A\/B\u30c6\u30b9\u30c8\u3092\u5b9f\u65bd\u3057\u3001<strong>Similarity-TT<\/strong>\u3084<strong>Complementary-TT<\/strong>\u3092\u5f93\u6765\u306e\u5354\u8abf\u30d5\u30a3\u30eb\u30bf\u30ea\u30f3\u30b0\u3068\u6bd4\u8f03\u3057\u305f\u7d50\u679c\u3001CTR\u3084GMV\u306e\u5411\u4e0a\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002\u3055\u3089\u306b<strong>Inspirational-TT<\/strong>\u3067\u306f\u3001\u65e2\u5b58\u306e\u5546\u54c1\u30da\u30fc\u30b8\u3068\u306e\u6bd4\u8f03\u3067\u3001CTA\u3084CVR\u306e\u6539\u5584\u306b\u52a0\u3048\u3001\u96e2\u8131\u7387\u306e\u4f4e\u4e0b\u3082\u78ba\u8a8d\u3055\u308c\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n<h4 id=\"\u611f\u60f3\u8003\u5bdf-1\">\u611f\u60f3\u30fb\u8003\u5bdf<\/h4>\n<p>\u4eca\u56de\u306e\u5b66\u4f1a\u3067\u306f\u3001\u3053\u306e\u8ad6\u6587\u3068\u540c\u69d8\u306b\u3001\u30bf\u30b9\u30af\u3054\u3068\u306b\u500b\u5225\u306e\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u3092\u69cb\u7bc9\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001<strong>\u4e00\u3064\u306e\u6c4e\u7528\u7684\u306a\u30e2\u30c7\u30eb\u3092\u57fa\u76e4\u3068\u3057\u3066\u8907\u6570\u306e\u30bf\u30b9\u30af\u306b\u5fdc\u7528\u3059\u308b\u3068\u3044\u3046\u30a2\u30d7\u30ed\u30fc\u30c1<\/strong>\u304c\u3044\u304f\u3064\u304b\u3042\u308a\u307e\u3057\u305f\u3002\u305d\u306e\u80cc\u666f\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u6e80\u8db3\u5ea6\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u306f\u3001\u30b5\u30a4\u30c8\u4e0a\u3067\u95a2\u9023\u5546\u54c1\u3092\u306f\u3058\u3081\u3001\u985e\u4f3c\u5546\u54c1\u3001\u88dc\u5b8c\u5546\u54c1\u3001\u30a4\u30f3\u30b9\u30d4\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u4fc3\u3059\u5546\u54c1\u3068\u3044\u3063\u305f\u591a\u69d8\u306a\u5207\u308a\u53e3\u3067\u5546\u54c1\u3092\u63d0\u793a\u3059\u308b\u5fc5\u8981\u304c\u6c42\u3081\u3089\u308c\u3066\u3044\u308b\u304b\u3089\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u305d\u308c\u3092\u30b7\u30b9\u30c6\u30e0\u3068\u3057\u3066\u52b9\u7387\u7684\u306b\u5b9f\u88c5\u30fb\u7dad\u6301\u3057\u3066\u3044\u304f\u305f\u3081\u306b\u306f\u3001<strong>\u500b\u5225\u6700\u9069\u5316\u3055\u308c\u305f\u591a\u6570\u306e\u30e2\u30c7\u30eb\u3092\u4e26\u884c\u3057\u3066\u904b\u7528\u3059\u308b\u306e\u3067\u306f\u306a\u304f\u3001\u5171\u901a\u306e\u57fa\u76e4\u30e2\u30c7\u30eb\u304b\u3089\u69d8\u3005\u306a\u300c\u898b\u305b\u65b9\u300d\u3092\u751f\u6210\u3067\u304d\u308b\u8a2d\u8a08\u304c\u671b\u307e\u3057\u3044\u3068\u3044\u3046\u5f37\u3044\u6d41\u308c<\/strong>\u3092\u611f\u3058\u3089\u308c\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"Recommendation-and-Temptation\"><a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748063\">Recommendation and Temptation<\/a><\/h3>\n<p><em>Md Sanzeed Anwar, Paramveer S. Dhillon, Grant Schoenebeck<\/em><\/p>\n<p>\u3053\u306e\u8ad6\u6587\u3067\u306f\u3001<strong>\u5f93\u6765\u306e\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u304c\u91cd\u8996\u3057\u3066\u304d\u305f\u300c\u30e6\u30fc\u30b6\u30fc\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u306e\u6700\u5927\u5316\u300d\u3068\u306f\u7570\u306a\u308b\u8a2d\u8a08\u65b9\u91dd\u3092\u63d0\u6848<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002\u8457\u8005\u3089\u306f\u3001\u77ed\u671f\u7684\u306a\u884c\u52d5\u3092\u4fc3\u3059\u306e\u3067\u306f\u306a\u304f\u3001\u30e6\u30fc\u30b6\u30fc\u306b\u3068\u3063\u3066\u9577\u671f\u7684\u306b\u4fa1\u5024\u306e\u3042\u308b\u9078\u629e\u3092\u5897\u3084\u3059\u63a8\u85a6\u304c\u671b\u307e\u3057\u3044\u3068\u4e3b\u5f35\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u5f93\u6765\u306e\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u304c\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u6700\u5927\u5316\u3092\u63a1\u7528\u3057\u3066\u304d\u305f\u80cc\u666f\u306b\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u5e38\u306b\u81ea\u5206\u306b\u3068\u3063\u3066\u6700\u3082\u4fa1\u5024\u306e\u3042\u308b\u30a2\u30a4\u30c6\u30e0\u3092\u9078\u3076\u3068\u3044\u3046\u524d\u63d0\u304c\u3042\u308a\u307e\u3057\u305f\u3002\u3057\u304b\u3057\u73fe\u5b9f\u306b\u306f\u3001\u8a66\u9a13\u524d\u306b\u5b66\u7fd2\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u306f\u306a\u304f\u77ed\u3044\u5a2f\u697d\u52d5\u753b\u3092\u898b\u3066\u3057\u307e\u3063\u305f\u308a\u3001\u9577\u7de8\u6620\u753b\u3092\u89b3\u305f\u3044\u3068\u601d\u3044\u3064\u3064SNS\u3092\u5ef6\u3005\u3068\u30b9\u30af\u30ed\u30fc\u30eb\u3057\u3066\u3057\u307e\u3063\u305f\u308a\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u884c\u52d5\u304c\u591a\u304f\u898b\u3089\u308c\u307e\u3059\u3002<\/p>\n<p>\u8457\u8005\u3089\u306f\u3053\u306e\u73fe\u8c61\u306e\u539f\u56e0\u3092\u3001<strong>\u4eba\u9593\u306e\u610f\u601d\u6c7a\u5b9a\u304c\u300c\u5c06\u6765\u306e\u81ea\u5206\u306e\u5229\u76ca\u306b\u306a\u308b\u672c\u8cea\u7684\u306a\u4fa1\u5024\uff08Enrichment: \u4fa1\u5024\uff09\u300d\u3068\u300c\u305d\u306e\u5834\u3067\u3064\u3044\u60f9\u304b\u308c\u3066\u3057\u307e\u3046\u5373\u6642\u7684\u306a\u9b45\u529b\uff08Temptation: \u8a98\u60d1\uff09\u300d\u306e\u305b\u3081\u304e\u5408\u3044\u306b\u3088\u3063\u3066\u6c7a\u307e\u308b<\/strong>\u305f\u3081\u3060\u3068\u8003\u3048\u3066\u304a\u308a\u307e\u3059\u3002\u5f93\u6765\u306e\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u306f\u30a8\u30f3\u30b2\u30fc\u30b8\u30e1\u30f3\u30c8\u3092\u6700\u512a\u5148\u3059\u308b\u305f\u3081\u3001\u300c\u8a98\u60d1\u306e\u5f37\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u300d\u3092\u512a\u5148\u7684\u306b\u63a8\u85a6\u3059\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u306e\u7d50\u679c\u3001\u30e6\u30fc\u30b6\u30fc\u306f\u300c\u3064\u3044\u898b\u3066\u3057\u307e\u3063\u305f\u3051\u308c\u3069\u5f8c\u304b\u3089\u5f8c\u6094\u3059\u308b\u300d\u3088\u3046\u306a\u4f53\u9a13\u3092\u7e70\u308a\u8fd4\u3057\u3001\u9577\u671f\u7684\u306a\u6e80\u8db3\u5ea6\u3092\u640d\u3046\u6050\u308c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u672c\u8ad6\u6587\u304c\u63d0\u5531\u3059\u308b\u306e\u306f\u3001\u3053\u3046\u3057\u305f\u5f93\u6765\u306e\u8a2d\u8a08\u3067\u306f\u306a\u304f\u3001<strong>\u30e6\u30fc\u30b6\u30fc\u304c\u5b9f\u969b\u306b\u6d88\u8cbb\u3057\u3066\u5f97\u3089\u308c\u308b\u4fa1\u5024\u3092\u6700\u5927\u5316\u3059\u308b\u63a8\u85a6<\/strong>\u3067\u3059\u3002\u8457\u8005\u3089\u306f\u3001\u4fa1\u5024\u3068\u8a98\u60d1\u3092\u7d44\u307f\u8fbc\u3093\u3060\u884c\u52d5\u30e2\u30c7\u30eb\u3092\u5c0e\u5165\u3057\u3001\u6d88\u8cbb\u3055\u308c\u305f\u4fa1\u5024\u306e\u6700\u5927\u5316\u3092\u76ee\u7684\u95a2\u6570\u3068\u3057\u3066\u5b9a\u5f0f\u5316\u3059\u308b\u3068\u3068\u3082\u306b\u3001\u5c40\u6240\u7684\u306b\u8caa\u6b32\u306a\u6226\u7565\u304c\u6700\u9069\u3067\u3042\u308b\u3053\u3068\u3092\u7406\u8ad6\u7684\u306b\u793a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u3055\u3089\u306b\u91cd\u8981\u306a\u306e\u306f\u3001<strong>\u3053\u306e\u8a2d\u8a08\u65b9\u91dd\u304c\u30e6\u30fc\u30b6\u30fc\u3060\u3051\u3067\u306a\u304f\u30b3\u30f3\u30c6\u30f3\u30c4\u63d0\u4f9b\u8005\u5074\u306b\u3082\u4f5c\u7528\u3059\u308b\u70b9<\/strong>\u3067\u3059\u3002\u63a8\u85a6\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u304c\u9ad8\u3044\u5145\u5b9f\u5ea6\u3092\u6301\u3064\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u512a\u9047\u3059\u308c\u3070\u3001\u52d5\u753b\u306a\u3069\u306e\u30b3\u30f3\u30c6\u30f3\u30c4\u5236\u4f5c\u8005\u306f\u81ea\u7136\u3068\u77ed\u671f\u7684\u306a\u8a98\u60d1\u306b\u4f9d\u5b58\u3057\u306a\u3044\u8cea\u306e\u9ad8\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u3092\u4f5c\u308d\u3046\u3068\u3059\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u5168\u4f53\u304c\u9577\u671f\u7684\u306b\u5065\u5168\u306a\u65b9\u5411\u3078\u9032\u3080\u3053\u3068\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n<h4 id=\"\u611f\u60f3\u8003\u5bdf-2\">\u611f\u60f3\u30fb\u8003\u5bdf<\/h4>\n<p>\u81ea\u5206\u81ea\u8eab\u306e\u4f53\u9a13\u3068\u3057\u3066\u3082\u3001\u523a\u6fc0\u306e\u5f37\u3044\u30b3\u30f3\u30c6\u30f3\u30c4\u306b\u306f\u5f37\u304f\u60f9\u304b\u308c\u308b\u4e00\u65b9\u3067\u3001\u305d\u308c\u3070\u304b\u308a\u304c\u591a\u3044\u3068\u7d50\u5c40\u306f\u4e0d\u6e80\u306b\u3064\u306a\u304c\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u9006\u306b\u3001\u5c06\u6765\u7684\u306b\u81ea\u5206\u306b\u3068\u3063\u3066\u4fa1\u5024\u306e\u3042\u308b\u30b3\u30f3\u30c6\u30f3\u30c4\u3067\u3042\u3063\u3066\u3082\u3001\u305d\u308c\u304c\u591a\u3059\u304e\u308b\u3068\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u81ea\u4f53\u306b\u89e6\u308c\u306a\u304f\u306a\u3063\u3066\u3057\u307e\u3046\u3001\u3068\u3044\u3046\u30b8\u30ec\u30f3\u30de\u3082\u611f\u3058\u3066\u3044\u307e\u3057\u305f\u3002\u672c\u8ad6\u6587\u306f\u3001\u305d\u3046\u3057\u305f\u611f\u899a\u3092\u3046\u307e\u304f\u8a00\u8a9e\u5316\u3057\u3001\u3055\u3089\u306b\u6570\u7406\u7684\u306b\u5b9a\u5f0f\u5316\u3057\u3066\u304a\u308a\u5927\u5909\u5b66\u3073\u304c\u591a\u304b\u3063\u305f\u3067\u3059\u3002<\/p>\n<p>\u672c\u7814\u7a76\u306f\u3001<strong>\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u306e\u8a2d\u8a08\u601d\u60f3\u306b\u304a\u3051\u308b\u30d1\u30e9\u30c0\u30a4\u30e0\u30b7\u30d5\u30c8\u3092\u63d0\u793a\u3057\u3066\u304a\u308a\u3001\u5b66\u8853\u7684\u306a\u89b3\u70b9\u304b\u3089\u3082\u3001\u5b9f\u969b\u306e\u30b7\u30b9\u30c6\u30e0\u8a2d\u8a08\u3068\u3044\u3046\u5fdc\u7528\u306e\u89b3\u70b9\u304b\u3089\u3082\u5927\u304d\u306a\u610f\u7fa9\u3092\u6301\u3064\u5185\u5bb9<\/strong>\u3060\u3068\u611f\u3058\u307e\u3057\u305f\u3002\u305f\u3060\u3057\u3001\u30b5\u30fc\u30d3\u30b9\u904b\u55b6\u306e\u89b3\u70b9\u304b\u3089\u306f\u300c\u9577\u671f\u7684\u306a\u30e6\u30fc\u30b6\u30fc\u6e80\u8db3\u5ea6\u300d\u3092\u3069\u306e\u3088\u3046\u306aKPI\u3067\u5b9a\u91cf\u5316\u3059\u3079\u304d\u304b\u306f\u307e\u3060\u660e\u78ba\u3067\u306a\u3044\u305f\u3081\u3001\u4eca\u5f8c\u3082\u8ffd\u3046\u3079\u304d\u8ab2\u984c\u3060\u3068\u611f\u3058\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"Time-to-Split-Exploring-Data-Splitting-Strategies-for-Offline-Evaluation-of-Sequential-Recommenders\"><a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748164\">Time