{"id":9305,"date":"2025-02-14T10:04:45","date_gmt":"2025-02-14T01:04:45","guid":{"rendered":"https:\/\/first-contact.jp\/blog\/?p=9305"},"modified":"2025-12-22T16:10:08","modified_gmt":"2025-12-22T07:10:08","slug":"vitalify-langchain-rag","status":"publish","type":"post","link":"https:\/\/first-contact.jp\/blog\/article\/vitalify-langchain-rag\/","title":{"rendered":"LangChain\u3068RAG\u3067\u5b9f\u73fe\u3059\u308b\u751f\u6210AI\u30b7\u30b9\u30c6\u30e0\uff5c\u57fa\u672c\u304b\u3089\u5b9f\u88c5\u65b9\u6cd5\u30fb\u6d3b\u7528\u4e8b\u4f8b\u307e\u3067\u89e3\u8aac"},"content":{"rendered":"\n<p class=\"has-text-align-right\"> \u6700\u7d42\u66f4\u65b0\u65e5\uff1a2025\/2\/14 <\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"2240\" height=\"1260\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/02\/FCLP_\u30d6\u30ed\u30b0\u30d0\u30ca\u30fc-4-1.png\" alt=\"\" class=\"wp-image-9368\"\/><\/figure>\n\n\n\n<h2> \u672c\u8a18\u4e8b\u306b\u3064\u3044\u3066  <\/h2>\n\n\n\n<p>\u8fd1\u5e74\u3001\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\uff08LLM\uff09\u306e\u9032\u5316\u304c\u76ee\u899a\u307e\u3057\u304f\u3001\u591a\u304f\u306e\u5206\u91ce\u3067\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u305f\u3060\u3001LLM\u306b\u306f\u77e5\u8b58\u306e\u9650\u754c\u3084\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u5bfe\u5fdc\u306a\u3069\u306e\u8ab2\u984c\u304c\u3042\u308a\u307e\u3059\u3002\u305d\u3053\u3067\u3001\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e LangChain \u3068 RAG\uff08\u691c\u7d22\u62e1\u5f35\u751f\u6210\uff09\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001LLM\u306e\u80fd\u529b\u3092\u6700\u5927\u9650\u306b\u6d3b\u304b\u3057\u3001\u3088\u308a\u9ad8\u5ea6\u306aAI\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001LangChain \u3068 RAG \u306e\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f\u304b\u3089\u3001\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u65b9\u6cd5\u3001\u305d\u3057\u3066\u5b9f\u969b\u306e\u6d3b\u7528\u4e8b\u4f8b\u307e\u3067\u89e3\u8aac\u3057\u307e\u3059\u3002\u751f\u6210AI\u30b7\u30b9\u30c6\u30e0\u306e\u958b\u767a\u306b\u4fbf\u5229\u306a\u30c4\u30fc\u30eb\u306b\u3064\u3044\u3066\u7406\u89e3\u3092\u6df1\u3081\u3001\u81ea\u793e\u306b\u304a\u3051\u308b\u6700\u9069\u306aAI\u6d3b\u7528\u3092\u5b9f\u73fe\u3059\u308b\u305f\u3081\u306b\u305c\u3072\u3054\u89a7\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2>1 LangChain\u3068\u306f\uff1f\u6982\u8981\u3068\u4ed5\u7d44\u307f<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/lh7-rt.googleusercontent.com\/docsz\/AD_4nXcrngL_g8zSwqww7a5sDZB7o8iVZNTTnV4qzKy1tC_asNGLfIuF361cBYThum8QABeWomH71qU_CYVB4EIb-AcBNwhEGR4Wsitog3PZOq84gsENHnWVqupEgOoS3mo5sgUDK4qm?key=q_Fa82Jdhcs1Ow4XWjFAn1pY\" alt=\"\"\/><\/figure>\n\n\n\n<p>LangChain\u3068\u306f\u3001\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\uff08LLM\uff09\u3092\u6d3b\u7528\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3092\u652f\u63f4\u3059\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002\u5916\u90e8\u30ea\u30bd\u30fc\u30b9\u3068GPT\u306a\u3069\u306eLLM\u3092\u9023\u643a\u3059\u308b\u3053\u3068\u3067\u3001LLM\u306e\u80fd\u529b\u3092\u6700\u5927\u9650\u306b\u5f15\u304d\u51fa\u3057\u3001\u5e45\u5e83\u3044\u30bf\u30b9\u30af\u306b\u5bfe\u5fdc\u3057\u305f\u67d4\u8edf\u306a\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u4e00\u822c\u7684\u306a\u8a00\u8a9e\u30e2\u30c7\u30eb\u3067\u306f\u96e3\u3057\u3044\u9577\u6587\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u5165\u529b\u3084\u6700\u65b0\u60c5\u5831\u3092\u53cd\u6620\u3057\u305f\u56de\u7b54\u3082\u3001LangChain \u3092\u7528\u3044\u308b\u3053\u3068\u3067\u5b9f\u73fe\u3057\u307e\u3059\u3002\u3055\u3089\u306b\u3001\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u3084FAQ\u30b7\u30b9\u30c6\u30e0\u3001\u30c7\u30fc\u30bf\u5206\u6790\u306e\u81ea\u52d5\u5316\u306a\u3069\u3001\u591a\u5c90\u306b\u308f\u305f\u308b\u7528\u9014\u306b\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f01\u696d\u5411\u3051\u751f\u6210AI\u30c4\u30fc\u30eb\u306e\u958b\u767a\u3001\u6587\u66f8\u691c\u7d22\u3084\u60c5\u5831\u6574\u7406\u306b\u7279\u5316\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u69cb\u7bc9\u306a\u3069\u306e\u30b7\u30fc\u30f3\u3067\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<h3>1-1 \tLangChain\u3068LLM\u306e\u9055\u3044<\/h3>\n\n\n\n<p>LLM\u306f\u3001\u81ea\u7136\u8a00\u8a9e\u306e\u751f\u6210\u3068\u7406\u89e3\u3092\u4e3b\u306a\u76ee\u7684\u3068\u3057\u305f\u8a00\u8a9e\u30e2\u30c7\u30eb\u3067\u3059\u3002\u5927\u91cf\u306e\u30c6\u30ad\u30b9\u30c8\u30c7\u30fc\u30bf\u3092\u5b66\u7fd2\u3057\u3001\u81ea\u7136\u306a\u6587\u7ae0\u3092\u4f5c\u6210\u3067\u304d\u308b\u30b7\u30b9\u30c6\u30e0\u305d\u306e\u3082\u306e\u3092\u6307\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4e00\u65b9\u3067\u3001LangChain \u306f LLM \u3092\u6d3b\u7528\u3057\u305f\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u958b\u767a\u3092\u652f\u63f4\u3059\u308b\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u3059\u3002LLM\u3092\u5229\u7528\u3057\u306a\u304c\u3089\u3001\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u3084\u51e6\u7406\u3001\u5165\u529b\u3068\u51fa\u529b\u306e\u652f\u63f4\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u6a5f\u80fd\u306b\u3088\u308a\u3001LLM\u306e\u80fd\u529b\u3092\u6700\u5927\u9650\u306b\u767a\u63ee\u3067\u304d\u308b\u3088\u3046\u30b5\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"993\" height=\"545\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/02\/image-18.png\" alt=\"\" class=\"wp-image-9359\"\/><\/figure>\n\n\n\n<h2>2 LangChain \u306e\u4e3b\u306a\u6a5f\u80fd\u30fb\u30e2\u30b8\u30e5\u30fc\u30eb<\/h2>\n\n\n\n<p>LangChain \u3067\u306f\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u3084LLM\u306a\u3069\u8907\u6570\u306e\u6a5f\u80fd\u3084\u30e2\u30b8\u30e5\u30fc\u30eb\u306b\u3088\u3063\u3066\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001\u4e3b\u306a6\u3064\u306e\u6a5f\u80fd\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3>2-1\t\u30d7\u30ed\u30f3\u30d7\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u6a5f\u80fd\uff08Prompt Template\uff09<\/h3>\n\n\n\n<p>\u30d7\u30ed\u30f3\u30d7\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u6a5f\u80fd\uff08Prompt Template\uff09\u306f\u3001\u540d\u524d\u306e\u3068\u304a\u308a\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u5316\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u306e\u6587\u5b57\u5217\u306e\u4e00\u90e8\u306b\u5909\u6570\u3092\u57cb\u3081\u8fbc\u307f\u3001\u30d7\u30ed\u30b0\u30e9\u30e0\u5074\u3067\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u5236\u5fa1\u3067\u304d\u308b\u72b6\u614b\u3092\u69cb\u7bc9\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e6\u30fc\u30b6\u30fc\u5165\u529b\u306b\u5fdc\u3058\u305f\u52d5\u7684\u306a\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u751f\u6210\u3057\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u6700\u9069\u5316\u3092\u4fc3\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u307e\u305f\u3001\u4e00\u90e8\u306e\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u307f\u5909\u66f4\u3067\u304d\u308b\u3088\u3046\u306b\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u4f7f\u3044\u65b9\u3082\u53ef\u80fd\u306b\u306a\u308a\u3001\u67d4\u8edf\u306a\u5fdc\u7b54\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002&nbsp;&nbsp;<\/p>\n\n\n\n<p>LangChain \u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u306e\u8ca0\u62c5\u3092\u8efd\u6e1b\u3067\u304d\u308b\u4e0a\u3001\u8907\u6570\u540d\u3067\u958b\u767a\u3059\u308b\u969b\u306e\u8a18\u8ff0\u65b9\u6cd5\u3092\u7d71\u4e00\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3>2-2\t\u30c1\u30a7\u30fc\u30f3\u6a5f\u80fd\uff08Chains\uff09<\/h3>\n\n\n\n<p>\u30c1\u30a7\u30fc\u30f3\u6a5f\u80fd\uff08Chains\uff09\u306f\u3001\u8907\u6570\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3067\u3059\u3002\u901a\u5e38\u306e\u8a00\u8a9e\u30e2\u30c7\u30eb\u3067\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u5bfe\u3057\u3066AI\u304c\u56de\u7b54\u3059\u308b\u3001\u3068\u3044\u3046\u624b\u9806\u304c\u7e70\u308a\u8fd4\u3055\u308c\u307e\u3059\u3002\u4e00\u65b9\u3001\u30c1\u30a7\u30fc\u30f3\u6a5f\u80fd\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u9023\u7d9a\u5165\u529b\u3084\u3001\u5148\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u306b\u5bfe\u3059\u308b\u56de\u7b54\u3092\u6b21\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u5185\u5bb9\u306b\u7d44\u307f\u8fbc\u3080\u3001\u3068\u3044\u3063\u305f\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30c1\u30a7\u30fc\u30f3\u6a5f\u80fd\u306b\u306f\u4ee5\u4e0b3\u3064\u306e\u7a2e\u985e\u306b\u5206\u3051\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li>\u30b7\u30f3\u30d7\u30eb\u30c1\u30a7\u30fc\u30f3\uff08Simple Chain\uff09\uff1a\u30c1\u30a7\u30fc\u30f3\u306e\u6700\u5c0f\u5358\u4f4d\u3067\u3001\u8907\u6570\u3064\u306a\u3052\u308b\u3053\u3068\u3067\u6a5f\u80fd\u3092\u5f37\u5316\u3067\u304d\u308b<\/li><li>\u9023\u7d9a\u30c1\u30a7\u30fc\u30f3\uff08Sequential Chain\uff09\uff1a\u8907\u6570\u306e\u30c1\u30a7\u30fc\u30f3\u3092\u9023\u7d9a\u3067\u3064\u306a\u3052\u3066\u5165\u529b\u3067\u304d\u308b<\/li><li>\u30ab\u30b9\u30bf\u30e0\u30c1\u30a7\u30fc\u30f3\uff08Custom Chain\uff09\uff1a\u81ea\u7531\u306b\u30c1\u30a7\u30fc\u30f3\u3092\u3064\u306a\u304e\u3042\u308f\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b<\/li><\/ul>\n\n\n\n<p>\u30c1\u30a7\u30fc\u30f3\u6a5f\u80fd\u306b\u3088\u308a\u3001\u8907\u6570\u306e\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u5b9f\u884c\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u6b63\u78ba\u306a\u56de\u7b54\u3092\u5f97\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3>2-3\t\u30e1\u30e2\u30ea\u6a5f\u80fd\uff08Memory\uff09<\/h3>\n\n\n\n<p>\u30e1\u30e2\u30ea\u6a5f\u80fd\uff08Memory\uff09\u3068\u306f\u3001\u8a00\u8a9e\u30e2\u30c7\u30eb\u3068\u306e\u4f1a\u8a71\u3084\u51e6\u7406\u306e\u5c65\u6b74\u3092\u4fdd\u5b58\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002LLM\u306b\u5bfe\u8a71\u5185\u5bb9\u3092\u4fdd\u5b58\u3059\u308b\u6a5f\u80fd\u304c\u5099\u308f\u3063\u3066\u3044\u306a\u3044\u5834\u5408\u3001\u8a18\u9332\u3059\u308b\u305f\u3081\u306e\u4ed5\u7d44\u307f\u3092\u65b0\u305f\u306b\u4f5c\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u30e1\u30e2\u30ea\u6a5f\u80fd\u3092\u4f7f\u3046\u3053\u3068\u3067\u3001LLM\u306e\u51fa\u529b\u5185\u5bb9\u3092\u8a18\u9332\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u518d\u5229\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u6587\u8108\u3092\u610f\u8b58\u3057\u305f\u5fdc\u7b54\u304c\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u524d\u8ff0\u3057\u305f\u30c1\u30a7\u30fc\u30f3\u6a5f\u80fd\u306b\u30e1\u30e2\u30ea\u6a5f\u80fd\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u8907\u6570\u306e\u30c1\u30a7\u30fc\u30f3\u5168\u4f53\u3092\u901a\u3057\u3066\u540c\u4e00\u306e\u524d\u63d0\u6761\u4ef6\u3092\u8a2d\u5b9a\u3059\u308b\u3001\u3068\u3044\u3063\u305f\u4f7f\u3044\u65b9\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e1\u30e2\u30ea\u6a5f\u80fd\u306b\u306f\u3001\u77ed\u671f\u8a18\u61b6\u3068\u9577\u671f\u8a18\u61b6\u306e2\u7a2e\u985e\u304c\u3042\u308a\u307e\u3059\u3002\u77ed\u671f\u8a18\u61b6\u306f\u30011\u3064\u306e\u3084\u308a\u53d6\u308a\u306e\u4e2d\u3067\u30c7\u30fc\u30bf\u3092\u4fdd\u6301\u3059\u308b\u6a5f\u80fd\u3067\u3001\u6587\u7ae0\u306e\u8981\u7d04\u306a\u3069\u3067\u4f7f\u7528\u3055\u308c\u307e\u3059\u3002\u9577\u671f\u8a18\u61b6\u306f\u3001\u8907\u6570\u306e\u3084\u308a\u53d6\u308a\u306b\u304a\u3051\u308b\u30c7\u30fc\u30bf\u3092\u8a18\u9332\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002\u30e6\u30fc\u30b6\u30fc\u3068\u306e\u5bfe\u8a71\u3067\u5f97\u305f\u60c5\u5831\u3092\u66f4\u65b0\u3057\u3001\u305d\u306e\u5f8c\u306e\u5bfe\u8a71\u306b\u53cd\u6620\u3055\u305b\u308b\u3053\u3068\u3082\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3>2-4\t\u30e2\u30c7\u30eb\u6a5f\u80fd\uff08Model