{"id":79699,"date":"2025-10-16T10:00:00","date_gmt":"2025-10-16T01:00:00","guid":{"rendered":"https:\/\/www.creationline.com\/tech-blog\/?p=79699"},"modified":"2026-02-24T18:14:49","modified_gmt":"2026-02-24T09:14:49","slug":"%e5%a4%a7%e8%a6%8f%e6%a8%a1%e8%a8%80%e8%aa%9e%e3%83%a2%e3%83%87%e3%83%ab%e3%81%ab%e3%82%88%e3%82%8b%e3%83%8a%e3%83%ac%e3%83%83%e3%82%b8%e3%82%b0%e3%83%a9%e3%83%95%e8%87%aa%e5%8b%95%e5%8c%96%e3%81%ae-3","status":"publish","type":"post","link":"https:\/\/www.creationline.com\/tech-blog\/data-management\/neo4j\/79699","title":{"rendered":"\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u81ea\u52d5\u5316\u306e\u6982\u5ff5\u691c\u8a3c[3]\u00a0"},"content":{"rendered":"\n<p>\u2015GraphRAG\u3078\u306e\u9053\u3068Neo4j Vector Index \u2015<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>\u3053\u3053\u307e\u3067\u306e\u9023\u8f09\u3067\u306f\u3001\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u306e\u69cb\u7bc9\u306b\u304a\u3051\u308b2\u3064\u306e\u5de5\u7a0b\u306b\u3001\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\uff08LLM\uff09\u3092\u6d3b\u7528\u3057\u3066\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LLM\u3092\u4f7f\u3063\u305f\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0<\/li>\n\n\n\n<li>LLM\u3092\u4f7f\u3063\u3066\u30bd\u30fc\u30b9\u30c7\u30fc\u30bf\u304b\u3089\u30b0\u30e9\u30d5\u69cb\u9020\u3092\u62bd\u51fa\u3057\u3001Python\u3067Cypher\u751f\u6210\u3057\u3001Neo4j\u3078\u767b\u9332<\/li>\n<\/ul>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u305d\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u3057\u3066\u3001<strong>GraphRAG<\/strong>\u3078\u9032\u3080\u305f\u3081\u306b\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u306e\u4e00\u3064\u3067\u3042\u308b<strong>Neo4j Vector Index<\/strong>\u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\u65e2\u6210\u306e\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3092\u4f7f\u3048\u3070\u3001\u30bd\u30fc\u30b9\u30c7\u30fc\u30bf\u304b\u3089GraphRAG\u307e\u3067\u4e00\u6c17\u306b\u69cb\u7bc9\u3067\u304d\u308b\u2500\u2500\n\u305d\u3093\u306a\u30c7\u30e2\u3092\u898b\u3066\u3001\u300c\u3053\u308c\u3067\u5341\u5206\u3067\u306f\uff1f\u300d\u3068\u601d\u3046\u65b9\u3082\u3044\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\n\n\u3067\u3082\u3001\u30bd\u30fc\u30b9\u30b3\u30fc\u30c9\u3092\u3088\u304f\u898b\u308b\u3068\u3001\u3042\u3089\u304b\u3058\u3081\u60f3\u5b9a\u3055\u308c\u305f\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3084\u95a2\u4fc2\u6027\u304c\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u4ed5\u8fbc\u307e\u308c\u3066\u3044\u308b\u3053\u3068\u304c\u591a\u3044\u306e\u3067\u3059\u3002\n\n\u3064\u307e\u308a\u3001\u300c\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u300d\u306e\u90e8\u5206\u306f\u3001\u307e\u3060\u4eba\u306e\u5224\u65ad\u306b\u5f37\u304f\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\n\u4f55\u3092\u60c5\u5831\u3068\u3057\u3066\u6349\u3048\u308b\u304b\u3001\u3069\u3053\u3092\u3064\u306a\u3050\u304b\u3002\u305d\u306e\u8a2d\u8a08\u306f\u3001\u4eca\u306eLLM\u306b\u306f\u96e3\u3057\u3044\u9818\u57df\u3067\u3059\u3002\n\n\u73fe\u6642\u70b9\u3067\u306f\u3001\u30c7\u30fc\u30bf\u30e2\u30c7\u30ea\u30f3\u30b0\u306e\u81ea\u52d5\u5316\u306b\u306f\u660e\u78ba\u306a\u9650\u754c\u304c\u3042\u308a\u307e\u3059\u3002\n\u3082\u3061\u308d\u3093\u3001\u5c06\u6765\u7684\u306b\u306fLLM\u4e3b\u4f53\u3067\u5b8c\u7d50\u3059\u308b\u65e5\u304c\u6765\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002\n\u3067\u3059\u304c\u4eca\u306f\u307e\u3060\u3001\u4eba\u304c\u95a2\u308f\u308b\u4f59\u5730\u306f\u5927\u304d\u3044\u3068\u611f\u3058\u3066\u3044\u307e\u3059\u3002\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">GraphRAG\u3068Neo4j Vector Index<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">GraphRAG\u306e\u610f\u7fa9<\/h3>\n\n\n\n<p>\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\uff08LLM\uff09\u306f\u3001\u81ea\u7136\u306a\u6587\u7ae0\u3092\u751f\u6210\u3059\u308b\u306e\u304c\u3068\u3066\u3082\u5f97\u610f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3067\u3059\u304c\u3001\u300c\u306a\u305c\u305d\u306e\u7b54\u3048\u306b\u306a\u3063\u305f\u306e\u304b\uff1f\u300d\u3068\u3044\u3046\u6839\u62e0\u3092\u8aac\u660e\u3057\u305f\u308a\u3001\u4e8b\u5b9f\u30d9\u30fc\u30b9\u3067\u6b63\u78ba\u306b\u7b54\u3048\u308b\u3053\u3068\u306f\u5c11\u3057\u82e6\u624b\u306a\u3068\u3053\u308d\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u4f7f\u308f\u308c\u3066\u3044\u308b\u306e\u304c RAG\uff08Retrieval-Augmented Generation\uff09 \u3068\u3044\u3046\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8cea\u554f\u306b\u5bfe\u3057\u3066\u300c\u610f\u5473\u304c\u8fd1\u3044\u6587\u7ae0\u3092\u5916\u90e8\u30c7\u30fc\u30bf\u304b\u3089\u63a2\u3057\u3066\u3001\u305d\u306e\u5185\u5bb9\u3092LLM\u306b\u63d0\u4f9b\u3057\u3066\u56de\u7b54\u3092\u4f5c\u308b\u65b9\u6cd5\u3067\u3059\u3002\u305f\u3060\u3001RAG \u3067\u306f\u30d0\u30e9\u30d0\u30e9\u306e\u6587\u7ae0\u65ad\u7247\u3092\u96c6\u3081\u3066\u304f\u308b\u3060\u3051\u306a\u306e\u3067\u3001\u6587\u8108\u304c\u3064\u306a\u304c\u3089\u306a\u304b\u3063\u305f\u308a\u3001\u60c5\u5831\u304c\u65ad\u7247\u7684\u306b\u306a\u308b\u3053\u3068\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u3053\u3067\u767b\u5834\u3059\u308b\u306e\u304cGraphRAG\u3067\u3059\u3002<\/p>\n\n\n\n<p>GraphRAG \u306f\u3001\u6587\u7ae0\u540c\u58eb\u306e\u610f\u5473\u3060\u3051\u3067\u306a\u304f\u3001\u60c5\u5831\u540c\u58eb\u306e\u300c\u3064\u306a\u304c\u308a\u300d\u3084\u300c\u69cb\u9020\u300d\u307e\u3067\u4f7f\u3063\u3066\u56de\u7b54\u3092\u4f5c\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001Embedding \u3092\u4f7f\u3063\u3066\u4f3c\u3066\u3044\u308b\u30ce\u30fc\u30c9\uff08\u60c5\u5831\uff09\u3092\u898b\u3064\u3051\u305f\u3042\u3068\u306b\u3001\u305d\u306e\u30ce\u30fc\u30c9\u304c\u3069\u3093\u306a\u60c5\u5831\u3068\u95a2\u4fc2\u3057\u3066\u3044\u308b\u306e\u304b\u3092\u3001\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u3092\u4f7f\u3063\u3066\u5e83\u3052\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a GraphRAG \u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u300c\u4f3c\u3066\u3044\u308b\u60c5\u5831\u3092\u63a2\u3057\u3066\u7d42\u308f\u308a\u300d\u3067\u306f\u306a\u304f\u3001<\/li>\n\n\n\n<li>\u300c\u95a2\u9023\u3059\u308b\u60c5\u5831\u3092\u5e83\u3052\u3066\u3001\u610f\u5473\u306e\u901a\u3063\u305f\u30fb\u6839\u62e0\u306e\u3042\u308b\u56de\u7b54\u3092\u4f5c\u308b\u300d\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/li>\n<\/ul>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"1025\" height=\"487\" src=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2025\/10\/image-13.png\" alt=\"\" class=\"wp-image-79709\" srcset=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2025\/10\/image-13.png 