to Split: Exploring Data Splitting Strategies for Offline Evaluation of Sequential Recommenders<\/a><\/h3>\n<p><em>Danil Gusak, Anna Volodkevich, Anton Klenitskiy, Alexey Vasilev, Evgeny Frolov<\/em><\/p>\n<p>\u3053\u306e\u8ad6\u6587\u306f\u3001\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u63a8\u85a6\u306e\u30aa\u30d5\u30e9\u30a4\u30f3\u8a55\u4fa1\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u5206\u5272\u65b9\u6cd5\u3092\u6574\u7406\u3057\u305f\u3082\u306e\u3067\u3059\u3002<\/p>\n<p>\u5f93\u6765\u5e83\u304f\u4f7f\u308f\u308c\u3066\u304d\u305f<strong>Leave-one-out\uff08LOO\uff09<\/strong>\u306f\u3001\u5404\u30e6\u30fc\u30b6\u306e\u6700\u5f8c\u306e\u884c\u52d5\u3092\u30c6\u30b9\u30c8\u3068\u3059\u308b\u65b9\u5f0f\u3067\u3059\u3002\u3057\u304b\u3057\u3053\u306e\u65b9\u6cd5\u3060\u3068\u3001\u4f8b\u3048\u3070\u300c\u30e6\u30fc\u30b6\u30fcA\u306e2020\u5e74\u306e\u884c\u52d5\u300d\u3092\u4e88\u6e2c\u3059\u308b\u3068\u304d\u306b\u300c\u30e6\u30fc\u30b6\u30fcB\u306e2021\u5e74\u306e\u884c\u52d5\u300d\u304c\u5b66\u7fd2\u30c7\u30fc\u30bf\u306b\u542b\u307e\u308c\u3066\u3057\u307e\u3046\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002\u3064\u307e\u308a<strong>\u672a\u6765\u306e\u60c5\u5831\u304c\u6df7\u3056\u308a\u8fbc\u3080\u30ea\u30fc\u30af<\/strong>\u304c\u8d77\u304d\u3001\u6027\u80fd\u3092\u5b9f\u969b\u4ee5\u4e0a\u306b\u8a55\u4fa1\u3057\u3066\u3057\u307e\u3046\u5371\u967a\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u305d\u3053\u3067\u8457\u8005\u3089\u306f\u3001\u672a\u6765\u60c5\u5831\u306e\u6df7\u5165\u3092\u9632\u3050 <strong>Global Temporal Split\uff08GTS\uff09<\/strong> \u3092\u691c\u8a3c\u3057\u307e\u3057\u305f\u3002\u3053\u308c\u306f\u3042\u308b\u6642\u70b9\u3067\u5168\u4f53\u3092\u904e\u53bb\u3068\u672a\u6765\u306b\u5206\u3051\u3001\u904e\u53bb\u3092\u5b66\u7fd2\u306b\u3001\u672a\u6765\u3092\u30c6\u30b9\u30c8\u306b\u4f7f\u3046\u65b9\u6cd5\u3067\u3059\u3002\u305f\u3060\u3057\u300c\u672a\u6765\u5074\u306e\u3069\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u4e88\u6e2c\u5bfe\u8c61\u306b\u3059\u308b\u304b\u300d\u3067\u8a55\u4fa1\u306e\u7279\u6027\u304c\u5927\u304d\u304f\u5909\u308f\u308a\u307e\u3059\u3002\u8ad6\u6587\u3067\u306f\u4ee5\u4e0b\u306e5\u7a2e\u985e\u3092\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>Last<\/strong>\uff1a\u30c6\u30b9\u30c8\u671f\u9593\u306e\u6700\u5f8c\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u4e88\u6e2c\u5bfe\u8c61\u306b\u3059\u308b\u3002<\/li>\n<li><strong>First<\/strong>\uff1a\u30c6\u30b9\u30c8\u671f\u9593\u306e\u6700\u521d\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u5bfe\u8c61\u306b\u3059\u308b\u3002<\/li>\n<li><strong>Random<\/strong>\uff1a\u30c6\u30b9\u30c8\u671f\u9593\u304b\u3089\u30e9\u30f3\u30c0\u30e0\u306b1\u4ef6\u3092\u9078\u3076\u3002<\/li>\n<li><strong>All<\/strong>\uff1a\u30c6\u30b9\u30c8\u671f\u9593\u306b\u542b\u307e\u308c\u308b\u30a4\u30d9\u30f3\u30c8\u3092\u3059\u3079\u3066\u300c\u6b63\u89e3\u300d\u3068\u3057\u3066\u6271\u3046\u3002<\/li>\n<li><strong>Successive<\/strong>\uff1a\u30c6\u30b9\u30c8\u671f\u9593\u306b\u542b\u307e\u308c\u308b\u30a4\u30d9\u30f3\u30c8\u3092\u9806\u756a\u306b\u3059\u3079\u3066\u4e88\u6e2c\u5bfe\u8c61\u3068\u3059\u308b\u3002<\/li>\n<\/ul>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"Danil Gusak\u6c0f\u3089\u306b\u3088\u308bTime to Split: Exploring Data Splitting Strategies for Offline Evaluation of Sequential Recommenders\u306eFigure 1\u3088\u308a\u5f15\u7528\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250930\/20250930113414.png\" width=\"1200\" height=\"225\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>Danil Gusak\u6c0f\u3089\u306b\u3088\u308b<a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748164\">Time to Split: Exploring Data Splitting Strategies for Offline Evaluation of Sequential Recommenders<\/a>\u306eFigure 1\u3088\u308a\u5f15\u7528<\/figcaption><\/figure>\n<\/p>\n<p>\u52a0\u3048\u3066\u3001\u691c\u8a3c\u30c7\u30fc\u30bf\uff08\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\uff09\u306e\u5206\u3051\u65b9\u3082\u691c\u8a3c\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"Danil Gusak\u6c0f\u3089\u306b\u3088\u308bTime to Split: Exploring Data Splitting Strategies for Offline Evaluation of Sequential Recommenders\u306eFigure 3\u3088\u308a\u5f15\u7528\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250930\/20250930113424.png\" width=\"1200\" height=\"281\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>Danil Gusak\u6c0f\u3089\u306b\u3088\u308b<a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748164\">Time to Split: Exploring Data Splitting Strategies for Offline Evaluation of Sequential Recommenders<\/a>\u306eFigure 3\u3088\u308a\u5f15\u7528<\/figcaption><\/figure>\n<\/p>\n<ul>\n<li><strong>LTI\uff08Last Training