I\/O\uff09<\/h3>\n\n\n\n<p>\u30e2\u30c7\u30eb\u6a5f\u80fd\uff08Model I\/O\uff09\u306f\u3001\u3055\u307e\u3056\u307e\u306a\u30e2\u30c7\u30eb\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u7528\u3067\u304d\u308b\u6a5f\u80fd\u3067\u3059\u3002OpenAI\u793e\u3060\u3051\u3067\u306a\u304f\u3001Google \u793e\u3084 Microsoft \u793e\u306a\u3069\u306e\u30d7\u30ed\u30d0\u30a4\u30c0\u30fc\u304c\u63d0\u4f9b\u3059\u308bLLM\u306e\u5207\u308a\u66ff\u3048\u3084\u7d44\u307f\u5408\u308f\u305b\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u307e\u3059\u3002\u958b\u767a\u8005\u306e\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u4f5c\u696d\u306e\u52b9\u7387\u5316\u306b\u5f79\u7acb\u3061\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4ed6\u306b\u3082\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u7ba1\u7406\u3084\u6700\u9069\u5316\u3092\u884c\u3046\u6a5f\u80fd\u3001LLM\u306e\u51fa\u529b\u5f62\u5f0f\u3092\u6307\u5b9a\u3059\u308b\u6a5f\u80fd\u306a\u3069\u304c\u542b\u307e\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30e2\u30c7\u30eb\u6a5f\u80fd\u306e\u4f8b\u3068\u3057\u3066\u3001\u5927\u898f\u6a21\u8a00\u8a9e\u30e2\u30c7\u30eb\u3092\u547c\u3073\u51fa\u3059 LLMs \u3084\u3001\u30c1\u30e3\u30c3\u30c8\u5f62\u5f0f\u3067 LLM \u3092\u5229\u7528\u3057\u305f\u3044\u5834\u5408\u306b\u4f7f\u3046\u30c1\u30e3\u30c3\u30c8\u30e2\u30c7\u30eb\u306a\u3069\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3>2-5\t\u691c\u7d22\u6a5f\u80fd\uff08Retrieval\uff09<\/h3>\n\n\n\n<p>\u691c\u7d22\u6a5f\u80fd\uff08Retrieval\uff09\u306f\u3001\u5916\u90e8\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3059\u308b\u305f\u3081\u306e\u6a5f\u80fd\u3067\u3059\u3002PDF \u3084 CSV\u3001Excel \u306a\u3069\u306e\u5916\u90e8\u30c7\u30fc\u30bf\u3092\u7528\u3044\u3066\u3001LLM \u306e\u56de\u7b54\u7cbe\u5ea6\u3092\u5f37\u5316\u3057\u307e\u3059\u3002LangChain \u3092\u4f7f\u3063\u3066\u6a5f\u80fd\u3092\u62e1\u5f35\u3059\u308b\u3053\u3068\u3067\u3001\u9577\u6587\u304c\u5165\u529b\u3055\u308c\u305f\u969b\u306b\u3082\u30b9\u30e0\u30fc\u30ba\u306b\u8aad\u307f\u8fbc\u307f\u3001\u9ad8\u3044\u7cbe\u5ea6\u306e\u56de\u7b54\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u691c\u7d22\u6a5f\u80fd\u306f\u3001\u4ee5\u4e0b5\u3064\u306e\u6a5f\u80fd\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5909\u63db\uff1a\u8aad\u307f\u8fbc\u3093\u3060\u30c7\u30fc\u30bf\u3092LLM\u304c\u6271\u3044\u3084\u3059\u3044\u3088\u3046\u306b\u5909\u63db\u3059\u308b<\/li><li>\u30d9\u30af\u30c8\u30eb\u30b9\u30c8\u30a2\u7d71\u5408\uff1a\u60c5\u5831\u3092\u30d9\u30af\u30c8\u30eb\u5f62\u5f0f\u3067\u4fdd\u5b58\u3057\u3001\u9ad8\u901f\u304b\u3064\u6b63\u78ba\u306a\u691c\u7d22\u3092\u5b9f\u73fe\u3059\u308b<\/li><li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u691c\u7d22\u6a5f\u80fd\uff1a\u9577\u3044\u6587\u7ae0\u3092\u8907\u6570\u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u5206\u5272\u3057\u3001\u5165\u529b\u306b\u95a2\u9023\u3059\u308b\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u62bd\u51fa\u3059\u308b<\/li><li>\u81ea\u7136\u8a00\u8a9e\u30d9\u30af\u30c8\u30eb\u5316\u6a5f\u80fd\uff1a\u5358\u8a9e\u540c\u58eb\u306e\u95a2\u9023\u6027\u3092\u6b63\u3057\u304f\u8a8d\u8b58\u3059\u308b<\/li><li>\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u8aad\u307f\u8fbc\u307f\u6a5f\u80fd\uff1a100\u7a2e\u985e\u4ee5\u4e0a\u306e\u5916\u90e8\u30c7\u30fc\u30bf\u304b\u3089\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3092\u8aad\u307f\u8fbc\u3080<\/li><\/ul>\n\n\n\n<h3>2-6\t\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u6a5f\u80fd\uff08Agent\uff09<\/h3>\n\n\n\n<p>\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u6a5f\u80fd\uff08Agent\uff09\u306f\u3001LLM\u3068\u591a\u69d8\u306a\u5916\u90e8\u30c4\u30fc\u30eb\u3068\u3092\u63a5\u7d9a\u3057\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u5185\u5bb9\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30c4\u30fc\u30eb\u3092\u4f7f\u3044\u5206\u3051\u308b\u6a5f\u80fd\u3067\u3059\u3002\u8907\u6570\u306e\u30c4\u30fc\u30eb\u3092\u6700\u9069\u306a\u72b6\u614b\u3067\u3064\u306a\u304e\u5408\u308f\u305b\u308b\u3053\u3068\u3067\u3001\u9ad8\u7cbe\u5ea6\u306a\u56de\u7b54\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3048\u3070\u3001\u60c5\u5831\u53ce\u96c6\u7528\u306e\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3068\u3001\u30b0\u30e9\u30d5\u4f5c\u6210\u7528\u306ePython\u30b3\u30fc\u30c9\u3092\u7d44\u307f\u5408\u308f\u305b\u308b\u3001\u3068\u3044\u3063\u305f\u4f7f\u3044\u65b9\u304c\u53ef\u80fd\u3067\u3059\u3002\u307e\u305f\u3001\u5fc5\u8981\u306a\u60c5\u5831\u3092\u53ce\u96c6\u3057\u3066\u3001\u6b63\u3057\u3044\u30b0\u30e9\u30d5\u304c\u4f5c\u6210\u3055\u308c\u308b\u307e\u3067\u4fee\u6b63\u3092\u7e70\u308a\u8fd4\u3059\u51e6\u7406\u3082\u6307\u5b9a\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>LangChain\u306b\u6700\u521d\u304b\u3089\u767b\u9332\u3055\u308c\u3066\u3044\u308b\u5916\u90e8\u30c4\u30fc\u30eb\u306f\u3001Google\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3084Wikipedia\u306a\u3069\u3067\u3059\u3002\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8\u6a5f\u80fd\u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u30cd\u30c3\u30c8\u691c\u7d22\u306e\u6700\u65b0\u60c5\u5831\u3092\u53cd\u6620\u3057\u305f\u56de\u7b54\u3092\u51fa\u529b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"995\" height=\"545\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/02\/image-19.png\" alt=\"\" class=\"wp-image-9360\"\/><\/figure>\n\n\n\n<h2>3 RAG\uff08\u691c\u7d22\u62e1\u5f35\u751f\u6210\uff09\u306e\u4ed5\u7d44\u307f\u3068\u7279\u5fb4<\/h2>\n\n\n\n<p>LangChain\u3068\u3068\u3082\u306bAI\u306e\u5206\u91ce\u3067\u6ce8\u76ee\u3055\u308c\u3066\u3044\u308b\u8a00\u8449\u306b\u3001RAG\u304c\u3042\u308a\u307e\u3059\u3002RAG\uff08Retrieval