1025w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2025\/10\/image-13-360x171.png 360w, https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2025\/10\/image-13-768x365.png 768w\" sizes=\"auto, (max-width: 1025px) 100vw, 1025px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Neo4j Vector Index<\/strong><\/h3>\n\n\n\n<p>Neo4j \u306e Vector \u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u6587\u7ae0\u3084\u753b\u50cf\u306a\u3069\u306e\u300c\u610f\u5473\u306e\u8fd1\u3055\u300d\u3092\u3082\u3068\u306b\u4f3c\u3066\u3044\u308b\u3082\u306e\u3092\u63a2\u3059\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u300c\u3042\u308b\u5358\u8a9e\u3084\u6587\u306b\u4f3c\u305f\u610f\u5473\u3092\u6301\u3064\u4ed6\u306e\u8a00\u8449\u3092\u63a2\u3059\u300d\u3068\u3044\u3063\u305f\u3001\u985e\u4f3c\u691c\u7d22\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u3053\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u3001\u300cK\u8fd1\u508d\u6cd5\u300d\u3068\u3044\u3046\u8003\u3048\u65b9\u3092\u3082\u3068\u306b\u3057\u3066\u304a\u308a\u3001\u3042\u308b\u30c7\u30fc\u30bf\u306b\u6700\u3082\u8fd1\u3044\uff08\uff1d\u4f3c\u3066\u3044\u308b\uff09\u3082\u306e\u3092 K \u4ef6\u898b\u3064\u3051\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305d\u306e\u4e2d\u3067\u3082\u3001Neo4j \u306f\u300cHNSW\uff08Hierarchical Navigatable Small World:\u968e\u5c64\u7684\u30ca\u30d3\u30b2\u30fc\u30c8\u53ef\u80fd\u30b9\u30e2\u30fc\u30eb\u30ef\u30fc\u30eb\u30c9\uff09\u300d\u3068\u3044\u3046\u624b\u6cd5\u3092\u4f7f\u3063\u3066\u3044\u3066\u3001\u3053\u308c\u306f\u691c\u7d22\u306e\u30b9\u30d4\u30fc\u30c9\u3068\u6b63\u78ba\u3055\u306e\u30d0\u30e9\u30f3\u30b9\u306b\u512a\u308c\u305f\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3067\u3059\u3002\u305f\u3068\u3048\u3070\u3001\u6a5f\u68b0\u5b66\u7fd2\u30e2\u30c7\u30eb\u3067\u300c\u8a18\u4e8b\u306e\u610f\u5473\u300d\u3092\u6570\u5024\u3067\u8868\u3057\u305f\u30d9\u30af\u30c8\u30eb\uff08\u57cb\u3081\u8fbc\u307f\uff09\u3092\u4f7f\u3048\u3070\u3001\u300c\u610f\u5473\u304c\u8fd1\u3044\u5225\u306e\u8a18\u4e8b\u300d\u3084\u300c\u4f3c\u305f\u8a71\u984c\u306e\u30ce\u30fc\u30c9\u300d\u3092\u30b0\u30e9\u30d5\u306e\u4e2d\u304b\u3089\u63a2\u3057\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306f\u3001Meta\uff08Facebook\uff09\u306a\u3069\u304c\u958b\u767a\u3057\u3001\u73fe\u5728\u6700\u3082\u9ad8\u6027\u80fd\u306a\u30d9\u30af\u30c8\u30eb\u691c\u7d22\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u306e1\u3064\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Full-text Index \u3068 Vector Index\u306e\u9055\u3044<\/strong><\/h3>\n\n\n\n<p><strong>Full-text Index:\u300c\u6587\u5b57\u306e\u4e00\u81f4\u300d\u3067\u63a2\u3059<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ed5\u7d44\u307f: \u6587\u7ae0\u3092\u5358\u8a9e\u306b\u5206\u89e3\u3057\u3066\u3001\u305d\u306e\u5358\u8a9e\u3067\u300c\u5b8c\u5168\u4e00\u81f4\u300d\u307e\u305f\u306f\u300c\u90e8\u5206\u4e00\u81f4\u300d\u3092\u63a2\u3059<\/li>\n\n\n\n<li>\u8a18\u4e8b: \"GitLab\u3067DevOps\u3092\u5b9f\u8df5\u3059\u308b\u65b9\u6cd5\"\n<ul class=\"wp-block-list\">\n<li>\u691c\u7d22: \"GitLab\" \u2192  \u30d2\u30c3\u30c8(\u6587\u5b57\u304c\u4e00\u81f4)<\/li>\n\n\n\n<li>\u691c\u7d22: \"DevOps\" \u2192 \u30d2\u30c3\u30c8(\u6587\u5b57\u304c\u4e00\u81f4)<\/li>\n\n\n\n<li>\u691c\u7d22: \"CI\/CD\" \u2192 \u30d2\u30c3\u30c8\u3057\u306a\u3044(\u6587\u5b57\u304c\u542b\u307e\u308c\u3066\u3044\u306a\u3044)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7279\u5fb4:\n<ul class=\"wp-block-list\">\n<li>\u901f\u3044<\/li>\n\n\n\n<li>\u30b7\u30f3\u30d7\u30eb<\/li>\n\n\n\n<li>\u3067\u3082\u300c\u610f\u5473\u300d\u306f\u7406\u89e3\u3057\u306a\u3044<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>Vector Index:\u300c\u610f\u5473\u306e\u8fd1\u3055\u300d\u3067\u63a2\u3059<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u4ed5\u7d44\u307f: \u6587\u7ae0\u3092\u6570\u5024\u306e\u914d\u5217(\u30d9\u30af\u30c8\u30eb)\u306b\u5909\u63db\n<ul class=\"wp-block-list\">\n<li>\u6570\u5024\u306e\u8fd1\u3055 = \u610f\u5473\u306e\u8fd1\u3055<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u8a18\u4e8b: \"GitLab\u3067DevOps\u3092\u5b9f\u8df5\u3059\u308b\u65b9\u6cd5\"\n<ul class=\"wp-block-list\">\n<li>\u30d9\u30af\u30c8\u30eb\u5316: [0.2, 0.8, 0.3, 0.6, ...]<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u691c\u7d22: \"CI\/CD \u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u69cb\u7bc9\"\n<ul class=\"wp-block-list\">\n<li>\u30d9\u30af\u30c8\u30eb\u5316: [0.22, 0.78, 0.32, 0.58, ...]<\/li>\n\n\n\n<li>\u30d2\u30c3\u30c8!(\u6570\u5024\u304c\u8fd1\u3044 = \u610f\u5473\u304c\u4f3c\u3066\u3044\u308b)<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u7279\u5fb4:\n<ul class=\"wp-block-list\">\n<li>\u5358\u8a9e\u304c\u9055\u3063\u3066\u3082\u610f\u5473\u304c\u4f3c\u3066\u3044\u308c\u3070\u898b\u3064\u304b\u308b<\/li>\n\n\n\n<li>\u3088\u308a\u4eba\u9593\u306e\u611f\u899a\u306b\u8fd1\u3044\u691c\u7d22<\/li>\n\n\n\n<li>\u8a08\u7b97\u30b3\u30b9\u30c8\u304c\u9ad8\u3044<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><strong>\u6bd4\u8f03\u8868<\/strong><\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u9805\u76ee<\/th><th>Full-text Index<\/th><th>Vector Index<\/th><\/tr><\/thead><tbody><tr><td>\u63a2\u3057\u65b9<\/td><td>\u6587\u5b57\u306e\u4e00\u81f4<\/td><td>\u610f\u5473\u306e\u8fd1\u3055<\/td><\/tr><tr><td>\u300cGitLab\u300d\u3067\u300cCI\/CD\u300d\u8a18\u4e8b<\/td><td>\u898b\u3064\u304b\u3089\u306a\u3044<\/td><td>\u898b\u3064\u304b\u308b<\/td><\/tr><tr><td>\u901f\u5ea6<\/td><td>\u901f\u3044<\/td><td>\u3084\u3084\u9045\u3044<\/td><\/tr><tr><td>\u7cbe\u5ea6<\/td><td>\u5b8c\u5168\u4e00\u81f4\u306e\u307f<\/td><td>\u610f\u5473\u7684\u985e\u4f3c\u6027<\/td><\/tr><tr><td>\u7528\u9014<\/td><td>\u30ad\u30fc\u30ef\u30fc\u30c9\u691c\u7d22<\/td><td>\u95a2\u9023\u30b3\u30f3\u30c6\u30f3\u30c4\u767a\u898b<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Neo4j \u306e\u30d9\u30af\u30c8\u30eb\u3068\u57cb\u3081\u8fbc\u307f(Embedding)<\/strong><\/h3>\n\n\n\n<p>Vector Index\u3092\u4f7f\u3046\u3068\u3001\u6587\u7ae0\u3084\u753b\u50cf\u306a\u3069\u306e\u300c\u610f\u5473\u306e\u8fd1\u3055\u300d\u306b\u57fa\u3065\u3044\u3066\u3001\u4f3c\u305f\u30c7\u30fc\u30bf\u3092\u691c\u7d22\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002\u305f\u3068\u3048\u3070\u300cAI\u3068\u306f\u4f55\u304b\uff1f\u300d\u3068\u3044\u3046\u6587\u7ae0\u3068\u3001\u300c\u4eba\u5de5\u77e5\u80fd\u306e\u4ed5\u7d44\u307f\u306b\u3064\u3044\u3066\u300d\u3068\u3044\u3046\u6587\u7ae0\u304c\u300c\u610f\u5473\u7684\u306b\u4f3c\u3066\u3044\u308b\u300d\u3068\u5224\u65ad\u3067\u304d\u308b\u3088\u3046\u306b\u3001<\/p>\n\n\n\n<p>\u6587\u7ae0\u3084\u753b\u50cf\u306e\u7279\u5fb4\u3092\u6570\u5024\uff08\u30d9\u30af\u30c8\u30eb\uff09\u3067\u8868\u73fe\u3059\u308b\u306e\u304c\u300c\u57cb\u3081\u8fbc\u307f\uff08embedding\uff09\u300d\u3067\u3059\u3002\u3053\u3046\u3057\u305f\u57cb\u3081\u8fbc\u307f\u306f\u3001OpenAI \u3084 Google Vertex AI \u306e\u3088\u3046\u306a\u30b5\u30fc\u30d3\u30b9\u3084\u3001sentence-transformers \u306e\u3088\u3046\u306a\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\u30c4\u30fc\u30eb\u3067\u81ea\u52d5\u7684\u306b\u4f5c\u308c\u307e\u3059\u3002\u30d9\u30af\u30c8\u30eb\u306e\u5927\u304d\u3055\uff08\u6b21\u5143\u6570\uff09\u306f\u3001256\u3001768\u30011536\u306a\u3069\u3055\u307e\u3056\u307e\u3067\u3059\u3002<\/p>\n\n\n\n<p>Neo4j\u3067\u306f\u3001\u3053\u306e\u30d9\u30af\u30c8\u30eb\u57cb\u3081\u8fbc\u307f\u3092\u30ce\u30fc\u30c9\u3084\u30ea\u30ec\u30fc\u30b7\u30e7\u30f3\u30b7\u30c3\u30d7\u306e\u4e00\u90e8\u3068\u3057\u3066\u4fdd\u5b58\u3067\u304d\u308b\u305f\u3081\u3001\u300c\u3053\u306e\u6587\u306b\u4f3c\u305f\u5185\u5bb9\u306e\u30ce\u30fc\u30c9\u306f\u3069\u308c\u304b\uff1f\u300d\u3068\u3044\u3046\u691c\u7d22\u304c\u9ad8\u901f\u306b\u5b9f\u884c\u3067\u304d\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Vector Index\uff08\u30d9\u30af\u30c8\u30eb\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\uff09\u306e\u4f4d\u7f6e\u3065\u3051\u3068\u5f79\u5272<\/strong><\/h3>\n\n\n\n<p>Vector Index\u306f\u3001\u30c6\u30ad\u30b9\u30c8\u3084\u753b\u50cf\u3001\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306a\u3069\u3092\u300c\u610f\u5473\u300d\u306b\u57fa\u3065\u3044\u3066\u691c\u7d22\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3067\u3059\u3002GraphRAG \u3067\u306f\u3001\u3053\u306eVector Index\u304c\u691c\u7d22\u306e\u300c\u30b9\u30bf\u30fc\u30c8\u5730\u70b9\u300d\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u30e6\u30fc\u30b6\u30fc\u306e\u8cea\u554f\u3092\u307e\u305a\u6570\u5024\uff08\u30d9\u30af\u30c8\u30eb\uff09\u306b\u5909\u63db<\/li>\n\n\n\n<li>\u305d\u306e\u6570\u5024\u306b\u300c\u610f\u5473\u304c\u8fd1\u3044\u300d\u30ce\u30fc\u30c9\uff08\u60c5\u5831\uff09\u3092Vector Index\u3067\u898b\u3064\u3051\u308b<\/li>\n\n\n\n<li>\u898b\u3064\u3051\u305f\u30ce\u30fc\u30c9\u3092\u51fa\u767a\u70b9\u306b\u3057\u3066\u3001\u305d\u306e\u30ce\u30fc\u30c9\u3068\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u95a2\u9023\u60c5\u5831\u3092\u3001\u77e5\u8b58\u30b0\u30e9\u30d5\u306e\u69cb\u9020\u3092\u4f7f\u3063\u3066\u305f\u3069\u3063\u3066\u3044\u304f<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e\u6d41\u308c\u306b\u3088\u3063\u3066\u3001\u300c\u4f3c\u3066\u3044\u308b\u60c5\u5831\u300d\u3092\u62fe\u3046\u3060\u3051\u3067\u306a\u304f\u3001\u300c\u3069\u3046\u3064\u306a\u304c\u3063\u3066\u3044\u308b\u304b\u300d\u3068\u3044\u3046\u6587\u8108\u3082\u52a0\u3048\u306a\u304c\u3089\u3001\u3088\u308a\u6df1\u304f\u6b63\u78ba\u306a\u7b54\u3048\u3092\u5c0e\u304d\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3064\u307e\u308a\u3001Vector Index\u306f\u300c\u610f\u5473\u304c\u8fd1\u3044\u60c5\u5831\u3092\u898b\u3064\u3051\u308b\u5165\u53e3\u300d\u3067\u3042\u308a\u3001GraphRAG \u306f\u305d\u3053\u304b\u3089\u77e5\u8b58\u306e\u5e83\u304c\u308a\u3092\u305f\u3069\u3063\u3066\u7b54\u3048\u3092\u6df1\u3081\u3066\u3044\u304f\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Neo4j Vector Index\u306e\u4f5c\u6210\u65b9\u6cd5<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">\u30b0\u30e9\u30d5\u30d5\u30a1\u30fc\u30b9\u30c8(Graph-First)<\/h3>\n\n\n\n<p>\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u307e\u305a\u65e2\u5b58\u306e\u30b0\u30e9\u30d5\u306bVector Index\u3092\u4f5c\u6210\u3057\u3001\u305d\u306e\u3042\u3068\u3067\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u4f7f\u3063\u3066 Embedding \u3092\u5b9f\u884c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ee5\u4e0b\u306e\u4f8b\u3067\u306f\u3001<code>BlogPost<\/code> \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u3068 <code>Keyword<\/code> \u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306b\u5bfe\u3057\u3066Vector Index\u3092\u5ba3\u8a00\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u901a\u5e38\u306e\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3068\u7570\u306a\u308a\u3001\u3053\u306e\u6bb5\u968e\u3067\u30d9\u30af\u30c8\u30eb\u304c\u751f\u6210\u3055\u308c\u308b\u308f\u3051\u3067\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u3042\u304f\u307e\u3067\u3082\u3001\u5f8c\u304b\u3089\u30d9\u30af\u30c8\u30eb\u304c\u5165\u308b\u3053\u3068\u3092\u524d\u63d0\u3068\u3057\u305f\u7a7a\u9593\u3092\u5148\u306b\u7528\u610f\u3057\u3066\u304a\u304f\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<p><strong>Vector Index\u306e\u4f5c\u6210<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ BlogPost\u7528\u306eVector Index\u4f5c\u6210\nCREATE VECTOR INDEX blog_post_embeddings \nFOR (bp:BlogPost) ON bp.abstract_embedding\nOPTIONS {indexConfig: {\n    `vector.dimensions`: 1024,\n    `vector.similarity_function`: 'cosine'\n}}\n\n\/\/ Keyword\u7528\u306eVector Index\u4f5c\u6210\nCREATE VECTOR INDEX keyword_embeddings \nFOR (k:Keyword) ON k.word_embedding\nOPTIONS {indexConfig: {\n    `vector.dimensions`: 384,\n    `vector.similarity_function`: 'cosine'\n}}\n\nSHOW INDEXES;\n\n<\/code><\/pre>\n\n\n\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067Embedding\u3092\u5b9f\u884c\u3059\u308b\u4f8b<\/strong><\/p>\n\n\n\n<p>\u524d\u9805\u3067\u306f\u3001Vector Index\u306e\u5ba3\u8a00\u306f\u300c\u30d9\u30af\u30c8\u30eb\u3092\u683c\u7d0d\u3059\u308b\u305f\u3081\u306e\u7a7a\u9593\u3092\u5148\u306b\u7528\u610f\u3057\u3066\u304a\u304f\u300d\u30a4\u30e1\u30fc\u30b8\u3060\u3068\u8aac\u660e\u3057\u307e\u3057\u305f\u3002\u3053\u3053\u3067\u306f\u3001\u5b9f\u969b\u306b\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u304b\u3089\u30d9\u30af\u30c8\u30eb\u3092\u767b\u9332\u3059\u308b\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u4f7f\u3063\u3066\u8aac\u660e\u3057\u307e\u3059\u3002\u4ee5\u4e0b\u3067\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5185\u306e\u51e6\u7406\u9806\u306b\u5f93\u3063\u3066\u30012\u3064\u306e\u5c5e\u6027\u3092\u8aad\u307f\u8fbc\u307f\u3001Embedding \u3092\u5b9f\u884c\u3057\u3066\u3044\u308b\u69d8\u5b50\u3092\u8ffd\u3063\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>BlogPost.abstract\n<ul class=\"wp-block-list\">\n<li>\u2460\u2192\u2461\u2192\u2462\u2192\u2463\u2192\u2464<\/li>\n\n\n\n<li>BlogPost.url\u306f\u30ce\u30fc\u30c9\u3092\u691c\u7d22\u3059\u308b\u305f\u3081\u306e\u30ad\u30fc<\/li>\n\n\n\n<li>BlogPost.abstract\u306fEmbedding\u306e\u305f\u3081\u306e\u30ad\u30fc<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Keyword.word\n<ul class=\"wp-block-list\">\n<li>\u2460\u2192\u2465\u2192\u2466\u2192\u2463\u2192\u2467<\/li>\n\n\n\n<li>Keyword.word\u306f\u3001\u30ce\u30fc\u30c9\u691c\u7d22\u306e\u305f\u3081\u306e\u30ad\u30fc\u3067\u3042\u308b\u3068\u540c\u6642\u306bEmbedding\u306e\u305f\u3081\u306e\u30ad\u30fc<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import json\nimport boto3\nfrom dotenv import load_dotenv\nimport os\nfrom