Item\uff09<\/strong>\uff1a\u5404\u30e6\u30fc\u30b6\u306e\u30c6\u30b9\u30c8\u76f4\u524d\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u4f7f\u3046\u3002<\/li>\n<li><strong>UB\uff08User-based\uff09<\/strong>\uff1a\u4e00\u90e8\u306e\u30e6\u30fc\u30b6\u3092\u307e\u308b\u3054\u3068\u691c\u8a3c\u7528\u306b\u3059\u308b\u3002<\/li>\n<li><strong>GT\uff08Global Temporal\uff09<\/strong>\uff1a\u30c6\u30b9\u30c8\u524d\u306e\u3042\u308b\u6642\u70b9\u3067\u5207\u308a\u3001\u305d\u306e\u76f4\u5f8c\u304b\u3089\u306e\u30c7\u30fc\u30bf\u3092\u4f7f\u3046\u3002<\/li>\n<\/ul>\n<p>\u5b9f\u9a13\u306e\u7d50\u679c\u3001<strong>Last<\/strong>\u3068<strong>Random<\/strong>\u304c\u8a08\u7b97\u52b9\u7387\u3068\u73fe\u5b9f\u6027\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u826f\u304f\u3001\u5b9f\u52d9\u306b\u6700\u3082\u9069\u3057\u3066\u3044\u308b\u3053\u3068\u304c\u5206\u304b\u308a\u307e\u3057\u305f\u3002<strong>Successive<\/strong>\u306f\u5b9f\u969b\u306e\u5229\u7528\u72b6\u6cc1\u3092\u5fe0\u5b9f\u306b\u518d\u73fe\u3067\u304d\u308b\u4e00\u65b9\u3067\u3001\u3059\u3079\u3066\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u5bfe\u8c61\u306b\u3059\u308b\u305f\u3081\u8a08\u7b97\u30b3\u30b9\u30c8\u304c\u5927\u304d\u3059\u304e\u307e\u3059\u3002<strong>First<\/strong>\u306f\u524d\u306e\u884c\u52d5\u304b\u3089\u9577\u3044\u7a7a\u767d\u3092\u631f\u3093\u3060\u30a4\u30d9\u30f3\u30c8\u306b\u504f\u308a\u3084\u3059\u304f\u3001<strong>All<\/strong>\u306f\u300c\u6b21\u306e1\u4ef6\u3092\u5f53\u3066\u308b\u300d\u3068\u3044\u3046\u672c\u6765\u306e\u76ee\u7684\u304b\u3089\u5916\u308c\u308b\u305f\u3081\u3001\u3044\u305a\u308c\u3082\u4e0d\u9069\u5207\u3067\u3057\u305f\u3002<\/p>\n<p>\u3055\u3089\u306b\u3001\u691c\u8a3c\u30c7\u30fc\u30bf\u306e\u5206\u3051\u65b9\u3092\u6bd4\u8f03\u3057\u305f\u3068\u3053\u308d\u3001<strong>GT<\/strong>\u3092\u4f7f\u3046\u65b9\u6cd5\u304c\u6700\u3082\u4fe1\u983c\u3067\u304d\u308b\u3068\u793a\u3055\u308c\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u3044\u3046\u300c\u4fe1\u983c\u3067\u304d\u308b\u300d\u3068\u306f\u3001<strong>\u691c\u8a3c\u3067\u826f\u3044\u3068\u5224\u65ad\u3055\u308c\u305f\u30e2\u30c7\u30eb\u3084\u8a2d\u5b9a\u304c\u3001\u30c6\u30b9\u30c8\u30c7\u30fc\u30bf\u3067\u3082\u540c\u69d8\u306b\u826f\u3044\u7d50\u679c\u3092\u793a\u3059\uff1d\u691c\u8a3c\u7d50\u679c\u3068\u30c6\u30b9\u30c8\u7d50\u679c\u304c\u4e00\u8cab\u3057\u3066\u3044\u308b<\/strong>\u3068\u3044\u3046\u610f\u5473\u3067\u3059\u3002\u9006\u306bLTI\u3084UB\u306e\u3088\u3046\u306a\u65b9\u6cd5\u3067\u306f\u3001\u691c\u8a3c\u3068\u30c6\u30b9\u30c8\u306e\u7d50\u679c\u304c\u98df\u3044\u9055\u3044\u3084\u3059\u304f\u3001\u30e2\u30c7\u30eb\u9078\u629e\u3092\u8aa4\u308b\u30ea\u30b9\u30af\u304c\u3042\u308b\u3068\u8a00\u53ca\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p>\u52a0\u3048\u3066\u3001\u5b66\u7fd2\u3068\u691c\u8a3c\u30c7\u30fc\u30bf\u3092\u7d50\u5408\u3057\u3066\u518d\u5b66\u7fd2\u3059\u308b\u3053\u3068\u3067\u3001\u30e2\u30c7\u30eb\u6027\u80fd\u304c\u5927\u5e45\u306b\u5411\u4e0a\u3059\u308b\u3053\u3068\u3082\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<h4 id=\"\u611f\u60f3\u8003\u5bdf-3\">\u611f\u60f3\u30fb\u8003\u5bdf<\/h4>\n<p>\u307e\u305a\u3001\u30b7\u30fc\u30b1\u30f3\u30b7\u30e3\u30eb\u63a8\u85a6\u306e\u30aa\u30d5\u30e9\u30a4\u30f3\u8a55\u4fa1\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u5206\u5272\u306b\u3064\u3044\u3066\u3001\u3053\u3053\u307e\u3067\u4f53\u7cfb\u7684\u306b\u6bd4\u8f03\u3057\u305f\u7814\u7a76\u3092\u805e\u3051\u305f\u306e\u306f\u3068\u3066\u3082\u610f\u7fa9\u6df1\u3044\u3068\u611f\u3058\u307e\u3057\u305f\u3002\u79c1\u81ea\u8eab\u3082GTS\u306e\u3088\u3046\u306a\u624b\u6cd5\u3092\u4f7f\u3046\u969b\u306b\u300c\u3069\u306e\u30a4\u30d9\u30f3\u30c8\u3092\u30bf\u30fc\u30b2\u30c3\u30c8\u306b\u3059\u308b\u304b\u300d\u3067\u60a9\u3093\u3060\u7d4c\u9a13\u304c\u3042\u308b\u306e\u3067\u3001\u3053\u306e\u6574\u7406\u306f\u975e\u5e38\u306b\u53c2\u8003\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n<p>\u3053\u306e\u7814\u7a76\u304c\u793a\u3059\u3088\u3046\u306b<strong>Last\u3084Random\u3092\u57fa\u672c\u306b\u636e\u3048\u3001GT\u3067\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u5207\u308b\u6d41\u308c<\/strong>\u3092\u62bc\u3055\u3048\u3066\u304a\u3051\u3070\u8ff7\u3044\u304c\u6e1b\u308a\u305d\u3046\u3067\u3059\u3002\u30e2\u30c7\u30eb\u6539\u5584\u3060\u3051\u3067\u306a\u304f\u8a55\u4fa1\u8a2d\u8a08\u305d\u306e\u3082\u306e\u304c\u7cbe\u5ea6\u306b\u76f4\u7d50\u3059\u308b\u3053\u3068\u3092\u6539\u3081\u3066\u5b9f\u611f\u3057\u3001\u4eca\u5f8c\u306e\u30e2\u30c7\u30eb\u958b\u767a\u306b\u3082\u5f79\u7acb\u3064\u77e5\u898b\u3060\u3068\u601d\u3044\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"Enhancing-Embedding-Representation-Stability-in-Recommendation-Systems-with-Semantic-ID\"><a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748123\">Enhancing Embedding Representation Stability in Recommendation Systems with Semantic ID<\/a><\/h3>\n<p><em>Carolina Zheng, Minhui Huang, Dmitrii Pedchenko, Kaushik Rangadurai, Siyu Wang, Fan Xia, Gaby Nahum, Jie Lei, Yang Yang, Tao Liu, Zutian Luo, Xiaohan Wei, Dinesh Ramasamy, Jiyan