Augmented Generation\uff09\u306f\u3001\u65e5\u672c\u8a9e\u3067\u300c\u691c\u7d22\u62e1\u5f35\u751f\u6210\u300d\u3082\u3057\u304f\u306f\u300c\u53d6\u5f97\u62e1\u5f35\u751f\u6210\u300d\u3068\u547c\u3070\u308c\u3066\u3044\u307e\u3059\u3002\u6700\u65b0\u60c5\u5831\u3084\u5c02\u9580\u5206\u91ce\u306e\u77e5\u8b58\u3092\u88dc\u3046\u3053\u3068\u3067\u3001LLM\u304c\u3088\u308a\u7cbe\u5ea6\u306e\u9ad8\u3044\u56de\u7b54\u3092\u751f\u6210\u3059\u308b\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u305f\u6280\u8853\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u3053\u3067\u306f\u3001RAG\u306e\u7279\u5fb4\u3068\u3001RAG\u3092\u6d3b\u7528\u3059\u308b\u30e1\u30ea\u30c3\u30c8\u30fb\u30c7\u30e1\u30ea\u30c3\u30c8\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3>3-1\tRAG\u3068\u306f\uff1f\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>RAG\u306f\u3001LLM\u306e\u751f\u6210\u306b\u3066\u3001\u5916\u90e8\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u691c\u7d22\u30a8\u30f3\u30b8\u30f3\u3092\u5229\u7528\u3057\u3066\u5fc5\u8981\u306a\u60c5\u5831\u3092\u81ea\u52d5\u7684\u306b\u53ce\u96c6\u3057\u3001\u5fc5\u8981\u306a\u60c5\u5831\u3092\u62bd\u51fa\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>RAG\u306e\u57fa\u672c\u7684\u306a\u4ed5\u7d44\u307f\u306f\u3001\u4ee5\u4e0b3\u3064\u306e\u30d7\u30ed\u30bb\u30b9\u3067\u69cb\u6210\u3055\u308c\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li>\u60c5\u5831\u53d6\u5f97\u30d7\u30ed\u30bb\u30b9\uff1a\u30e6\u30fc\u30b6\u30fc\u304b\u3089\u306e\u8cea\u554f\u3084\u6307\u793a\u306b\u5bfe\u3057\u3001\u5916\u90e8\u306e\u30bd\u30fc\u30b9\uff08\u4f01\u696d\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3084\u66f8\u7c4d\u3001Web\u30b5\u30a4\u30c8\u306a\u3069\uff09\u304b\u3089\u95a2\u9023\u60c5\u5831\u3092\u691c\u7d22\u3059\u308b&nbsp;&nbsp;<\/li><li>\u62e1\u5f35\u30d7\u30ed\u30bb\u30b9\uff1a\u691c\u7d22\u3055\u308c\u305f\u60c5\u5831\u3092LLM\u304c\u7406\u89e3\u3067\u304d\u308b\u3088\u3046\u5909\u63db\u3057\u3001LLM\u306b\u63d0\u4f9b\u3059\u308b<\/li><li>\u5fdc\u7b54\u751f\u6210\u30d7\u30ed\u30bb\u30b9\uff1aLLM\u304c\u8cea\u554f\u5185\u5bb9\u3068\u691c\u7d22\u30c7\u30fc\u30bf\u3092\u57fa\u306b\u56de\u7b54\u3092\u4f5c\u6210\u3059\u308b<\/li><\/ul>\n\n\n\n<p>\u901a\u5e38\u306e\u751f\u6210AI\u3067\u306f\u3001\u8cea\u554f\u306b\u5bfe\u3057\u3066\u300c\u8a18\u61b6\uff08\u5b66\u7fd2\u30c7\u30fc\u30bf\uff09\u300d\u3092\u57fa\u306b\u56de\u7b54\u3092\u751f\u6210\u3059\u308b\u306e\u306b\u5bfe\u3057\u3001RAG\u306f\u8cea\u554f\u306b\u5bfe\u3057\u3066\u300c\u691c\u7d22\uff08\u8abf\u3079\u7269\uff09\u300d\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7d4c\u7531\u3057\u3066\u56de\u7b54\u3059\u308b\u70b9\u304c\u7570\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h3>3-2\tRAG\u306e\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<p>RAG\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u671f\u5f85\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li>\u5fdc\u7b54\u7cbe\u5ea6\u306e\u5411\u4e0a\uff1a\u30a8\u30d3\u30c7\u30f3\u30b9\u306b\u57fa\u3065\u304d\u3001\u3088\u308a\u6b63\u78ba\u3067\u4e00\u8cab\u6027\u306e\u3042\u308b\u56de\u7b54\u3092\u51fa\u529b\u3067\u304d\u308b<\/li><li>\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\uff1a\u6700\u65b0\u60c5\u5831\u3092\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3068\u3057\u3066\u5229\u7528\u3057\u3001\u56de\u7b54\u306b\u53cd\u6620\u3067\u304d\u308b<\/li><li>\u5c02\u9580\u77e5\u8b58\u306e\u88dc\u5b8c\uff1a\u7279\u5b9a\u5206\u91ce\u306b\u7279\u5316\u3057\u305f\u60c5\u5831\u3092\u53c2\u7167\u3057\u3001\u3088\u308a\u9ad8\u5ea6\u306a\u56de\u7b54\u3092\u751f\u6210\u3067\u304d\u308b<\/li><li>\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6027\u306e\u5411\u4e0a\uff1a\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u81ea\u7531\u306b\u9078\u3073\u3001\u7279\u5316\u578bRAG\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3067\u304d\u308b<\/li><li>\u30b3\u30b9\u30c8\u524a\u6e1b\uff1a\u30e2\u30c7\u30eb\u306e\u30c8\u30ec\u30fc\u30cb\u30f3\u30b0\u306b\u304b\u304b\u308b\u30b3\u30b9\u30c8\u3092\u7bc0\u7d04\u3067\u304d\u308b<\/li><li>\u30cf\u30eb\u30b7\u30cd\u30fc\u30b7\u30e7\u30f3\u306e\u8efd\u6e1b\uff1a\u8aa4\u3063\u305f\u56de\u7b54\u3092\u51fa\u3059\u30ea\u30b9\u30af\u3092\u6e1b\u3089\u305b\u308b<\/li><li>\u4f5c\u696d\u6642\u9593\u306e\u77ed\u7e2e\uff1a\u4eba\u9593\u306b\u3088\u308b\u60c5\u5831\u53ce\u96c6\u3084\u691c\u7d22\u306e\u4f5c\u696d\u304c\u4e0d\u8981\u3067\u3001\u8ca0\u62c5\u8efd\u6e1b\u306b\u306a\u308b<\/li><\/ul>\n\n\n\n<p>RAG\u306f\u3001\u52d5\u7684\u306aFAQ\u5fdc\u7b54\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u3084\u3001\u533b\u7642\u5206\u91ce\u3067\u306e\u75c7\u4f8b\u30c7\u30fc\u30bf\u3092\u57fa\u306b\u3057\u305f\u8a3a\u65ad\u652f\u63f4\u306a\u3069\u306b\u3082\u7528\u3044\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<h3>3-3\tRAG\u306e\u30c7\u30e1\u30ea\u30c3\u30c8<\/h3>\n\n\n\n<p>\u4e00\u65b9\u3067\u3001RAG\u306b\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30c7\u30e1\u30ea\u30c3\u30c8\u3082\u8003\u3048\u3089\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li>\u56de\u7b54\u6642\u9593\u304c\u304b\u304b\u308b\uff1a\u691c\u7d22\u51e6\u7406\u304c\u767a\u751f\u3059\u308b\u305f\u3081\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u5f85\u3061\u6642\u9593\u304c\u5897\u3048\u308b<\/li><li>\u8a08\u7b97\u30b3\u30b9\u30c8\u304c\u304b\u304b\u308b\uff1a\u691c\u7d22\u51e6\u7406\u3084\u60c5\u5831\u7d71\u5408\u51e6\u7406\u306b\u304b\u304b\u308b\u30b3\u30b9\u30c8\u304c\u8ffd\u52a0\u3055\u308c\u308b<\/li><li>\u691c\u7d22\u7cbe\u5ea6\u306b\u4f9d\u5b58\u3059\u308b\uff1a\u56de\u7b54\u54c1\u8cea\u304c\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u306e\u6027\u80fd\u306b\u5de6\u53f3\u3055\u308c\u308b<\/li><li>\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u7ba1\u7406\u8ca0\u62c5\u304c\