neo4j import GraphDatabase\n\n# \u74b0\u5883\u5909\u6570\u306e\u8aad\u307f\u8fbc\u307f\nload_dotenv()\n\n# AWS Bedrock\u521d\u671f\u5316\nbedrock_runtime = boto3.client(\n    service_name='bedrock-runtime',\n    region_name=os.getenv(\"AWS_REGION\", \"ap-northeast-1\"),\n    aws_access_key_id=os.getenv(\"AWS_ACCESS_KEY_ID\"),\n    aws_secret_access_key=os.getenv(\"AWS_SECRET_ACCESS_KEY\")\n)\n\n# Neo4j\u521d\u671f\u5316\nneo4j_driver = GraphDatabase.driver(\n    \"bolt:\/\/localhost:7687\", \n    auth=(\"neo4j\", os.getenv('NEO4J_PASSWORD'))\n)\n\n# \u2463Embedding\u3092\u5b9f\u884c\ndef generate_embedding(text, dimensions=None):\n    \"\"\"\u30c6\u30ad\u30b9\u30c8\u304b\u3089\u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u3092\u751f\u6210 (Titan Text Embeddings V2)\"\"\"\n    # \u5165\u529b\u691c\u8a3c\n    if not text or not isinstance(text, str):\n        raise ValueError(f\"Invalid text input: {repr(text)}\")\n    \n    # \u7a7a\u767d\u306e\u307f\u306e\u6587\u5b57\u5217\u3092\u30c1\u30a7\u30c3\u30af\n    if not text.strip():\n        raise ValueError(f\"Text is empty or whitespace only: {repr(text)}\")\n    \n    # \u30ea\u30af\u30a8\u30b9\u30c8\u30dc\u30c7\u30a3 (\u30b7\u30f3\u30d7\u30eb\u7248 - normalize\u3092\u524a\u9664)\n    body_dict = {\"inputText\": text}\n    \n    # \u6b21\u5143\u6570\u6307\u5b9a\u304c\u3042\u308b\u5834\u5408\u306e\u307f\u8ffd\u52a0\n    if dimensions:\n        body_dict&#91;\"dimensions\"] = dimensions\n    \n    body = json.dumps(body_dict)\n    \n    try:\n        response = bedrock_runtime.invoke_model(\n            modelId='amazon.titan-embed-text-v2:0',\n            body=body\n        )\n        \n        response_body = json.loads(response&#91;'body'].read())\n        return response_body&#91;'embedding']\n    except Exception as e:\n        print(f\"ERROR generating embedding for text: {text&#91;:100]}...\")\n        print(f\"Dimensions: {dimensions}\")\n        raise e\n\ndef add_embeddings_from_json(json_file_path):\n    \"\"\"JSON\u304b\u3089\u30c7\u30fc\u30bf\u3092\u53d6\u5f97\u3057\u3066\u65e2\u5b58\u30b0\u30e9\u30d5\u306b\u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u3092\u8ffd\u52a0\"\"\"\n    # \u2460\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u3092\u8aad\u3080\n    with open(json_file_path, 'r', encoding='utf-8') as f:\n        data = json.load(f)\n    \n    with neo4j_driver.session() as session:\n        # 1. BlogPost\u30ce\u30fc\u30c9\u306b\u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0(1\u3064\u306e\u307f)\n        blog_post_node = next((node for node in data&#91;'nodes'] if 'BlogPost' in node&#91;'labels']), None)\n        \n        if blog_post_node:\n            # \u2461url(\u691c\u7d22\u30ad\u30fc)\u3068abstract(Embedding\u5bfe\u8c61)\u3092\u62bd\u51fa\n            url = blog_post_node&#91;'properties']&#91;'url']\n            abstract = blog_post_node&#91;'properties'].get('abstract')\n            \n            if abstract:\n                # \u2462Embedding\u3092\u4f9d\u983c (\u30c7\u30d5\u30a9\u30eb\u30c8\u6b21\u5143\u6570\u3092\u4f7f\u7528)\n                embedding = generate_embedding(abstract)\n                \n                # \u2464url\u3067\u30ce\u30fc\u30c9\u3092\u691c\u7d22\u3057\u3066abstract_embedding\u5c5e\u6027\u3092\u8ffd\u52a0\n                session.run(\"\"\"\n                    MATCH (bp:BlogPost {url: $url})\n                    SET bp.abstract_embedding = $embedding\n                \"\"\", url=url, embedding=embedding)\n                \n                print(f\"\u2713 BlogPost \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: {blog_post_node&#91;'properties']&#91;'title']}\")\n        \n        # 2. \u5168\u3066\u306eKeyword\u30ce\u30fc\u30c9\u306b\u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0(\u8907\u6570\u306e\u305f\u3081\u306b)\n        # \u2465\u5404Keyword\u30ce\u30fc\u30c9\u3092\u51e6\u7406\n        for node in data&#91;'nodes']:\n            if 'Keyword' in node&#91;'labels']:\n                word = node&#91;'properties']&#91;'word']\n                \n                # \u2466Embedding\u3092\u4f9d\u983c (\u30c7\u30d5\u30a9\u30eb\u30c8\u6b21\u5143\u6570\u3092\u4f7f\u7528)\n                embedding = generate_embedding(word)\n                \n                # \u2467\u30ef\u30fc\u30c9\u3067\u691c\u7d22\u3057\u3001word_embedding\u5c5e\u6027\u3092\u8ffd\u52a0\n                session.run(\"\"\"\n                    MATCH (k:Keyword {word: $word})\n                    SET k.word_embedding = $embedding\n                \"\"\", word=word, embedding=embedding)\n                \n                print(f\"\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: {word}\")\n\n# \u30e1\u30a4\u30f3\u51e6\u7406\nif __name__ == \"__main__\":\n    # JSON\u304b\u3089\u53d6\u5f97\u3057\u3066\u65e2\u5b58\u30b0\u30e9\u30d5\u306b\u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0\n    add_embeddings_from_json('..\/graph_extract\/tech-blog_agile-devops_76256_graph.json')\n    \n    # \u30af\u30ea\u30fc\u30f3\u30a2\u30c3\u30d7\n    neo4j_driver.close()\n    \n    print(\"\\nJSON\u304b\u3089\u53d6\u5f97\u3057\u305f\u30c7\u30fc\u30bf\u3067\u65e2\u5b58\u30b0\u30e9\u30d5\u3078\u306e\u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f!\")\n\n<a href=\"https:\/\/github.com\/awk256\/neo4j-lab-semantic-model\">https:\/\/github.com\/awk256\/neo4j-lab-semantic-model<\/a><\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code>$ python vector_index_set_with_aws.py\n\u2713 BlogPost \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u3010Agile Kata Series\u3011Part 1 : \u30a2\u30b8\u30e3\u30a4\u30eb\u306e\u30ab\u30bf\u306e\u6982\u8981\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u30a2\u30b8\u30e3\u30a4\u30eb\u306e\u30ab\u30bf\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u6539\u5584\u306e\u30ab\u30bf\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u30b3\u30fc\u30c1\u30f3\u30b0\u306e\u30ab\u30bf\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u30c8\u30e8\u30bf\u306e\u30ab\u30bf\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u30ec\u30c8\u30ed\u30b9\u30da\u30af\u30c6\u30a3\u30d6\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u30b9\u30af\u30e9\u30e0\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u30ab\u30f3\u30d0\u30f3\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: EBM\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u30a2\u30b8\u30e3\u30a4\u30eb\u30de\u30a4\u30f3\u30c9\u30bb\u30c3\u30c8\n\u2713 Keyword \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0: \u4fa1\u5024\u306b\u57fa\u3065\u304f\u8a08\u6e2c\n\nJSON\u304b\u3089\u53d6\u5f97\u3057\u305f\u30c7\u30fc\u30bf\u3067\u65e2\u5b58\u30b0\u30e9\u30d5\u3078\u306e\u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u8ffd\u52a0\u304c\u5b8c\u4e86\u3057\u307e\u3057\u305f!