Yang, Yiping Han, Lin Yang, Hangjun Xu, Rong Jin, Shuang Yan<\/em><\/p>\n<p>\u3053\u306e\u8ad6\u6587\u306fMeta\u306e\u7814\u7a76\u3067\u3001\u5e83\u544a\u63a8\u85a6\u306b\u304a\u3051\u308bID\u30d9\u30fc\u30b9\u57cb\u3081\u8fbc\u307f\u306e\u4e0d\u5b89\u5b9a\u3055\u3092\u3001ID\u306e\u8a2d\u8a08\u3068\u5272\u308a\u5f53\u3066\u3092\u4f5c\u308a\u66ff\u3048\u308b\u3053\u3068\u3067\u89e3\u6d88\u3057\u3066\u3044\u307e\u3059\u3002\u5b9f\u52d9\u3067\u4e00\u822c\u7684\u306a\u5272\u308a\u5f53\u3066\u306f\u6b21\u306e2\u3064\u3067\u3059\u3002<\/p>\n<ul>\n<li><strong>Individual Embeddings\uff1a<\/strong>\u5404\u30a2\u30a4\u30c6\u30e0\u306b\u5c02\u7528\u306e\u884c\u3092\u5272\u308a\u5f53\u3066\u308b\u65b9\u5f0f<\/li>\n<li><strong>Random Hashing\uff1a<\/strong>\u56fa\u5b9a\u30b5\u30a4\u30ba\u306e\u8868\u3078\u30e9\u30f3\u30c0\u30e0\u306b\u5272\u308a\u5f53\u3066\u308b\u65b9\u5f0f<\/li>\n<\/ul>\n<p>\u524d\u8005\u306f\u3001\u4ed6\u30a2\u30a4\u30c6\u30e0\u3068\u306e\u5e72\u6e09\u304c\u8d77\u304d\u306a\u3044\u70b9\u3067\u306f\u512a\u308c\u3066\u3044\u307e\u3059\u304c\u3001<strong>\u8868\u304c\u30ab\u30bf\u30ed\u30b0\u898f\u6a21\u306b\u6bd4\u4f8b\u3057\u3066\u80a5\u5927\u5316<\/strong>\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u305d\u306e\u305f\u3081\u51fa\u73fe\u983b\u5ea6\u306e\u4f4e\u3044\u3001\u30ed\u30f3\u30b0\u30c6\u30fc\u30eb\u30a2\u30a4\u30c6\u30e0\u3084\u65b0\u898f\u30a2\u30a4\u30c6\u30e0\u306f\u5341\u5206\u306b\u5b66\u7fd2\u3055\u308c\u305a\u3001\u8868\u73fe\u304c\u5f31\u304f\u306a\u308b\u3068\u3044\u3046\u6b20\u70b9\u304c\u3042\u308a\u307e\u3059\u3002\u5f8c\u8005\u306f\u3001\u8868\u306e\u30b5\u30a4\u30ba\u3092\u6291\u3048\u3089\u308c\u308b\u70b9\u3067\u306f\u5b9f\u7528\u7684\u3067\u3059\u304c\u3001\u5272\u308a\u5f53\u3066\u304c\u30e9\u30f3\u30c0\u30e0\u306a\u306e\u3067<strong>\u7121\u95a2\u4fc2\u306a\u30a2\u30a4\u30c6\u30e0\u304c\u540c\u3058\u884c\u3092\u5171\u6709\u3057\u52fe\u914d\u66f4\u65b0\u304c\u5e72\u6e09<\/strong>\u3057\u3066\u3057\u307e\u3044\u307e\u3059\u3002\u3055\u3089\u306bID\u304c\u5165\u308c\u66ff\u308f\u308b\u3068\u5171\u6709\u76f8\u624b\u304c\u5909\u308f\u308b\u305f\u3081\u3001\u540c\u3058\u30a2\u30a4\u30c6\u30e0\u3067\u3082\u6642\u9593\u3068\u3068\u3082\u306b\u8868\u73fe\u304c\u63fa\u308c\u3066\u3057\u307e\u3046\u3068\u3044\u3046\u554f\u984c\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p>\u8457\u8005\u3089\u306f\u3053\u3053\u306b\u5bfe\u3057\u3001<strong>\u30a2\u30a4\u30c6\u30e0\u306e\u30c6\u30ad\u30b9\u30c8\u3084\u753b\u50cf\u304b\u3089\u5f97\u305f\u7279\u5fb4\u3092RQ-VAE\u3067\u968e\u5c64\u30b3\u30fc\u30c9\u5217\u306b\u91cf\u5b50\u5316\u3057\u3001\u3053\u308c\u3092Semantic ID\u3068\u3057\u3066\u63a1\u7528\u3057\u307e\u3059\u3002\u3055\u3089\u306bprefix-ngram\u3067\u4e0a\u4f4d\u304b\u3089\u306e\u63a5\u982d\u8f9e\u3054\u3068\u306b\u30c8\u30fc\u30af\u30f3\u5316\u3057\u3001\u305d\u308c\u305e\u308c\u3092\u57cb\u3081\u8fbc\u307f\u8868\u306e\u884c\u306b\u5bfe\u5fdc\u3065\u3051<\/strong>\u307e\u3059\u3002\u7d50\u679c\u3068\u3057\u3066\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u5b9f\u52d9\u4e0a\u306e\u5229\u70b9\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n<ul>\n<li>Semantic ID\u306b\u3088\u308a\u610f\u5473\u7684\u306b\u8fd1\u3044\u30a2\u30a4\u30c6\u30e0\u3068\u91cd\u307f\u3092\u5171\u6709\u3067\u304d\u308b\u305f\u3081\u3001<strong>\u5b66\u7fd2\u30c7\u30fc\u30bf\u304c\u4e4f\u3057\u3044\u30ed\u30f3\u30b0\u30c6\u30fc\u30eb\u30a2\u30a4\u30c6\u30e0\u3084\u65b0\u898f\u30a2\u30a4\u30c6\u30e0\u3067\u3082\u5b89\u5b9a\u3057\u305f\u8868\u73fe\u3092\u7372\u5f97<\/strong>\u3067\u304d\u308b\u3002<\/li>\n<li>prefix-ngram\u306b\u3088\u3063\u3066\u4f3c\u305f\u30a2\u30a4\u30c6\u30e0\u304c\u540c\u3058\u63a5\u982d\u8f9e\u3092\u5171\u6709\u3059\u308b\u305f\u3081\u3001<strong>ID\u306e\u5272\u308a\u5f53\u3066\u6642\u306b\u304a\u3053\u308b\u885d\u7a81\u304c\u5076\u7136\u3067\u306f\u306a\u304f\u610f\u5473\u306b\u57fa\u3065\u3044\u3066\u8d77\u304d\u3001\u5b66\u7fd2\u3092\u307e\u305f\u3044\u3067\u3082\u8868\u73fe\u304c\u63fa\u308c\u306b\u304f\u3044<\/strong>\u3002<\/li>\n<\/ul>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"Carolina Zheng\u6c0f\u3089\u306b\u3088\u308bEnhancing Embedding Representation Stability in Recommendation Systems with Semantic ID\u306eFigure 1\u3088\u308a\u5f15\u7528\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250930\/20250930113428.png\" width=\"1200\" height=\"616\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>Carolina Zheng\u6c0f\u3089\u306b\u3088\u308b<a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748123\">Enhancing Embedding Representation Stability in Recommendation Systems with Semantic ID<\/a>\u306eFigure 1\u3088\u308a\u5f15\u7528<\/figcaption><\/figure>\n<\/p>\n<p>\u8a55\u4fa1\u3067\u306f\u3001A\/A\u30c6\u30b9\u30c8\u306e\u4e88\u6e2c\u3070\u3089\u3064\u304d\u304c43\uff05\u6e1b\u5c11\u3001\u672c\u756a\u306e\u5e83\u544a\u914d\u4fe1\u3067\u3082\u4e3b\u8981\u30aa\u30f3\u30e9\u30a4\u30f3\u6307\u6a19\u304c0.15\uff05\u6539\u5584\u3002\u52a0\u3048\u3066\u3001\u9577\u671f\u5b66\u7fd2\u4e0b\u3067\u3082\u8868\u73fe\u30c9\u30ea\u30d5\u30c8\u304c\u5c0f\u3055\u304f\u3001\u30ed\u30f3\u30b0\u30c6\u30fc\u30eb\u30fb\u65b0\u898f\u30a2\u30a4\u30c6\u30e0\u3067\u306e\u6307\u6a19\u3082\u4e00\u8cab\u3057\u3066\u5411\u4e0a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<h4 