u5897\u3048\u308b\uff1a\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u54c1\u8cea\u3084\u9bae\u5ea6\u3092\u7dad\u6301\u3059\u308b\u7ba1\u7406\u4f53\u5236\u304c\u5fc5\u8981<\/li><\/ul>\n\n\n\n<p>RAG\u306e\u56de\u7b54\u7cbe\u5ea6\u306f\u3001\u691c\u7d22\u3055\u308c\u305f\u60c5\u5831\u306e\u4fe1\u983c\u6027\u3084\u95a2\u9023\u6027\u306b\u5927\u304d\u304f\u5de6\u53f3\u3055\u308c\u307e\u3059\u3002\u691c\u7d22\u7cbe\u5ea6\u304c\u4f4e\u3044\u5834\u5408\u3001LLM\u306b\u8aa4\u3063\u305f\u60c5\u5831\u304c\u4f1d\u308f\u308a\u3001\u6b63\u78ba\u3067\u306f\u306a\u3044\u5185\u5bb9\u3092\u751f\u6210\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u8abf\u6574\u3084\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u60c5\u5831\u6e90\u306e\u9078\u629e\u306a\u3069\u3001\u5c0e\u5165\u4f53\u5236\u3092\u78ba\u7acb\u3057\u305f\u4e0a\u3067RAG\u3092\u5229\u7528\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u95a2\u9023\u8a18\u4e8b\uff1a<a href=\"https:\/\/first-contact.jp\/blog\/article\/rag-jirei\/\">\u751f\u6210AI\u306e\u30d3\u30b8\u30cd\u30b9\u6d3b\u7528\u3067\u826f\u304f\u51fa\u3066\u304f\u308b\u300cRAG\u300d\u3068\u306f\uff1f\u7279\u5fb4\u3084\u696d\u754c\u5225\u6d3b\u7528\u4e8b\u4f8b\u3092\u5206\u304b\u308a\u3084\u3059\u304f\u89e3\u8aac<\/a><\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"994\" height=\"556\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/02\/image-20.png\" alt=\"\" class=\"wp-image-9362\"\/><\/figure>\n\n\n\n<h2>4 LangChain\u3092\u6d3b\u7528\u3057\u305fRAG\u3092\u958b\u767a\u3059\u308b\u30e1\u30ea\u30c3\u30c8&nbsp;<\/h2>\n\n\n\n<p>LangChain\u306f\u3001RAG\u3092\u5b9f\u88c5\u3059\u308b\u305f\u3081\u306e\u5f37\u529b\u306a\u30c4\u30fc\u30eb\u3067\u3059\u3002\u7d44\u307f\u5408\u308f\u305b\u306b\u3088\u3063\u3066\u958b\u767a\u3092\u6700\u9069\u5316\u3067\u304d\u3001\u7c21\u6f54\u306a\u30b3\u30fc\u30c9\u3067\u8907\u96d1\u306a\u51e6\u7406\u3082\u5b9f\u884c\u3067\u304d\u308b\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u30e1\u30ea\u30c3\u30c8\u304c\u898b\u8fbc\u3081\u307e\u3059\u3002\u3053\u3053\u3067\u306f\u3001LangChain\u3092\u4f7f\u3063\u305fRAG\u958b\u767a\u306e\u4e3b\u306a\u30e1\u30ea\u30c3\u30c8\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3>4-1\t\u5fdc\u7b54\u7cbe\u5ea6\u306e\u5411\u4e0a<\/h3>\n\n\n\n<p>LangChain\u306e\u67d4\u8edf\u6027\u3068\u3001RAG\u306e\u6b63\u78ba\u306a\u60c5\u5831\u691c\u7d22\u3092\u7d44\u307f\u5408\u308f\u305b\u3066\u4f7f\u3046\u3053\u3068\u3067\u3001\u751f\u6210AI\u306e\u56de\u7b54\u7cbe\u5ea6\u304c\u5411\u4e0a\u3057\u307e\u3059\u3002LangChain\u306e\u691c\u7d22\u6a5f\u80fd\u3067\u306f\u3001\u5916\u90e8\u306e\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u304b\u3089\u95a2\u9023\u60c5\u5831\u3092\u52b9\u7387\u7684\u306b\u691c\u7d22\u3057\u3001LLM\u306b\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001LLM \u305d\u306e\u3082\u306e\u306e\u77e5\u8b58\u306b\u52a0\u3048\u3001\u6700\u65b0\u306e\u60c5\u5831\u3084\u5c02\u9580\u77e5\u8b58\u3092\u6d3b\u7528\u3057\u305f\u56de\u7b54\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u884c\u3048\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002\u7279\u306b\u3001\u60c5\u5831\u306e\u66f4\u65b0\u983b\u5ea6\u304c\u9ad8\u3044\u5206\u91ce\u3084\u3001\u5c02\u9580\u7528\u8a9e\u304c\u3088\u304f\u4f7f\u308f\u308c\u308b\u5206\u91ce\u3067\u306f\u3001LangChain \u306e\u6709\u52b9\u6027\u304c\u767a\u63ee\u3055\u308c\u308b\u3067\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3>4-2\t\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u3067\u7684\u78ba\u306a\u60c5\u5831\u63d0\u4f9b\u304c\u53ef\u80fd<\/h3>\n\n\n\n<p>ChatGPT \u306a\u3069\u306e\u751f\u6210AI\u30c4\u30fc\u30eb\u3067\u306f\u3001\u6700\u65b0\u66f4\u65b0\u307e\u3067\u306e\u30c7\u30fc\u30bf\u3057\u304b\u84c4\u7a4d\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u6700\u65b0\u60c5\u5831\u306b\u95a2\u3059\u308b\u8cea\u554f\u306b\u306f\u56de\u7b54\u3067\u304d\u306a\u3044\u5834\u5408\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>LangChain \u3092\u7528\u3044\u308b\u3053\u3068\u3067\u3001\u751f\u6210AI\u304c\u6700\u65b0\u306e\u60c5\u5831\u3092\u6d3b\u7528\u3057\u305f\u56de\u7b54\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002\u30ea\u30a2\u30eb\u30bf\u30a4\u30e0\u6027\u304c\u6c42\u3081\u3089\u308c\u308b\u5834\u9762\u3067\u3082\u3001\u7684\u78ba\u306a\u60c5\u5831\u63d0\u4f9b\u304c\u53ef\u80fd\u3067\u3059\u3002\u4f8b\u3048\u3070\u3001\u30cb\u30e5\u30fc\u30b9\u8a18\u4e8b\u3084\u682a\u4fa1\u60c5\u5831\u306a\u3069\u304b\u3089\u5fc5\u8981\u306a\u60c5\u5831\u3092\u62bd\u51fa\u3057\u3001LLM\u304c\u523b\u3005\u3068\u5909\u5316\u3059\u308b\u72b6\u6cc1\u306b\u5bfe\u5fdc\u3057\u305f\u60c5\u5831\u63d0\u4f9b\u3092\u5b9f\u73fe\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3>4-3\t\u30d7\u30ed\u30f3\u30d7\u30c8\u306e\u52b9\u7387\u7684\u306a\u7ba1\u7406<\/h3>\n\n\n\n<p>LangChain\u306f\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u52b9\u7387\u7684\u306b\u7ba1\u7406\u3057\u3066\u304a\u308a\u3001\u81ea\u7136\u306a\u6d41\u308c\u3067\u5bfe\u8a71\u3092\u9032\u3081\u3089\u308c\u307e\u3059\u3002\u30d7\u30ed\u30f3\u30d7\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u6a5f\u80fd\u306b\u3088\u308a\u3001\u8c4a\u5bcc\u306a\u30d7\u30ed\u30f3\u30d7\u30c8\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304b\u3089\u76ee\u7684\u306b\u5fdc\u3058\u305f\u5165\u529b\u3092\u9078\u629e\u3059\u308b\u305f\u3081\u3001\u4e00\u8cab\u6027\u306e\u3042\u308b\u5fdc\u7b54\u3092\u751f\u6210\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u7279\u5b9a\u306e\u30cb\u30fc\u30ba\u306b\u5bfe\u3057\u3066\u9069\u5207\u306a\u56de\u7b54\u3092\u30b9\u30e0\u30fc\u30ba\u306b\u5c0e\u304d\u51fa\u305b\u308b\u3088\u3046\u306b\u306a\u308a\u3001\u30e6\u30fc\u30b6\u30fc\u4f53\u9a13\u306e\u5411\u4e0a\u3084\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u54c1\u8cea\u5411\u4e0a\u306b\u3082\u5bc4\u4e0e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3>4-4\t\u5fdc\u7b54\u5185\u5bb9\u306e\u67d4\u8edf\u6027\u304c\u5897\u3059<\/h3>\n\n\n\n<p>\u307e\u305f\u3001LangChain\u3067\u306f\u3001LLM\u306e\u5fdc\u7b54\u5185\u5bb9\u3092\u67d4\u8edf\u306b\u3059\u308b\u6a5f\u80fd\u3092\u642d\u8f09\u3057\u3066\u3044\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u7279\u5b9a\u30ad\u30fc\u30ef\u30fc\u30c9\u306e\u5f37\u8abf\u3084\u56de\u7b54\u5f62\u5f0f\u306e\u6307\u5b9a\u306a\u3069\u306b\u3088\u308a\u3001\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3066\u67d4\u8edf\u306b\u56de\u7b54\u3092\u63d0\u4f9b\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001LangChain \u304c\u751f\u6210AI\u306b\u304a\u3051\u308b\u6587\u8108\u7406\u89e3\u3092\u4fc3\u3059\u305f\u3081\u3001\u5b9a\u578b\u5fdc\u7b54\u3060\u3051\u3067\u306a\u304f\u3001\u8907\u96d1\u306a\u8cea\u554f\u306b\u3082\u5bfe\u5fdc\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3>4-5\tRAG\u306e\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3082\u53ef\u80fd<\/h3>\n\n\n\n<p>LangChain\u306f\u3001RAG\u306e\u3055\u307e\u3056\u307e\u306a\u8981\u7d20\u3092\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002\u4f8b\u3048\u3070\u3001\u691c\u7d22\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3084\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u81ea\u7531\u306b\u9078\u629e\u3059\u308b\u3001\u691c\u7d22\u7d50\u679c\u306e\u9806\u4f4d\u3092\u8abf\u6574\u3059\u308b\u306a\u3069\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u3053\u308c\u306b\u3088\u308a\u3001\u7279\u5b9a\u306e\u7528\u9014\u306b\u7279\u5316\u3057\u305fRAG\u30b7\u30b9\u30c6\u30e0\u306e\u69cb\u7bc9\u304c\u5bb9\u6613\u306b\u306a\u308a\u307e\u3059\u3002\u5177\u4f53\u7684\u306b\u306f\u3001LangChain\u306b\u3088\u308b\u8907\u6570\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u306e\u7d71\u5408\u3057\u3001\u30de\u30eb\u30c1\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u5bfe\u5fdc\u306eRAG\u3092\u69cb\u7bc9\u3059\u308b\u3068\u3044\u3063\u305f\u4f7f\u3044\u65b9\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"993\" height=\"552\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/02\/image-21.png\" alt=\"\" class=\"wp-image-9363\"\/><\/figure>\n\n\n\n<h2>5 LangChain\u3092\u4f7f\u3063\u305fRAG\u306e\u5b9f\u88c5\u65b9\u6cd5<\/h2>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u306f\u3001LangChain\u3092\u6d3b\u7528\u3057\u305fRAG\u306e\u5b9f\u88c5\u624b\u9806\u3092\u5177\u4f53\u7684\u306b\u7d39\u4ecb\u3057\u307e\u3059\u3002LangChain\u306e\u6a5f\u80fd\u6027\u3092\u6700\u5927\u9650\u306b\u6d3b\u304b\u3059\u305f\u3081\u306b\u3001Python \u306e\u4f7f\u7528\u304c\u63a8\u5968\u3055\u308c\u3066\u3044\u307e\u3059\u3002Python\u3092\u4f7f\u3063\u305f\u958b\u767a\u624b\u9806\u3092\u898b\u3066\u3044\u304d\u307e\u3057\u3087\u3046\u3002<\/p>\n\n\n\n<h3>5-1\t\u5c0e\u5165\u74b0\u5883\u306e\u69cb\u7bc9<\/h3>\n\n\n\n<p>LangChain\u3092\u5c0e\u5165\u3059\u308b\u524d\u306b\u3001\u30b7\u30b9\u30c6\u30e0\u304c\u8981\u4ef6\u3092\u6e80\u305f\u3057\u3066\u3044\u308b\u304b\u3001\u5c0e\u5165\u74b0\u5883\u3092\u78ba\u8a8d\u3057\u307e\u3057\u3087\u3046\u3002Python\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u3084\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u4e92\u63db\u6027\u3092\u30c1\u30a7\u30c3\u30af\u3057\u3001\u9069\u5207\u306b\u8a2d\u5b9a\u3055\u308c\u3066\u3044\u308b\u304b\u3092\u691c\u8a0e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u958b\u767a\u306b\u5fc5\u8981\u306a\u30c4\u30fc\u30eb\u3092\u6e96\u5099\u3057\u307e\u3059\u3002Python\u306e\u30e9\u30a4\u30d6\u30e9\u30ea\u3068\u3001LLM\u30d7\u30ed\u30d0\u30a4\u30c0\uff08OpenAI\u306a\u3069\uff09\u306eAPI\u30ad\u30fc\u3092\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u4f8b\u3068\u3057\u3066\u3001OpenAI \u306e API \u30ad\u30fc\u306e\u53d6\u5f97\u65b9\u6cd5\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<ol><li>OpenAI \u306e\u516c\u5f0f\u30b5\u30a4\u30c8\u3067\u300cAPI reference\u300d\u3092\u9078\u629e\u3059\u308b<\/li><li>\u30a2\u30ab\u30a6\u30f3\u30c8\u3092\u4f5c\u6210\u3059\u308b<\/li><li>\u300c+ Create new secret key\u300d\u3092\u30af\u30ea\u30c3\u30af\u3057\u3066API\u30ad\u30fc\u3092\u767a\u884c\u3059\u308b<\/li><li>API \u30ad\u30fc\u3092\u30b3\u30d4\u30fc\u3057\u3066\u3001Python \u306b\u8a2d\u5b9a\u3059\u308b<\/li><\/ol>\n\n\n\n<p>\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u3001LangChain \u306e\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u3084GitHub\u306e\u30ea\u30dd\u30b8\u30c8\u30ea\u3067\u3001\u958b\u767a\u306b\u5fc5\u8981\u306a\u60c5\u5831\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h3>5-2\tRAG\u306e\u5b9f\u88c5\u6e96\u5099<\/h3>\n\n\n\n<p>\u6b21\u306b\u3001RAG \u306e\u5b9f\u88c5\u6e96\u5099\u3092\u884c\u3044\u307e\u3059\u3002\u30c6\u30ad\u30b9\u30c8\u30d5\u30a1\u30a4\u30eb\u3084\u6587\u66f8\u3001\u5916\u90e8\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306a\u3069\u5fc5\u8981\u306a\u30c7\u30fc\u30bf\u30bd\u30fc\u30b9\u3092\u7528\u610f\u3057\u307e\u3059\u3002PDF \u3084Web\u30b5\u30a4\u30c8\u306a\u3069\u3001\u3055\u307e\u3056\u307e\u306a\u5f62\u5f0f\u306e\u30c7\u30fc\u30bf\u3092\u5229\u7528\u3067\u304d\u307e\u3059\u3002LangChain \u3067\u6271\u3044\u3084\u3059\u3044\u3088\u3046\u306b\u3001\u30c7\u30fc\u30bf\u3092\u9069\u5207\u306a\u91cf\u306b\u5206\u5272\u3057\u3066\u304a\u304f\u3068\u30b9\u30e0\u30fc\u30ba\u3067\u3059\u3002<\/p>\n\n\n\n<h3>5-3\tLangChain\u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3068\u57fa\u672c\u8a2d\u5b9a\u306e\u8abf\u6574<\/h3>\n\n\n\n<p>LangChain \u306e\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u306f\u3001Python \u30d1\u30c3\u30b1\u30fc\u30b8\u30de\u30cd\u30fc\u30b8\u30e3\uff08pip\uff09\u3092\u4f7f\u3046\u3053\u3068\u3067\u7c21\u5358\u306b\u5b8c\u4e86\u3057\u307e\u3059\u3002\u307e\u305f\u3001\u7279\u5b9a\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u8981\u4ef6\u306b\u5408\u3046\u3088\u3046\u3001\u8a2d\u5b9a\u306e\u8abf\u6574\u304c\u5fc5\u8981\u3067\u3059\u3002\u4f7f\u7528\u3059\u308b\u8a00\u8a9e\u30e2\u30c7\u30eb\u3084 