{"blog_title":"Timee Product Team Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/t/timee_dev/20251219/20251219150306.jpg","published":"2025-12-21 09:00:00","provider_name":"Hatena Blog","title":"In-Batch Negative Sampling\u3092\u4f7f\u3063\u305f\u30e2\u30c7\u30eb\u958b\u767a\u4e0a\u306e\u8ab2\u984c\u3068\u5bfe\u7b56","author_name":"timee_dev","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftech.timee.co.jp%2Fentry%2F2025%2F12%2F21%2F090000\" title=\"In-Batch Negative Sampling\u3092\u4f7f\u3063\u305f\u30e2\u30c7\u30eb\u958b\u767a\u4e0a\u306e\u8ab2\u984c\u3068\u5bfe\u7b56 - Timee Product Team Blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","blog_url":"https://tech.timee.co.jp/","categories":[],"type":"rich","url":"https://tech.timee.co.jp/entry/2025/12/21/090000","author_url":"https://blog.hatena.ne.jp/timee_dev/","height":"190","width":"100%","description":"\u3053\u306e\u8a18\u4e8b\u306fTimee Product Advent Calendar 2025 21\u65e5\u76ee\u306e\u8a18\u4e8b\u3067\u3059\u3002 \u30c7\u30fc\u30bf\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u90e8DS\u30b0\u30eb\u30fc\u30d7\u6240\u5c5e\u306e\u85e4\u4e95\u3068\u7533\u3057\u307e\u3059\u3002\u73fe\u5728\u30bf\u30a4\u30df\u30fc\u3067\u63a8\u85a6\u30a8\u30f3\u30b8\u30f3\u306e\u6539\u5584\u306b\u53d6\u308a\u7d44\u3093\u3067\u3044\u307e\u3059! \u3053\u306e\u8a18\u4e8b\u3067\u306f\u3001\u30bf\u30a4\u30df\u30fc\u306e\u63a8\u85a6\u30a8\u30f3\u30b8\u30f3\u306b\u304a\u3051\u308b\u5019\u88dc\u751f\u6210\u3067\u5c0e\u5165\u3057\u3066\u3044\u308b ANN\uff08Approximate Nearest Neighbor\uff09\u3068\u3001\u305d\u306e ANN\u7528\u30d9\u30af\u30c8\u30eb\u3092\u4f5c\u308b Two-Tower \u30e2\u30c7\u30eb\u3092\u984c\u6750\u306b\u3057\u307e\u3059\u3002\u305d\u3057\u3066\u3001\u3053\u306e\u30c9\u30e1\u30a4\u30f3\u3067\u91cd\u8981\u306a\u30c6\u30fc\u30de\u306e\u3072\u3068\u3064\u3067\u3042\u308b Negative Sampling\u3001\u7279\u306b In-Batch Negative Sampling \u3092\u4f7f\u3063\u305f\u30e2\u30c7\u30eb\u958b\u767a\u306b\u304a\u3051\u308b\u8ab2\u984c\u2026","provider_url":"https://hatena.blog"}