id=\"\u611f\u60f3\u8003\u5bdf-4\">\u611f\u60f3\u30fb\u8003\u5bdf<\/h4>\n<p>\u3053\u306e\u7814\u7a76\u306e\u65b0\u3057\u3055\u306f\u3001\u300cID\u306e\u885d\u7a81\u3092\u907f\u3051\u308b\u300d\u3042\u308b\u3044\u306f\u300cID\u3092\u30e9\u30f3\u30c0\u30e0\u306b\u885d\u7a81\u3055\u305b\u308b\u300d\u3068\u3044\u3046\u5f93\u6765\u306e\u767a\u60f3\u3092\u6368\u3066\u3001<strong>\u885d\u7a81\u305d\u306e\u3082\u306e\u3092\u610f\u5473\u306e\u3042\u308b\u77e5\u8b58\u5171\u6709\u306b\u5909\u3048\u305f<\/strong>\u70b9\u3060\u3068\u601d\u3044\u307e\u3059\u3002\u3053\u308c\u306b\u3088\u308a\u3001\u65b0\u898f\u30a2\u30a4\u30c6\u30e0\u306f\u300c\u4f3c\u3066\u3044\u308b\u65e2\u5b58\u30a2\u30a4\u30c6\u30e0\u306e\u91cd\u307f\u300d\u3092\u5f15\u304d\u7d99\u3044\u3067\u30b9\u30bf\u30fc\u30c8\u3067\u304d\u3001\u30ed\u30f3\u30b0\u30c6\u30fc\u30eb\u3084\u30b3\u30fc\u30eb\u30c9\u30b9\u30bf\u30fc\u30c8\u306b\u5f37\u304f\u306a\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001ID\u304c\u5909\u308f\u3063\u3066\u3082\u610f\u5473\u306e\u8fd1\u3044\u30b3\u30fc\u30c9\u306b\u53ce\u307e\u308b\u305f\u3081\u3001\u57cb\u3081\u8fbc\u307f\u304c\u63fa\u3089\u304e\u306b\u304f\u304f\u3001A\/B\u30c6\u30b9\u30c8\u3084\u672c\u756a\u914d\u4fe1\u3067\u3082\u5b89\u5b9a\u6027\u304c\u9ad8\u307e\u308a\u307e\u3059\u3002<\/p>\n<p>\u3082\u3061\u308d\u3093\u3001\u3053\u306e\u4ed5\u7d44\u307f\u306b\u306f\u30a2\u30a4\u30c6\u30e0\u306e\u30c6\u30ad\u30b9\u30c8\u3084\u753b\u50cf\u304b\u3089\u826f\u3044\u7279\u5fb4\u3092\u53d6\u308a\u51fa\u3059\u30e2\u30c7\u30eb\uff08RQ-VAE\uff09\u306e\u5b66\u7fd2\u30fb\u904b\u7528\u304c\u524d\u63d0\u3068\u306a\u308a\u307e\u3059\u304c\u3001\u300cID\u81ea\u4f53\u306b\u610f\u5473\u3092\u4e0e\u3048\u308b\u300d\u3068\u3044\u3046\u767a\u60f3\u3067\u57cb\u3081\u8fbc\u307f\u8868\u3092\u6839\u672c\u304b\u3089\u8a2d\u8a08\u3057\u76f4\u3057\u305f\u70b9\u306f\u5b9f\u52d9\u7684\u3067\u3001\u898f\u6a21\u306e\u5927\u304d\u306a\u30b5\u30fc\u30d3\u30b9\u3067\u7279\u306b\u52b9\u679c\u3092\u767a\u63ee\u3059\u308b\u30a2\u30d7\u30ed\u30fc\u30c1\u3060\u3068\u611f\u3058\u307e\u3057\u305f\u3002<\/p>\n<h3 id=\"VL-CLIP-Enhancing-Multimodal-Recommendations-via-Visual-Grounding-and-LLM-Augmented-CLIP-Embeddings\"><a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748064\">VL-CLIP: Enhancing Multimodal Recommendations via Visual Grounding and LLM-Augmented CLIP Embeddings<\/a><\/h3>\n<p><em>Ramin Giahi, Kehui Yao, Sriram Kollipara, Kai Zhao, Vahid Mirjalili, Jianpeng Xu, Topojoy Biswas, Evren Korpeoglu, Kannan Achan<\/em><\/p>\n<p>\u3053\u3061\u3089\u306e\u8ad6\u6587\u306f\u3001\u7c73\u56fd\u5927\u624bEC\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<a target=\"_blank\" href=\"https:\/\/www.walmart.com\/\">Walmart<\/a>\u306e\u7814\u7a76\u30c1\u30fc\u30e0\u306b\u3088\u308b\u3082\u306e\u3067\u3001<strong>E\u30b3\u30de\u30fc\u30b9\u5411\u3051\u306bCLIP\u306e\u8868\u73fe\u80fd\u529b\u3092\u9ad8\u3081\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u305f\u7814\u7a76<\/strong>\u3067\u3059\u3002CLIP\u3068\u306f\u3001\u81ea\u7136\u8a00\u8a9e\u3068\u753b\u50cf\u3092\u540c\u4e00\u306e\u57cb\u3081\u8fbc\u307f\u7a7a\u9593\u306b\u30de\u30c3\u30d4\u30f3\u30b0\u3059\u308b\u3053\u3068\u3067\u3001\u76f8\u4e92\u306b\u60c5\u5831\u3092\u88dc\u5b8c\u3057\u306a\u304c\u3089\u9ad8\u3044\u8868\u73fe\u529b\u3092\u6301\u3064\u30d9\u30af\u30c8\u30eb\u8868\u73fe\uff08Embedding\uff09\u3092\u751f\u6210\u3067\u304d\u308b\u30e2\u30c7\u30eb\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u306eCLIP\u3092\u305d\u306e\u307e\u307eE\u30b3\u30de\u30fc\u30b9\u306e\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u306b\u9069\u7528\u3059\u308b\u969b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u8ab2\u984c\u304c\u5b58\u5728\u3057\u307e\u3059\u3002<\/p>\n<ol>\n<li>CLIP\u306f\u753b\u50cf\u5168\u4f53\u3092\u51e6\u7406\u3059\u308b\u305f\u3081\u3001<strong>\u8cea\u611f\u3084\u91d1\u5177\u306e\u5f62\u72b6\u3068\u3044\u3063\u305f\u7d30\u7c92\u5ea6\u306e\u7279\u5fb4\u3092\u5341\u5206\u306b\u6349\u3048\u3089\u308c\u306a\u3044<\/strong><\/li>\n<li>\u5546\u54c1\u8aac\u660e\u6587\u306f\u7d71\u4e00\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u3067\u66f8\u304b\u308c\u3066\u3044\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u60c5\u5831\u306e\u8cea\u306b\u3070\u3089\u3064\u304d\u3084\u66d6\u6627\u3055\u304c\u3042\u308b\u305f\u3081\u3001<strong>\u30c6\u30ad\u30b9\u30c8\u8868\u73fe\u304c\u5b89\u5b9a\u3057\u306a\u3044<\/strong><\/li>\n<li>CLIP\u306f\u30aa\u30fc\u30d7\u30f3\u30c9\u30e1\u30a4\u30f3\u30c7\u30fc\u30bf\u3067\u5b66\u7fd2\u3055\u308c\u3066\u3044\u308b\u305f\u3081\u3001<strong>\u30d7\u30ed\u304c\u64ae\u5f71\u3057\u305f\u88fd\u54c1\u753b\u50cf\u3084EC\u7279\u6709\u306e\u30c7\u30fc\u30bf\u5206\u5e03\u306b\u306f\u9069\u5fdc\u3057\u306b\u304f\u3044<\/strong><\/li>\n<\/ol>\n<p>\u3053\u308c\u3089\u306e\u8ab2\u984c\u3092\u89e3\u6c7a\u3059\u308b\u305f\u3081\u306b\u3001\u3053\u3061\u3089\u306e\u7814\u7a76\u3067\u306fVL-CLIP\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002<strong>VL-CLIP\u306f\u3001\u753b\u50cf\u3068\u30c6\u30ad\u30b9\u30c8\u306e\u5165\u529b\u3092\u6539\u5584\u3059\u308b\u3053\u3068\u3067\u3001CLIP\u306e\u57cb\u3081\u8fbc\u307f\u8868\u73fe\u3092\u5f37\u5316\u3059\u308b\u4ed5\u7d44\u307f<\/strong>\u3067\u3059\u3002\u753b\u50cf\u5074\u306e\u6539\u826f\u3067\u306f\u3001\u753b\u50cf\u3092\u3082\u3068\u306b\u81ea\u7136\u8a00\u8a9e\u304b\u3089\u6307\u793a\u3055\u308c\u305f\u7269\u4f53\u3092\u7279\u5b9a\u3059\u308bVisual