<\/code><\/pre>\n\n\n\n<p>\u3053\u306e\u51e6\u7406\u3067\u306f\u3001\u3042\u3089\u304b\u3058\u3081\u5b58\u5728\u3057\u3066\u3044\u308b\u30b0\u30e9\u30d5\u306b\u5bfe\u3057\u3066\u3001\u3042\u3068\u304b\u3089Vector Index\u3092\u8ffd\u52a0\u3057\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3057\u3001\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u306f\u30bd\u30fc\u30b9\u30c7\u30fc\u30bf\u306e\u5b58\u5728\u304c\u524d\u63d0\u3068\u306a\u308b\u305f\u3081\u3001\u30bd\u30fc\u30b9\u30c7\u30fc\u30bf\u304c\u6b8b\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u65e2\u5b58\u306e\u30b0\u30e9\u30d5\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u306a\u3069\u3001\u5225\u306e\u65b9\u6cd5\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u30d9\u30af\u30c8\u30eb\u30d5\u30a1\u30fc\u30b9\u30c8(Vector-First)<\/strong><\/h3>\n\n\n\n<p>\u3053\u306e\u65b9\u6cd5\u3067\u306f\u3001\u6700\u521d\u304b\u3089\u57cb\u3081\u8fbc\u307f\uff08Embedding\uff09\u3092\u542b\u3081\u3066\u30ce\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<br>\u30b0\u30e9\u30d5\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08\u6bb5\u968e\u304b\u3089GraphRAG \u306e\u6d3b\u7528\u3092\u60f3\u5b9a\u3057\u3066\u304a\u308a\u3001\u691c\u7d22\u306b\u4f7f\u3046\u9805\u76ee\u304c\u4e88\u6e2c\u3067\u304d\u308b\u5834\u5408\u306b\u306f\u3001\u3053\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u304c\u3088\u308a\u52b9\u679c\u7684\u304b\u3082\u77e5\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p><strong>Vector Index\u306e\u4f5c\u6210<\/strong><\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ BlogPost\u7528\u306eVector Index\u4f5c\u6210\nCREATE VECTOR INDEX blog_post_embeddings \nFOR (bp:BlogPost) ON bp.abstract_embedding\nOPTIONS {indexConfig: {\n    `vector.dimensions`: 1024,\n    `vector.similarity_function`: 'cosine'\n}}\n\n\/\/ Keyword\u7528\u306eVector Index\u4f5c\u6210\nCREATE VECTOR INDEX keyword_embeddings \nFOR (k:Keyword) ON k.word_embedding\nOPTIONS {indexConfig: {\n    `vector.dimensions`: 384,\n    `vector.similarity_function`: 'cosine'\n}}\n\nSHOW INDEXES;<\/code><\/pre>\n\n\n\n<p><strong>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067Embedding\u3092\u5b9f\u884c\u3059\u308b\u4f8b<\/strong><\/p>\n\n\n\n<p>\u30d9\u30af\u30c8\u30eb\u30d5\u30a1\u30fc\u30b9\u30c8\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3067\u3082\u3001\u57fa\u672c\u7684\u306a\u5b9f\u88c5\u306e\u6d41\u308c\u306f\u30b0\u30e9\u30d5\u30d5\u30a1\u30fc\u30b9\u30c8\u3068\u307b\u3068\u3093\u3069\u540c\u3058\u3067\u3059\u3002<br>\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u5074\u3067 Embedding \u3092\u5b9f\u884c\u3057\u3001\u305d\u306e\u30d9\u30af\u30c8\u30eb\u60c5\u5831\u3092\u542b\u3081\u3066 Cypher \u3067\u30ce\u30fc\u30c9\u3092\u4f5c\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u9055\u3044\u306f\u30b7\u30f3\u30d7\u30eb\u3067\u3001\u30ce\u30fc\u30c9\u4f5c\u6210\u306e\u6642\u70b9\u3067 Embedding \u3092\u5b9f\u884c\u3057\u3066\u304a\u304f\u304b\u3069\u3046\u304b\u3068\u3044\u3046\u70b9\u3060\u3051\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>         # BlogPost\u306eEmbedding\u3092\u542b\u3081\u3066\u30ce\u30fc\u30c9\u4f5c\u6210\n         session.run(\"\"\"\n              CREATE (bp:BlogPost {\n                  title: $title,\n                  url: $url,\n                  abstract: $abstract,\n                  published_date: date($published_date),\n                  abstract_embedding: $embedding\n              })\n         \"\"\", \n              title=props&#91;'title'],\n              url=props&#91;'url'],\n              abstract=abstract,\n              published_date=props.get('published_date'),\n              embedding=abstract_embedding\n         )\n            \n         # Keyword\u306eEmbedding\u3092\u542b\u3081\u3066\u30ce\u30fc\u30c9\u4f5c\u6210\n         session.run(\"\"\"\n             CREATE (k:Keyword {\n                 word: $word,\n                 normalized: $normalized,\n                 type: $type,\n                 domain: $domain,\n                 word_embedding: $embedding\n             })\n         \"\"\",\n             word=word,\n             normalized=props.get('normalized'),\n             type=props.get('type'),\n             domain=props.get('domain'),\n             embedding=word_embedding\n         )\n                \n<\/code><\/pre>\n\n\n\n<pre class=\"wp-block-code\"><code><strong><strong>&#91;\u30b0\u30e9\u30d5\u30d5\u30a1\u30b9\u30c8 vs \u30d9\u30af\u30c8\u30eb\u30d5\u30a1\u30fc\u30b9\u30c8]<\/strong><\/strong>\n\u30b0\u30e9\u30d5\u30d5\u30a1\u30fc\u30b9\u30c8\u3068\u30d9\u30af\u30c8\u30eb\u30d5\u30a1\u30fc\u30b9\u30c8\u306e\u3069\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u304b\u306f\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u67d4\u8edf\u306b\u5224\u65ad\u3059\u308b\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002\u5fc5\u305a\u3053\u3061\u3089\u3092\u9078\u3076\u3079\u304d\u3001\u3068\u3044\u3046\u6c7a\u307e\u3063\u305f\u30eb\u30fc\u30eb\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5b9f\u969b\u306b\u306f\u3001\u4e21\u8005\u3092\u4f75\u7528\u3059\u308b\u30b1\u30fc\u30b9\u3082\u60f3\u5b9a\u3055\u308c\u307e\u3059\u304c\u3001\u305d\u3082\u305d\u3082\u3053\u306e\u5206\u91ce\u306f\u307e\u3060\u65b0\u3057\u304f\u3001\u5177\u4f53\u7684\u306a\u904b\u7528\u4e8b\u4f8b\u304c\u591a\u304f\u306f\u306a\u3044\u306e\u304c\u73fe\u72b6\u3067\u3059\u3002\u3060\u304b\u3089\u3053\u305d\u3001\u81ea\u5206\u305f\u3061\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u5408\u3063\u305f\u3084\u308a\u65b9\u3092\u8a66\u3057\u306a\u304c\u3089\u63a2\u3063\u3066\u3044\u304f\u59ff\u52e2\u304c\u6c42\u3081\u3089\u308c\u307e\u3059\u3002\n\n<\/code><\/pre>\n\n\n\n<h2 class=\"wp-block-heading\">TIPs<\/h2>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001<strong>Vector Index <\/strong>\u3092\u5b9f\u88c5\u30fb\u904b\u7528\u3059\u308b\u969b\u306b\u5f79\u7acb\u3064\u30dd\u30a4\u30f3\u30c8\u3084\u6ce8\u610f\u70b9\u3092\u3001\u8c46\u77e5\u8b58\u3068\u3057\u3066\u3044\u304f\u3064\u304b\u7d39\u4ecb\u3057\u3066\u3044\u307e\u3059\u3002<br>\u300c\u3053\u308c\u3001\u6700\u521d\u306b\u77e5\u3063\u3066\u304a\u304d\u305f\u304b\u3063\u305f\u2026\u300d\u3068\u3044\u3046\u5185\u5bb9\u3082\u3042\u308b\u304b\u3082\u3057\u308c\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Embedding \u306e\u6b21\u5143\u6570\uff08<code>vector.dimensions<\/code>\uff09\u306f\u3069\u3046\u6c7a\u3081\u308b?