Grounding\u3092\u7528\u3044\u3066\u3001\u88fd\u54c1\u753b\u50cf\u306e\u91cd\u8981\u9818\u57df\u3092\u62bd\u51fa\u3057\u80cc\u666f\u306a\u3069\u306e\u30ce\u30a4\u30ba\u3092\u9664\u53bb\u3057\u307e\u3059\u3002\u305d\u308c\u306b\u3088\u308a\u3001\u88fd\u54c1\u305d\u306e\u3082\u306e\u306e\u7279\u5fb4\u306b\u7126\u70b9\u3092\u5f53\u3066\u305f\u5b66\u7fd2\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u307e\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u5074\u306e\u6539\u826f\u3067\u306f\u3001LLM\u3092\u6d3b\u7528\u3057\u3066\u5546\u54c1\u8aac\u660e\u6587\u30fb\u88fd\u54c1\u30bf\u30a4\u30d7\u30fb\u6027\u5225\u306a\u3069\u306e\u5c5e\u6027\u60c5\u5831\u3092\u7d71\u5408\u3057\u3066\u521d\u671f\u30af\u30a8\u30ea\u3092\u751f\u6210\u3057\u3001\u305d\u306e\u5f8cLLM\u306b\u3088\u308b\u8a55\u4fa1\u3068\u30d5\u30a3\u30fc\u30c9\u30d0\u30c3\u30af\u3092\u7e70\u308a\u8fd4\u3059\u3053\u3068\u3067\u3001\u7cbe\u7dfb\u5316\u3055\u308c\u305f\u5546\u54c1\u30c6\u30ad\u30b9\u30c8\u8868\u73fe\u3092\u4f5c\u6210\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"Ramin Giahi\u6c0f\u3089\u306b\u3088\u308bVL-CLIP: Enhancing Multimodal Recommendations via Visual Grounding and LLM-Augmented CLIP Embeddings \u306eFigure 2\u3088\u308a\u5f15\u7528\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250930\/20250930113419.png\" width=\"1200\" height=\"569\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>Ramin Giahi\u6c0f\u3089\u306b\u3088\u308b<a target=\"_blank\" href=\"https:\/\/dl.acm.org\/doi\/10.1145\/3705328.3748064\">VL-CLIP: Enhancing Multimodal Recommendations via Visual Grounding and LLM-Augmented CLIP Embeddings<\/a>\u306eFigure 2\u3088\u308a\u5f15\u7528<\/figcaption><\/figure>\n<\/p>\n<p>\u5b9f\u9a13\u306e\u7d50\u679c\u3001\u691c\u7d22\u30bf\u30b9\u30af\u306b\u304a\u3044\u3066HIT@5\u306fCLIP\u306e0.3080\u306b\u5bfe\u3057\u3001VL-CLIP\u306f0.6758\u3068\u5927\u5e45\u306b\u6539\u5584\u3057\u307e\u3057\u305f\u3002\u52a0\u3048\u3066\u3001\u5b9f\u30b5\u30fc\u30d3\u30b9\u74b0\u5883\u3067\u884c\u3063\u305f\u30aa\u30f3\u30e9\u30a4\u30f3A\/B\u30c6\u30b9\u30c8\u3067\u3082CTR\u3084CVR\u304c\u6539\u5584\u3055\u308c\u3001VL-CLIP\u304c\u5b9f\u7528\u7684\u304b\u3064\u6709\u52b9\u306a\u624b\u6cd5\u3067\u3042\u308b\u3053\u3068\u304c\u78ba\u8a8d\u3055\u308c\u307e\u3057\u305f\u3002<\/p>\n<h4 id=\"\u611f\u60f3\u8003\u5bdf-5\">\u611f\u60f3\u30fb\u8003\u5bdf<\/h4>\n<p>\u3053\u3061\u3089\u306e\u7814\u7a76\u3067\u306f\u3001<strong>\u753b\u50cf\u57cb\u3081\u8fbc\u307f\u751f\u6210\u306b\u5e83\u304f\u5229\u7528\u3055\u308c\u3066\u3044\u308bCLIP\u3092E\u30b3\u30de\u30fc\u30b9\u30c9\u30e1\u30a4\u30f3\u306b\u9069\u5fdc\u3055\u305b\u308b\u624b\u6cd5\u3092\u4f53\u7cfb\u7684\u306b\u8aac\u660e<\/strong>\u3057\u3066\u3044\u307e\u3059\u3002\u5546\u54c1\u30a2\u30a4\u30c6\u30e0\u306e\u30d9\u30af\u30c8\u30eb\u8868\u73fe\u306f\u8907\u6570\u306e\u30e2\u30c7\u30eb\u3084\u30b5\u30fc\u30d3\u30b9\u3067\u6c4e\u7528\u7684\u306b\u5229\u7528\u3055\u308c\u308b\u8868\u73fe\u3067\u3042\u308b\u305f\u3081\u3001\u305d\u306e\u7cbe\u5ea6\u3092\u9ad8\u3081\u308b\u3053\u3068\u306f\u691c\u7d22\u3084\u63a8\u85a6\u306b\u9650\u3089\u305a\u69d8\u3005\u306a\u30bf\u30b9\u30af\u3084\u30b5\u30fc\u30d3\u30b9\u5168\u4f53\u306b\u597d\u5f71\u97ff\u3092\u3082\u305f\u3089\u3059\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002\u5b9f\u88c5\u30b3\u30b9\u30c8\u306f\u304b\u304b\u308b\u3082\u306e\u306e\u3001\u7cbe\u5ea6\u6539\u5584\u306b\u5411\u3051\u3066\u9700\u8981\u306e\u9ad8\u3044\u30a2\u30d7\u30ed\u30fc\u30c1\u3060\u3068\u611f\u3058\u307e\u3057\u305f\u3002<\/p>\n<p>\u307e\u305f\u3001<strong>\u672c\u8ad6\u6587\u3067\u63a1\u7528\u3055\u308c\u3066\u3044\u308bLLM\u3092\u7528\u3044\u305f\u30c6\u30ad\u30b9\u30c8\u751f\u6210\u30fb\u8a55\u4fa1\u30fb\u30af\u30a8\u30ea\u7cbe\u7dfb\u5316\u306e\u30d7\u30ed\u30bb\u30b9\u306f\u3001\u5b66\u4f1a\u4e2d\u306b\u4ed6\u306e\u8ad6\u6587\u3067\u3082\u898b\u3089\u308c\u305f\u65b9\u6cd5\u3067\u3001\u7279\u5fb4\u91cf\u751f\u6210\u306b\u304a\u3044\u3066\u4e00\u822c\u5316\u3057\u3064\u3064\u3042\u308b\u624b\u6cd5<\/strong>\u3060\u3068\u611f\u3058\u307e\u3057\u305f\u3002\u7279\u306b\u3001\u30ce\u30a4\u30ba\u306e\u591a\u3044\u5546\u54c1\u8aac\u660e\u6587\u3092LLM\u306b\u3088\u3063\u3066\u6574\u7406\u3057\u3001\u8996\u899a\u60c5\u5831\u3068\u6574\u5408\u3059\u308b\u30c6\u30ad\u30b9\u30c8\u8868\u73fe\u306b\u5909\u63db\u3059\u308b\u70b9\u306f\u3001\u5b9f\u904b\u7528\u306b\u304a\u3051\u308b\u54c1\u8cea\u5411\u4e0a\u306b\u5927\u304d\u304f\u8ca2\u732e\u3057\u3066\u3044\u308b\u3068\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n<h2 