<\/h3>\n\n\n\n<pre class=\"wp-block-code\"><code>-- vector.dimensions: \u30a8\u30f3\u30d9\u30c7\u30a3\u30f3\u30b0\u30d9\u30af\u30c8\u30eb\u306e\u6b21\u5143\u6570\nCREATE VECTOR INDEX test_index FOR (n:Node) ON n.embedding\nOPTIONS {indexConfig: {\n    `vector.dimensions`: 1024,  -- \u3053\u306e\u5024\u306e\u610f\u5473\u3068\u5236\u9650\n    `vector.similarity_function`: 'cosine'\n}}<\/code><\/pre>\n\n\n\n<p>Embedding \u306e\u6b21\u5143\u6570\uff08vector.dimensions\uff09\u306f\u3001\u3069\u306e\u3088\u3046\u306b\u6c7a\u3081\u308c\u3070\u3044\u3044\u306e\u3067\u3057\u3087\u3046\u304b\uff1f<\/p>\n\n\n\n<p>\u5b9f\u306f\u3001\u3053\u306e\u6570\u5024\u306f \u4f7f\u7528\u3059\u308b Embedding \u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u57fa\u672c\u7684\u306b\u6c7a\u307e\u3063\u3066\u3044\u307e\u3059\u3002\u56fa\u5b9a\u306e\u6b21\u5143\u6570\u306e\u30e2\u30c7\u30eb\u3082\u3042\u308c\u3070\u3001256\u30fb512\u30fb1024\u306a\u3069\u8907\u6570\u306e\u30b5\u30a4\u30ba\u3092\u9078\u3079\u308b\u30e2\u30c7\u30eb\u3082\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3068\u3048\u3070\u3001\u4eca\u56de\u306e\u6982\u5ff5\u691c\u8a3c\u3067\u4f7f\u7528\u3057\u3066\u3044\u308b Amazon Titan Text Embeddings V2 \u306f\u3001\u6b21\u5143\u6570\u3068\u3057\u3066 256\u30fb512\u30fb1024\uff08\u30c7\u30d5\u30a9\u30eb\u30c8\uff09 \u304b\u3089\u9078\u629e\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u4f5c\u6210\u3057\u305f Vector Index \u306e\u6b21\u5143\u6570\u306f\u3001\u3042\u3068\u304b\u3089\u5909\u66f4\u3067\u304d\u307e\u305b\u3093\u3002\u3082\u3061\u308d\u3093\u3001\u3042\u3068\u304b\u3089\u4f5c\u308a\u76f4\u3059\u3068\u3044\u3046\u9078\u629e\u80a2\u3082\u3042\u308a\u307e\u3059\u304c\u3001\u518d\u69cb\u7bc9\u306b\u306f\u624b\u9593\u304c\u304b\u304b\u308b\u305f\u3081\u3001\u7528\u9014\u3092\u898b\u636e\u3048\u3066\u6700\u521d\u306b\u6c7a\u3081\u3066\u304a\u304f\u306e\u304c\u304a\u3059\u3059\u3081\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u9ad8\u6b21\u5143 or \u4e2d\u6b21\u5143 or \u4f4e\u6b21\u5143\u3001\u3069\u3046\u9078\u3076<\/h3>\n\n\n\n<p>Neo4j \u81ea\u4f53\u306f\u3001\u7279\u5b9a\u306e LLM \u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u3084 Embedding \u30e2\u30c7\u30eb\u306b\u5236\u9650\u3092\u8a2d\u3051\u3066\u3044\u307e\u305b\u3093\u3002<br>\u3064\u307e\u308a\u3001Azure OpenAI\u3001OpenAI\u3001Vertex AI\u3001Amazon Bedrock\u3001Cohere\u3001Hugging Face \u306a\u3069\u3001\u597d\u304d\u306a\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u306e\u591a\u69d8\u306a\u30e2\u30c7\u30eb\u3092\u81ea\u7531\u306b\u4f7f\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u305f\u3060\u3057\u3001\u9078\u3093\u3060\u30e2\u30c7\u30eb\u306b\u3088\u3063\u3066\u751f\u6210\u3055\u308c\u308b\u300c\u30d9\u30af\u30c8\u30eb\u306e\u6b21\u5143\u6570\u300d\u304c\u5909\u308f\u308a\u307e\u3059\u3002<br>\u3053\u306e\u6b21\u5143\u6570\u304c\u3001\u691c\u7d22\u306e\u7cbe\u5ea6\u30fb\u51e6\u7406\u306e\u30b3\u30b9\u30c8\u30fb\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306a\u3069\u306b\u5927\u304d\u304f\u5f71\u97ff\u3059\u308b\u305f\u3081\u3001\u7528\u9014\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u6b21\u5143\u6570\u3092\u9078\u3076\u3053\u3068\u304c\u5927\u5207\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u9ad8\u6b21\u5143\u30e2\u30c7\u30eb\uff081024\u301c\uff09\n<ul class=\"wp-block-list\">\n<li>\u6587\u8108\u7406\u89e3\u529b\u304c\u9ad8\u304f\u3001\u9577\u6587\u306b\u3082\u5bfe\u5fdc\u3057\u3084\u3059\u3044<\/li>\n\n\n\n<li>\u8cea\u306e\u9ad8\u3044\u691c\u7d22\u7d50\u679c\u304c\u5f97\u3089\u308c\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b<\/li>\n\n\n\n<li>\u305f\u3060\u3057\u3001\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3084\u51e6\u7406\u30b3\u30b9\u30c8\u304c\u9ad8\u3081<\/li>\n\n\n\n<li>\u5411\u3044\u3066\u3044\u308b\u7528\u9014\uff1a\n<ul class=\"wp-block-list\">\n<li>\u30d6\u30ed\u30b0\u8a18\u4e8b\u3084\u30ec\u30dd\u30fc\u30c8\u306e\u5168\u6587\u691c\u7d22<\/li>\n\n\n\n<li>\u8907\u6570\u30c8\u30d4\u30c3\u30af\u3092\u542b\u3080\u9577\u6587\u3078\u306e\u5fdc\u7b54\u751f\u6210<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4e2d\u6b21\u5143\u30e2\u30c7\u30eb\uff08512\u301c\uff09\n<ul class=\"wp-block-list\">\n<li>\u8868\u73fe\u529b\u3068\u30b3\u30b9\u30c8\u306e\u30d0\u30e9\u30f3\u30b9\u304c\u826f\u3044<\/li>\n\n\n\n<li>\u591a\u304f\u306e\u30e6\u30fc\u30b9\u30b1\u30fc\u30b9\u306b\u5bfe\u5fdc\u3067\u304d\u308b\u6c4e\u7528\u578b<\/li>\n\n\n\n<li>\u9ad8\u5ea6\u3059\u304e\u308b\u51e6\u7406\u3082\u3001\u7c21\u7d20\u3059\u304e\u308b\u8868\u73fe\u3082\u907f\u3051\u305f\u3044\u5834\u5408\u306b\u6700\u9069<\/li>\n\n\n\n<li>\u5411\u3044\u3066\u3044\u308b\u7528\u9014\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6280\u8853\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084FAQ\u691c\u7d22<\/li>\n\n\n\n<li>\u30bf\u30b0\u30fb\u30ab\u30c6\u30b4\u30ea\u30d9\u30fc\u30b9\u306e\u985e\u4f3c\u6587\u66f8\u691c\u7d22<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u4f4e\u6b21\u5143\u30e2\u30c7\u30eb\uff08256\u301c\uff09\n<ul class=\"wp-block-list\">\n<li>\u51e6\u7406\u304c\u9ad8\u901f\u3067\u8efd\u91cf\u3001\u30ea\u30bd\u30fc\u30b9\u8ca0\u8377\u304c\u5c11\u306a\u3044<\/li>\n\n\n\n<li>\u77ed\u3044\u30c6\u30ad\u30b9\u30c8\u30fb\u5358\u8a9e\u30d9\u30fc\u30b9\u306e\u691c\u7d22\u3067\u52b9\u679c\u7684<\/li>\n\n\n\n<li>\u5411\u3044\u3066\u3044\u308b\u7528\u9014\uff1a\n<ul class=\"wp-block-list\">\n<li>\u6280\u8853\u7528\u8a9e\u3084\u30d7\u30ed\u30c0\u30af\u30c8\u540d\u306e\u985e\u4f3c\u691c\u7d22<\/li>\n\n\n\n<li>\u30bf\u30b0\u3084\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\u306e\u8b58\u5225<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>\u305f\u3060\u3057\u3001Neo4j \u306b\u306f\u6b21\u5143\u6570\u306e\u5236\u9650\u304c\u3042\u308b\u306e\u3067\u6ce8\u610f\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Minimum:1<\/li>\n\n\n\n<li>Maximum:2048 \n<ul class=\"wp-block-list\">\n<li>Neo4j 5.x \u306e\u5236\u9650<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Vector Index\u69cb\u7bc9\u6642\u306e\u6ce8\u610f\u70b9<\/h3>\n\n\n\n<p>Embedding \u30e2\u30c7\u30eb\u3084\u6b21\u5143\u6570\u3092\u9078\u3076\u969b\u306f\u3001\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&nbsp;\u540c\u3058\u30ce\u30fc\u30c9 \u00d7 \u540c\u3058 \u5c5e\u6027\u306eVector Index\n<ul class=\"wp-block-list\">\n<li>\u5fc5\u305a\u540c\u3058 Embedding \u30e2\u30c7\u30eb\u3092\u4f7f\u7528\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/li>\n\n\n\n<li>\u30e2\u30c7\u30eb\u3092\u5909\u3048\u308b\u3068\u6b21\u5143\u6570\u304c\u7570\u306a\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u3001\u30c7\u30fc\u30bf\u306e\u6574\u5408\u6027\u304c\u5d29\u308c\u307e\u3059\u3002<\/li>\n\n\n\n<li>\u5c5e\u6027\u304c\u7570\u306a\u308b\u5834\u5408\u306f\u3001\u7570\u306a\u308bEmbedding\u30e2\u30c7\u30eb\u3067\u3082\u5927\u4e08\u592b\u3067\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u6b21\u5143\u30b5\u30a4\u30ba\u306f\u3001Embedding \u30e2\u30c7\u30eb\u306b\u5408\u308f\u305b\u305f\u65e2\u5b9a\u306e\u30b5\u30a4\u30ba\u3092\u4f7f\u7528\n<ul class=\"wp-block-list\">\n<li> \u72ec\u81ea\u306b\u5909\u66f4\u3059\u308b\u3053\u3068\u306f\u3067\u304d\u307e\u305b\u3093\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>Vector Index \u4f5c\u6210\u5f8c\u306f\u3001\u6b21\u5143\u6570\u306e\u5909\u66f4\u306f\u3067\u304d\u307e\u305b\u3093\n<ul class=\"wp-block-list\">\n<li>\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u308a\u76f4\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306f\u6b21\u5143\u6570\u306b\u6bd4\u4f8b\u3057\u3066\u5897\u52a0\u3057\u307e\u3059\n<ul class=\"wp-block-list\">\n<li>\u4e0d\u8981\u306b\u5927\u304d\u306a\u6b21\u5143\u3092\u9078\u3070\u306a\u3044\u3088\u3046\u3001\u7528\u9014\u306b\u5408\u3063\u305f\u30b5\u30a4\u30ba\u3092\u9078\u5b9a\u3057\u307e\u3057\u3087\u3046\u3002<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>\u985e\u4f3c\u5ea6<\/strong>\u95a2\u6570(vector.similarity_function\u306e\u7a2e\u985e\u3068\u7528\u5ea6<\/h3>\n\n\n\n<p>Neo4j \u306e Vector Index \u3067\u306f\u3001<strong>\u4ee5\u4e0b\u306e 2 \u7a2e\u985e\u306e\u985e\u4f3c\u5ea6\u95a2\u6570<\/strong>\u304c\u4f7f\u3048\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td>\u540d\u79f0<\/td><td>\u7279\u5fb4<\/td><td>\u9069\u7528\u4f8b<\/td><\/tr><tr><td>\u30b3\u30b5\u30a4\u30f3\u985e\u4f3c\u5ea6(cosine)<\/td><td>\u30d9\u30af\u30c8\u30eb\u306e\u300c\u5411\u304d\u300d\u304c\u8fd1\u3044\u304b\u3069\u3046\u304b\u306b\u7740\u76ee\u3059\u308b\u305f\u3081\u3001\u30c6\u30ad\u30b9\u30c8\u306e\u610f\u5473\u7684\u306a\u8fd1\u3055\u3092\u6e2c\u308b\u7528\u9014\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002<br>\u4e00\u822c\u7684\u306a\u30c6\u30ad\u30b9\u30c8\u691c\u7d22\u3067\u306f\u3053\u3061\u3089\u304c\u63a8\u5968\u3055\u308c\u307e\u3059\u3002<\/td><td>\u6587\u66f8\u985e\u4f3c\u5ea6\u691c\u7d22<br>\u610f\u5473\u7684\u985e\u4f3c\u6027\u5224\u5b9a<br>\u30ec\u30b3\u30e1\u30f3\u30c9\u30b7\u30b9\u30c6\u30e0<\/td><\/tr><tr><td>\u30e6\u30fc\u30af\u30ea\u30c3\u30c9\u8ddd\u96e2(euclidean)<\/td><td>\u6570\u5024\u306e\u5927\u304d\u3055\u3082\u542b\u3081\u3066\u300c\u3069\u308c\u3060\u3051\u8fd1\u3044\u304b\u300d\u3092\u8a55\u4fa1\u3057\u307e\u3059\u3002<br>\u30bb\u30f3\u30b5\u30fc\u5024\u3084\u6570\u5024\u7cfb\u5217\u306a\u3069\u3001\u7269\u7406\u7684\u306a\u8ddd\u96e2\u3092\u91cd\u8996\u3057\u305f\u3044\u30b1\u30fc\u30b9\u306b\u5411\u3044\u3066\u3044\u307e\u3059\u3002<\/td><td>\u753b\u50cf\u985e\u4f3c\u5ea6\u691c\u7d22<br>\u97f3\u58f0\u8a8d\u8b58<br>\u7570\u5e38\u691c\u77e5<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Vector Index\u306b\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u4f7f\u3048\u307e\u3059\u304b\u3002<\/h3>\n\n\n\n<p>\u3044\u3044\u3048\u3002Vector Index \u306b\u8907\u5408\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u306f\u5b58\u5728\u3057\u307e\u305b\u3093\u3002<br>\u8907\u6570\u30d9\u30af\u30c8\u30eb\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u308b\u691c\u7d22\u306f\u3001\u6570\u5b66\u7684\u306b\u5b9a\u7fa9\u304c\u96e3\u3057\u304f\u3001\u73fe\u5728\u306f\u30b5\u30dd\u30fc\u30c8\u3055\u308c\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">\u540c\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3(\u30e9\u30d9\u30eb)\u306b\u8907\u6570\u306eVector\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u4f5c\u3089\u308c\u307e\u3059\u304b\u3002<\/h3>\n\n\n\n<p>\u306f\u3044\u3002\u540c\u3058\u30a8\u30f3\u30c6\u30a3\u30c6\u30a3\uff08\u30e9\u30d9\u30eb\uff09\u306b\u5bfe\u3057\u3066\u3001\u8907\u6570\u306e Vector Index \u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u306f\u53ef\u80fd\u3067\u3059\u3002<br>\u305f\u3068\u3048\u3070\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b 2\u7a2e\u985e\u306e\u7570\u306a\u308b\u30d9\u30af\u30c8\u30eb\u5c5e\u6027\u306b\u5bfe\u3057\u3066\u3001\u305d\u308c\u305e\u308c\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u3092\u4f5c\u6210\u3057\u3066\u904b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>\/\/ 1. BlogPost\u306eabstract\u7528Vector Index\nCREATE VECTOR INDEX blog_post_abstract_embeddings \nFOR (bp:BlogPost) ON bp.abstract_embedding\nOPTIONS {indexConfig: {\n    `vector.dimensions`: 1024,\n    `vector.similarity_function`: 'cosine'\n}}\n\n\/\/ 2. BlogPost\u306etitle\u7528Vector Index\nCREATE VECTOR INDEX blog_post_title_embeddings \nFOR (bp:BlogPost) ON bp.title_embedding\nOPTIONS {indexConfig: {\n    `vector.dimensions`: 512,\n    `vector.similarity_function`: 'cosine'\n}}<\/code><\/pre>\n\n\n\n<h3 class=\"wp-block-heading\">\u5c5e\u6027\u5225\u306eVector Index\u306e\u5224\u65ad\u57fa\u6e96\u304c\u3042\u308a\u307e\u3059\u304b<\/h3>\n\n\n\n<p>\u4e00\u822c\u7684\u306b\u3001\u610f\u5473\u3092\u6c42\u3081\u308b\u691c\u7d22\u5bfe\u8c61\u3068\u306a\u308b\u5404\u5c5e\u6027\u3054\u3068\u306bVector Index\u3092\u4f5c\u6210\u3059\u308b\u3053\u3068\u3067\u3001\u81ea\u7136\u8a00\u8a9e\u3067\u306e\u610f\u5473\u691c\u7d22\u3084\u30c6\u30ad\u30b9\u30c8\u306e\u985e\u4f3c\u6027\u691c\u7d22\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u691c\u7d22\u30af\u30a8\u30ea\u3084\u30ec\u30b3\u30e1\u30f3\u30c7\u30fc\u30b7\u30e7\u30f3\u306e\u5bfe\u8c61\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u7528\u9014\u306b\u5fdc\u3058\u305f\u67d4\u8edf\u304b\u3064\u9ad8\u7cbe\u5ea6\u306a\u691c\u7d22\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>title_embedding: [...]&nbsp; \n<ul class=\"wp-block-list\">\n<li> \u30bf\u30a4\u30c8\u30eb\u691c\u7d22\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>content_embedding: [...]\n<ul class=\"wp-block-list\">\n<li>\u5168\u6587\u691c\u7d22\u7528 &nbsp;<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>abstract_embedding: [...]\n<ul class=\"wp-block-list\">\n<li> \u6982\u8981\u691c\u7d22\u7528<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<p>Vector Index\u306e\u5bfe\u8c61\u306b\u306a\u3089\u306a\u3044\u30b1\u30fc\u30b9\u306f\u3001\u5b8c\u5168\u4e00\u81f4\u691c\u7d22\u3084\u7bc4\u56f2\u691c\u7d22\u3001\u95a2\u4fc2\u306b\u3088\u308b\u53d6\u5f97\u3001\u6570\u5024\u6bd4\u8f03\u3001\u7ba1\u7406\u7528\u30e1\u30bf\u30c7\u30fc\u30bf\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406\u306a\u3069\u306e\u9805\u76ee\u3067\u3042\u308a\u3001\u5177\u4f53\u7684\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u3082\u306e\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>&nbsp; &nbsp; id: \"doc_001\"\n<ul class=\"wp-block-list\">\n<li>\u5b8c\u5168\u4e00\u81f4\u691c\u7d22<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>&nbsp; &nbsp; created_date: \"2025-01-01\"\n<ul class=\"wp-block-list\">\n<li>\u7bc4\u56f2\u691c\u7d22<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>&nbsp; &nbsp; author_id: \"user_123\"\n<ul class=\"wp-block-list\">\n<li>\u95a2\u4fc2\u3067\u53d6\u5f97<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>&nbsp; &nbsp; word_count: 1500\n<ul class=\"wp-block-list\">\n<li>\u6570\u5024\u6bd4\u8f03<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>&nbsp; &nbsp; file_path: \"\/docs\/file.txt\"\n<ul class=\"wp-block-list\">\n<li>\u7ba1\u7406\u7528\u30e1\u30bf\u30c7\u30fc\u30bf<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>&nbsp; &nbsp; version: 1.2\n<ul class=\"wp-block-list\">\n<li>\u30d0\u30fc\u30b8\u30e7\u30f3\u7ba1\u7406<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">\u307e\u3068\u3081<\/h2>\n\n\n\n<p>\u4eca\u56de\u306f\u3001\u300c\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u81ea\u52d5\u5316\u306e\u6982\u5ff5\u691c\u8a3c\u300d\u306e\u6d41\u308c\u306e\u4e2d\u3067\u3001<strong>GraphRAG \u3078\u9032\u3080\u524d\u306b\u4e0d\u53ef\u6b20\u306a\u8981\u7d20\u306e\u3072\u3068\u3064<\/strong>\u3067\u3042\u308b <strong>Neo4j Vector Index<\/strong> \u306b\u3064\u3044\u3066\u3054\u7d39\u4ecb\u3057\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u5177\u4f53\u7684\u306b\u306f\u3001<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>\u65e2\u5b58\u306e\u30b0\u30e9\u30d5\u306bVector Index\u3092\u8ffd\u52a0\u3059\u308b\u65b9\u6cd5<\/strong><\/li>\n\n\n\n<li><strong>\u30b0\u30e9\u30d5\u4f5c\u6210\u3068\u540c\u6642\u306b<strong>Vector Index<\/strong>\u3092\u4f5c\u6210\u3059\u308b\u65b9\u6cd5<\/strong><\/li>\n<\/ul>\n\n\n\n<p>\u3053\u306e2\u3064\u306e\u30a2\u30d7\u30ed\u30fc\u30c1\u3068\u3001\u305d\u308c\u305e\u308c\u306b\u304a\u3051\u308b\u6ce8\u610f\u70b9\u3084\u5b9f\u88c5\u4e0a\u306e\u30dd\u30a4\u30f3\u30c8\u306b\u3064\u3044\u3066\u3082\u89e6\u308c\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p>\u6b21\u56de\u306f\u3001\u4eca\u56de\u4f5c\u6210\u3057\u305fNeo4j Vector Index \u3092\u30b5\u30f3\u30d7\u30eb\u30b0\u30e9\u30d5\u5168\u4f53\u306b\u9069\u7528\u3057\u3001\u57fa\u672c\u7684\u306a\u691c\u7d22\u30d1\u30bf\u30fc\u30f3\u3092\u8a66\u3057\u306a\u304c\u3089\u3001GraphRAG \u3078\u306e\u8db3\u304c\u304b\u308a\u3092\u7bc9\u3044\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u304a\u697d\u3057\u307f\u306b\u3002<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h4 class=\"wp-block-heading\">&#x1f9ed;\u9023\u8f09<\/h4>\n\n\n\n<p><a href=\"https:\/\/www.creationline.com\/tech-blog\/data-management\/neo4j\/79246\" target=\"_blank\" rel=\"noreferrer noopener\">\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u81ea\u52d5\u5316\u306e\u6982\u5ff5\u691c\u8a3c\uff3b1\uff3d<\/a><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u5168\u5de5\u7a0b\u3092 LLM \u306e\u30b3\u30f3\u30bd\u30fc\u30eb\u4e0a\u3067\u5b8c\u7d50<\/li>\n<\/ul>\n\n\n\n<p><strong><a href=\"https:\/\/www.creationline.com\/tech-blog\/data-management\/neo4j\/79560\">\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u81ea\u52d5\u5316\u306e\u6982\u5ff5\u691c\u8a3c\uff3b2\uff3d<\/a><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>LLM \u3068\u30b3\u30fc\u30c9\u51e6\u7406\u3092\u5206\u96e2\u3057\u3001\u5f79\u5272\u3092\u660e\u78ba\u5316<\/li>\n<\/ul>\n\n\n\n<p><strong><a href=\"https:\/\/www.creationline.com\/tech-blog\/data-management\/neo4j\/79699\">\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u81ea\u52d5\u5316\u306e\u6982\u5ff5\u691c\u8a3c\uff3b3\uff3d<\/a><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>GraphRAG\u3078\u306e\u9053\u3068Neo4j Vector Index<\/li>\n<\/ul>\n\n\n\n<p><strong><a href=\"https:\/\/www.creationline.com\/tech-blog\/data-management\/neo4j\/80093\">\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u81ea\u52d5\u5316\u306e\u6982\u5ff5\u691c\u8a3c\uff3b4\uff3d<\/a><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u81ea\u7136\u8a00\u8a9e\u3067\u63a2\u7d22\u3059\u308b GraphRAG \u691c\u7d22\u306e\u5b9f\u8df5<\/li>\n<\/ul>\n\n\n\n<p><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u2015GraphRAG\u3078\u306e\u9053\u3068Neo4j Vector Index \u2015 \u306f\u3058\u3081\u306b \u3053\u3053\u307e\u3067\u306e\u9023\u8f09\u3067\u306f\u3001\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u306e\u69cb\u7bc9\u306b\u304a\u3051\u308b2\u3064\u306e\u5de5\u7a0b\u306b\u3001\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\uff08LLM\uff09\u3092\u6d3b\u7528\u3057\u3066\u304d\u307e\u3057\u305f\u3002 \u4eca\u56de\u306f\u3001\u305d\u306e\u6b21\u306e\u30b9\u30c6\u30c3\u30d7\u3068\u3057\u3066\u3001 [&#8230;]<\/p>\n","protected":false},"author":13,"featured_media":79709,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"content-type":"","footnotes":""},"categories":[779,98,817,1115,61,37,323,814,815],"tags":[],"class_list":["post-79699","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ai","category-aws","category-chatgpt-ai","category-graphrag","category-lee","category-neo4j","category-python","category-cloudnative","category-data-management"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u81ea\u52d5\u5316\u306e\u6982\u5ff5\u691c\u8a3c[3]\u00a0 - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3<\/title>\n<meta name=\"description\" content=\"AI, AWS, ChatGPT\uff06AI, GraphRAG, lee, Neo4j, Python, \u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6, \u30c7\u30fc\u30bf\u200b\u200b\u30de\u30cd\u30b8\u30e1\u30f3\u30c8 |\u2015GraphRAG\u3078\u306e\u9053\u3068Neo4j Vector Index \u2015 \u306f\u3058\u3081\u306b\" \/>\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.creationline.com\/tech-blog\/data-management\/neo4j\/79699\" \/>\n<meta property=\"og:locale\" content=\"ja_JP\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u306b\u3088\u308b\u30ca\u30ec\u30c3\u30b8\u30b0\u30e9\u30d5\u81ea\u52d5\u5316\u306e\u6982\u5ff5\u691c\u8a3c[3]\u00a0 - Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"og:description\" content=\"AI, AWS, ChatGPT\uff06AI, GraphRAG, lee, Neo4j, Python, \u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6, \u30c7\u30fc\u30bf\u200b\u200b\u30de\u30cd\u30b8\u30e1\u30f3\u30c8 |\u2015GraphRAG\u3078\u306e\u9053\u3068Neo4j Vector Index \u2015 \u306f\u3058\u3081\u306b\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.creationline.com\/tech-blog\/data-management\/neo4j\/79699\" \/>\n<meta property=\"og:site_name\" content=\"Tech Blog\uff5c\u30af\u30ea\u30a8\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30f3\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/creationline\" \/>\n<meta property=\"article:published_time\" content=\"2025-10-16T01:00:00+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2026-02-24T09:14:49+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.creationline.com\/tech-blog\/cms_x3GWkuX\/wp-content\/uploads\/2025\/10\/image-13.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1025\" \/>\n\t<meta property=\"og:image:height\" content=\"487\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"lee\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@awk256\" \/>\n<meta name=\"twitter:site\" content=\"@creationline\" \/>\n<meta name=\"twitter:label1\" content=\"\u57f7\u7b46\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"lee\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u63a8\u5b9a\u8aad\u307f\u53d6\u308a\u6642\u9593\" \/>\n\t<meta name=\"twitter:data2\" content=\"4\u5206\" \/>\n<script type=\"application\/ld+json\" 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