id=\"\u7d42\u308f\u308a\u306b\">\u7d42\u308f\u308a\u306b<\/h2>\n<p>\u4eca\u56de\u306f\u3001RecSys2025\u306e\u5185\u5bb9\u306e\u4e00\u7247\u3092\u304a\u4f1d\u3048\u3057\u307e\u3057\u305f\u3002\u53c2\u52a0\u3057\u3066\u826f\u304b\u3063\u305f\u70b9\u306f\u3001\u73fe\u5728\u306eZOZOTOWN\u306b\u304a\u3051\u308b\u63a8\u85a6\u306e\u7acb\u3061\u4f4d\u7f6e\u3068\u305d\u306e\u767a\u5c55\u306e\u65b9\u5411\u6027\u306b\u3064\u3044\u3066\u30a4\u30f3\u30b9\u30d4\u30ec\u30fc\u30b7\u30e7\u30f3\u3092\u5f97\u3089\u308c\u305f\u3053\u3068\u3067\u3059\u3002\u7279\u306b\u3001Industrial Paper\u3067\u8b70\u8ad6\u3055\u308c\u3066\u3044\u308b\u8ab2\u984c\u306f\u81ea\u5206\u305f\u3061\u3082\u540c\u3058\u8ab2\u984c\u3092\u6301\u3063\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u304f\u3001\u305d\u306e\u89e3\u6c7a\u306e\u65b9\u5411\u6027\u3092\u77e5\u308c\u3066\u3001\u3059\u3050\u306b\u3067\u3082\u53d6\u308a\u5165\u308c\u305f\u304f\u306a\u308b\u3088\u3046\u306a\u3082\u306e\u304c\u591a\u304b\u3063\u305f\u3068\u3044\u3046\u5370\u8c61\u304c\u3042\u308a\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u65e5\u672c\u4eba\u306e\u53c2\u52a0\u8005\u306e\u65b9\u3005\u3068\u304a\u8a71\u3057\u3059\u308b\u6a5f\u4f1a\u306b\u3082\u6075\u307e\u308c\u3001\u5b9f\u969b\u306b\u5404\u4f1a\u793e\u3067\u904b\u7528\u3057\u3066\u3044\u308b\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u306b\u5171\u901a\u3059\u308b\u8ab2\u984c\u3084\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8b70\u8ad6\u3067\u304d\u3001\u3068\u3066\u3082\u5b66\u3073\u306e\u591a\u3044\u6642\u9593\u3068\u306a\u308a\u307e\u3057\u305f\u3002<\/p>\n<p>RecSys 2026\u306f\u30a2\u30e1\u30ea\u30ab\u306e\u30df\u30cd\u30a2\u30dd\u30ea\u30b9\u3067\u958b\u50ac\u3055\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3067\u3001\u81ea\u5206\u305f\u3061\u3082\u767a\u8868\u8005\u306e\u7acb\u5834\u3067\u53c2\u52a0\u3067\u304d\u308b\u3088\u3046\u306b\u63a8\u85a6\u30b7\u30b9\u30c6\u30e0\u3092\u30a2\u30c3\u30d7\u30c7\u30fc\u30c8\u3057\u3066\u3044\u304d\u305f\u3044\u3068\u601d\u3044\u307e\u3059\u3002<\/p>\n<p><figure class=\"figure-image figure-image-fotolife\" title=\"RecSys 2026\u306f\u30a2\u30e1\u30ea\u30ab\u306e\u30df\u30cd\u30a2\u30dd\u30ea\u30b9\u3067\u958b\u50ac\uff01\"><span itemscope=\"\" itemtype=\"http:\/\/schema.org\/Photograph\"><img decoding=\"async\" src=\"https:\/\/cdn-ak.f.st-hatena.com\/images\/fotolife\/v\/vasilyjp\/20250929\/20250929210320.jpg\" width=\"1200\" height=\"662\" loading=\"lazy\" title=\"\" class=\"hatena-fotolife\" itemprop=\"image\"\/><\/span><figcaption>RecSys 2026\u306f\u30a2\u30e1\u30ea\u30ab\u306e\u30df\u30cd\u30a2\u30dd\u30ea\u30b9\u3067\u958b\u50ac\uff01<\/figcaption><\/figure>\n<\/p>\n<p>ZOZO\u3067\u306f\u3001\u4e00\u7dd2\u306b\u30b5\u30fc\u30d3\u30b9\u3092\u4f5c\u308a\u4e0a\u3052\u3066\u304f\u308c\u308b\u4ef2\u9593\u3092\u52df\u96c6\u4e2d\u3067\u3059\u3002\u3054\u8208\u5473\u306e\u3042\u308b\u65b9\u306f\u3001\u4ee5\u4e0b\u306e\u30ea\u30f3\u30af\u304b\u3089\u305c\u3072\u3054\u5fdc\u52df\u304f\u3060\u3055\u3044\uff01<\/p>\n<p><iframe src=\"https:\/\/hatenablog-parts.com\/embed?url=https%3A%2F%2Fcorp.zozo.com%2Frecruit%2Fmid-career%2F\" title=\"\u4e2d\u9014\u63a1\u7528 - \u682a\u5f0f\u4f1a\u793eZOZO\" class=\"embed-card embed-webcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 155px; max-width: 500px; margin: 10px 0px;\" loading=\"lazy\"><\/iframe><cite class=\"hatena-citation\"><a target=\"_blank\" href=\"https:\/\/corp.zozo.com\/recruit\/mid-career\/\">corp.zozo.com<\/a><\/cite><\/p>\n<\/div>\n\n<br \/><a href=\"https:\/\/techblog.zozo.com\/entry\/recsys25\">\u5143\u306e\u8a18\u4e8b\u3092\u78ba\u8a8d\u3059\u308b <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\u306f\u3058\u3081\u306b \u3053\u3093\u306b\u3061\u306f\u3001\u30c7\u30fc\u30bf\u30b7\u30b9\u30c6\u30e0\u90e8\u63a8\u85a6\u57fa\u76e4\u30d6\u30ed\u30c3\u30af\u306e\u4e0a\u570b\u6599\uff08@Kamiko20174481\uff09\u3068MA\u63a8\u85a6\u30d6\u30ed\u30c3\u30af\u306e\u4f4f\u5b89\uff08@kosuke_sumiyasu\uff09\u3067\u3059\u3002 \u79c1\u305f\u3061\u306f2025\u5e749\u670822\u65e5\u301c9\u670826\u65e5\u306b\u30c1\u30a7\u30b3\u306e\u30d7\u30e9\u30cf [&hellip;]","protected":false},"author":1,"featured_media":7773,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[4],"tags":[],"class_list":["post-7772","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-company-tec"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.6 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>RecSys 2025\u53c2\u52a0\u30ec\u30dd\u30fc\u30c8 - ZOZO TECH BLOG - \u30dd\u30b1\u30b3\u30f3<\/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:\/\/techblog.zozo.com\/entry\/recsys25\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"RecSys 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