API \u30ad\u30fc\u3001\u30ea\u30af\u30a8\u30b9\u30c8\u306e\u30bf\u30a4\u30e0\u30a2\u30a6\u30c8\u8a2d\u5b9a\u306a\u3069\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5408\u308f\u305b\u3066\u8a2d\u5b9a\u3059\u308b\u3053\u3068\u3067\u3001LangChain \u3092\u3088\u308a\u52b9\u7387\u7684\u306b\u6d3b\u7528\u3067\u304d\u308b\u74b0\u5883\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2>6 LangChain\u306e\u57fa\u672c\u5b9f\u88c5\u3068\u30b3\u30fc\u30c9\u4f8b<\/h2>\n\n\n\n<p> \u5b9f\u969b\u306e RAG \u5b9f\u88c5\u4f8b\u3068\u3057\u3066\u3001\u30d7\u30ed\u30f3\u30d7\u30c8\u3092\u9001\u4fe1\u3057\u3001\u7d50\u679c\u3092\u53d6\u5f97\u3057\u3066\u751f\u6210\u30e2\u30c7\u30eb\u306b\u5165\u529b\u3059\u308b\u30b3\u30fc\u30c9\u4f8b\u3092\u4ee5\u4e0b\u306b\u793a\u3057\u307e\u3059 <\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>from langchain.embeddings.openai import OpenAIEmbeddings\nfrom langchain.vectorstores import FAISS\nfrom langchain.chains import RetrievalQA\nfrom langchain.llms import OpenAI\n\n# LLM\u306e\u6e96\u5099\nllm = OpenAI(temperature=0)\n\n# Embedding\u306e\u6e96\u5099\nembeddings = OpenAIEmbeddings()\n\n# \u30d9\u30af\u30c8\u30eb\u30b9\u30c8\u30a2\u306e\u6e96\u5099\ndb = FAISS.from_texts(&#91;\"hoge\", \"fuga\", \"piyo\"], embeddings)\n\n# QA\u30c1\u30a7\u30fc\u30f3\u306e\u6e96\u5099\nqa = RetrievalQA.from_chain_type(llm=llm, chain_type=\"stuff\", retriever=db.as_retriever())\n\n# \u8cea\u554f\u5fdc\u7b54\nquery = \"hoge\u3068\u306f\uff1f\"\nresult = qa.run(query)\nprint(result)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8a18\u306f\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8cea\u554f\u3092\u53d7\u3051\u53d6\u3063\u3066\u3001\u691c\u7d22\u3092\u884c\u3044\u3001\u96c6\u3081\u305f\u60c5\u5831\u3092\u57fa\u306b\u751f\u6210\u30e2\u30c7\u30eb\u304c\u5fdc\u7b54\u3092\u751f\u6210\u3059\u308b\u30d7\u30ed\u30bb\u30b9\u3067\u3059\u3002LangChain\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u4e00\u9023\u306e\u30d7\u30ed\u30bb\u30b9\u3092\u7c21\u6f54\u306a\u30b3\u30fc\u30c9\u3067\u307e\u3068\u3081\u308b\u3053\u3068\u304c\u3067\u304d\u3001\u52b9\u7387\u7684\u306bRAG\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2>7 LangChain\u3092\u4f7f\u3063\u305fRAG\u306e\u4e3b\u306a\u6d3b\u7528\u30b7\u30fc\u30f3<\/h2>\n\n\n\n<p>LangChain\u3092\u4f7f\u3063\u305fRAG\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u30b7\u30fc\u30f3\u3084\u7528\u9014\u3067\u6d3b\u7528\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li>\u30ab\u30b9\u30bf\u30de\u30fc\u30b5\u30dd\u30fc\u30c8\u5bfe\u5fdc\u306e\u52b9\u7387\u5316\u3001\u500b\u5225\u5bfe\u5fdc\u306e\u5b9f\u73fe<\/li><li>\u88fd\u54c1\u30de\u30cb\u30e5\u30a2\u30eb\u3084FAQ\u3092\u57fa\u306b\u3057\u305f\u56de\u7b54\u751f\u6210\u306e\u81ea\u52d5\u5316<\/li><li>\u793e\u5185\u60c5\u5831\u691c\u7d22\u30b7\u30b9\u30c6\u30e0\u30fb\u30ca\u30ec\u30c3\u30b8\u30de\u30cd\u30b8\u30e1\u30f3\u30c8\u306e\u69cb\u7bc9<\/li><li>\u591a\u8a00\u8a9e\u5bfe\u5fdc\u306e\u751f\u6210AI\u30a8\u30fc\u30b8\u30a7\u30f3\u30c8<\/li><li>\u793e\u5185\u306e\u81a8\u5927\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u6574\u7406<\/li><li>EC\u30b5\u30a4\u30c8\u306b\u304a\u3051\u308b\u95a2\u9023\u5546\u54c1\u3084\u30b5\u30dd\u30fc\u30c8\u60c5\u5831\u306e\u8aac\u660e<\/li><li>\u8cfc\u5165\u8005\u306e\u30ec\u30d3\u30e5\u30fc\u306b\u57fa\u3065\u304f\u56de\u7b54\u306e\u63d0\u4f9b<\/li><li>\u533b\u7642\u30ac\u30a4\u30c9\u30e9\u30a4\u30f3\u3084\u8ad6\u6587\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u306e\u691c\u7d22\u306e\u81ea\u52d5\u5316<\/li><li>\u533b\u7642\u73fe\u5834\u3067\u306e\u5bfe\u5fdc\u306e\u52b9\u7387\u5316<\/li><li>\u6cd5\u5f8b\u6587\u66f8\u3084\u5951\u7d04\u66f8\u304b\u3089\u306e\u60c5\u5831\u62bd\u51fa<\/li><\/ul>\n\n\n\n<p>LangChain \u3092\u4f7f\u3063\u305f RAG \u3092\u5fdc\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u69d8\u306a\u5206\u91ce\u306b\u304a\u3044\u3066\u696d\u52d9\u52b9\u7387\u5316\u3084\u696d\u52d9\u8ca0\u62c5\u306e\u8efd\u6e1b\u3092\u4fc3\u3059\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"994\" height=\"559\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/02\/image-22.png\" alt=\"\" class=\"wp-image-9364\"\/><\/figure>\n\n\n\n<h2>8 \u4f01\u696d\u306b\u304a\u3051\u308bLangChain\u3068RAG\u306e\u958b\u767a\u30fb\u6d3b\u7528\u4e8b\u4f8b<\/h2>\n\n\n\n<p>\u3053\u3053\u304b\u3089\u306f\u3001LangChain\u3068RAG\u306b\u3088\u308b\u4f01\u696d\u306e\u958b\u767a\u4e8b\u4f8b\u3084\u6d3b\u7528\u4e8b\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3>8-1\t\u697d\u5929AI for Business\uff1a\u901a\u4fe1\u696d\u754c\u306b\u7279\u5316\u3057\u305f\u6700\u65b0AI\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u958b\u767a<\/h3>\n\n\n\n<p>\u697d\u5929\u30b0\u30eb\u30fc\u30d7\u682a\u5f0f\u4f1a\u793e\u306f\u3001LangChain \u3092\u4f7f\u7528\u3057\u305fAI\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u300c\u697d\u5929AI for Business\u300d\u3092\u5c55\u958b\u3057\u3066\u3044\u307e\u3059\u3002\u697d\u5929AI for Business \u306f\u3001\u6700\u5148\u7aef\u306eAI\u6280\u8853\u3092\u7528\u3044\u3066\u3001\u30e6\u30fc\u30b6\u30fc\u306e\u8ab2\u984c\u89e3\u6c7a\u3092\u884c\u3046\u3053\u3068\u3092\u76ee\u7684\u3068\u3057\u3066\u3044\u307e\u3059\u3002\u5e02\u5834\u5206\u6790\u3084\u696d\u52d9\u6539\u5584\u3001\u9867\u5ba2\u3068\u306e\u95a2\u4fc2\u6027\u306e\u5f37\u5316\u3068\u3044\u3063\u305f\u4f01\u696d\u6d3b\u52d5\u3092\u7dcf\u5408\u7684\u306b\u652f\u63f4\u3067\u304d\u3001\u3055\u307e\u3056\u307e\u306a\u696d\u52d9\u306e\u6700\u9069\u5316\u3092\u4fc3\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u30b7\u30b9\u30c6\u30e0\u4e0a\u3067\u306f\u3001RAG \u6a5f\u80fd\u306b\u3088\u308a\u3001\u30d5\u30a1\u30a4\u30eb\u3092\u30a2\u30c3\u30d7\u30ed\u30fc\u30c9\u3057\u3001\u5fc5\u8981\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u60c5\u5831\u3092\u691c\u7d22\u3057\u3066\u3001\u793e\u54e1\u306e\u8cea\u554f\u306b\u56de\u7b54\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002\u6b63\u3057\u3044\u60c5\u5831\u3092\u8fc5\u901f\u306b\u53c2\u7167\u3059\u308b\u3053\u3068\u3067\u3001\u4e8b\u5b9f\u3068\u7570\u306a\u308b\u5185\u5bb9\u3092\u751f\u6210\u3057\u3066\u3057\u307e\u3046\u30cf\u30eb\u30b7\u30cd\u30fc\u30b7\u30e7\u30f3\u3092\u6291\u5236\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u307e\u305f\u3001\u30b7\u30b9\u30c6\u30e0\u306b\u5165\u529b\u3055\u308c\u305f\u60c5\u5831\u306f\u3001AI\u306e\u5b66\u7fd2\u306b\u7121\u65ad\u3067\u5229\u7528\u3055\u308c\u308b\u5fc3\u914d\u304c\u306a\u304f\u3001\u9ad8\u3044\u5b89\u5168\u6027\u306e\u57fa\u3067\u6d3b\u7528\u3067\u304d\u308b\u70b9\u3082\u5b89\u5fc3\u3067\u3059\u3002\u8077\u7a2e\u5225\u306e\u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u304c\u8c4a\u5bcc\u3067\u3001\u7d4c\u9a13\u306e\u6d45\u3044\u793e\u54e1\u3067\u3082\u9ad8\u7cbe\u5ea6\u306a\u30a2\u30a6\u30c8\u30d7\u30c3\u30c8\u304c\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3>8-2\t\u533b\u7642\u6cd5\u4eba\u30d5\u30eb\u30fc\u30c4\uff1aAI\u30c1\u30e3\u30c3\u30c8\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u958b\u767a<\/h3>\n\n\n\n<p>\u533b\u7642\u6cd5\u4eba\u30d5\u30eb\u30fc\u30c4\u3068\u682a\u5f0f\u4f1a\u793e mofmof \u306f\u5171\u540c\u3067\u3001LangChain \u3068 RAG \u6d3b\u7528\u3057\u305f\u30e1\u30e2\u30a2\u30d7\u30ea\u306e\u30d7\u30ed\u30c8\u30bf\u30a4\u30d7\u3092\u30012\u30f6\u6708\u3068\u3044\u3046\u77ed\u671f\u9593\u3067\u958b\u767a\u3057\u307e\u3057\u305f\u3002\u30e1\u30e2\u30a2\u30d7\u30ea\u306f\u3001\u533b\u7642\u6cd5\u4eba\u30d5\u30eb\u30fc\u30c4\u304c\u6301\u3064\u77e5\u8b58\u3092\u6d3b\u7528\u3057\u3001\u5916\u90e8\u306e\u77e5\u8b58\u30d9\u30fc\u30b9\u304b\u3089\u4e8b\u5b9f\u3092\u691c\u7d22\u3057\u3066LLM\u306b\u56de\u7b54\u3092\u751f\u6210\u3055\u305b\u308b\u4ed5\u7d44\u307f\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306f\u3001\u958b\u767a\u652f\u63f4\u30b5\u30fc\u30d3\u30b9\u300c\u30b5\u30af\u30c3\u3068MVP\u30e9\u30dc\u300d\u306e\u652f\u63f4\u3092\u53d7\u3051\u3066\u3044\u307e\u3059\u3002\u682a\u5f0f\u4f1a\u793emofmof\u306b\u3068\u3063\u3066\u3001LangChain \u3068 OpenAI 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class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"1400\" height=\"517\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/04\/VF20\u5468\u5e74\u30ed\u30b4.png\" alt=\"\" class=\"wp-image-9569\"\/><\/figure>\n\n\n\n<h3>\u307e\u3060\u307e\u3060\u9593\u306b\u5408\u3046\u751f\u6210AI\u306e\u696d\u52d9\u5229\u7528<\/h3>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3092\u57f7\u7b46\u3057\u3066\u3044\u308b\u682a\u5f0f\u4f1a\u793e\u30d0\u30a4\u30bf\u30ea\u30d5\u30a3\u306fWeb\u3084\u30a2\u30d7\u30ea\u958b\u767a\u306a\u3069\u3092\u4e2d\u5fc3\u306b\u9867\u5ba2\u306eDX\u5316\u3092\u652f\u63f4\u3057\u3001 2025\u5e749\u6708\u306720\u5468\u5e74\u3092\u8fce\u3048\u307e\u3057\u305f\u3002\u591a\u304f\u306e\u304a\u5ba2\u69d8\u3001\u95a2\u4fc2\u8005\u306e\u7686\u69d8\u306b\u652f\u3048\u3089\u308c\u306a\u304c\u3089\u3001\u3053\u3046\u3057\u306620\u5e74\u9593\u306b\u6e21\u308a\u7269\u3065\u304f\u308a\u306b\u643a\u308f\u308b\u4e8b\u304c\u3067\u304d\u305f\u4e8b\u3001\u5927\u5909\u611f\u8b1d\u7533\u3057\u4e0a\u3052\u307e\u3059\u3002<\/p>\n\n\n\n<p>20\u5468\u5e74\u3092\u8fce\u3048\u305f\u5f53\u793e\u306f\u65b0\u4ee3\u8868\u306b\u30a2\u30a4\u30b9\u30de\u30a4\u30ea\u30fc\u793e\uff08AI\u30e1\u30c7\u30a3\u30a2\uff09\u306e\u677f\u7fbd\u6643\u53f8\u3092\u4ee3\u8868\u306b\u8fce\u3048\u3001\u65b0\u305f\u306b\u300c\u751f\u6210AI\u300d\u306e\u30d0\u30a4\u30bf\u30ea\u30d5\u30a3\u3068\u3057\u3066\u518d\u51fa\u767a\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<ul><li>\u30b3\u30b9\u30c8\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306b\u512a\u308c\u308b\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u300eFirstContact\u300f\u306b\u3064\u3044\u3066\u3001\u30b7\u30ca\u30ea\u30aa\u578b\u3068\u751f\u6210AI\u3092\u30cf\u30a4\u30d6\u30ea\u30c3\u30c9\u5229\u7528\u3067\u304d\u308b\u3088\u3046\u306b\u88fd\u54c1\u3092\u30d0\u30fc\u30b8\u30e7\u30f3\u30a2\u30c3\u30d7\uff08\u6210\u679c\u3068\u8cbb\u7528\u3001\u671f\u5f85\u5024\u306e\u30d0\u30e9\u30f3\u30b9\u306b\u512a\u308c\u305f\u65b0\u3057\u3044\u751f\u6210AI\u306e\u6d3b\u7528\u65b9\u6cd5\u3067\u3059\uff09<\/li><li>\u3053\u308c\u307e\u3067\u5229\u7528\u3057\u3066\u304d\u305f\u57fa\u5e79\u7cfb\u30b7\u30b9\u30c6\u30e0\u3001\u3082\u3057\u304f\u306fWeb\u3084\u30a2\u30d7\u30ea\u306b &#8220;\u751f\u6210AI\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u3066&#8221; \u3055\u3089\u306a\u308b\u696d\u52d9\u52b9\u7387\u5316\u3092\u63a8\u9032\u3059\u308b<\/li><li>\u300c\u753b\u50cf\u751f\u6210AI\uff08\u30c8\u30e9\u30e0\u793e\uff09\u300d\u300cEC\u30ec\u30b3\u30e1\u30f3\u30c9AI\uff08\u30b5\u30f3\u30af\u30e6\u30fc\u793e\uff09\u300d\u300c\u30bb\u30ad\u30e5\u30a2GAI(\u30b9\u30af\u30fc\u30c6\u30a3\u30fc\u793e)\u300d\u306a\u3069\u306e\u69d8\u3005\u306aAI\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3092\u7528\u3044\u3001\u30d0\u30a4\u30bf\u30ea\u30d5\u30a3\u30b0\u30eb\u30fc\u30d7\u5168\u4f53\u3067\u9867\u5ba2\u306eAI\u5316\u3092\u30b5\u30dd\u30fc\u30c8<\/li><\/ul>\n\n\n\n<p>\u3053\u308c\u304b\u3089\u3082\u30d0\u30a4\u30bf\u30ea\u30d5\u30a3\u306f\u304a\u5ba2\u69d8\u3092AI\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3\u3067\u652f\u3048\u3001\u5909\u5316\u306e\u6fc0\u3057\u3044\u73fe\u4ee3\u3092\u751f\u304d\u6b8b\u308c\u308b\u4f1a\u793e\u3068\u306a\u308c\u308b\u3088\u3046\u3001\u3057\u3063\u304b\u308a\u30b5\u30dd\u30fc\u30c8\u3055\u305b\u3066\u9802\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2024\/09\/image-18.png\" alt=\"\u3053\u306e\u753b\u50cf\u306b\u306f alt \u5c5e\u6027\u304c\u6307\u5b9a\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306f image-18.png \u3067\u3059\"\/><\/figure>\n\n\n\n<h3>\u305d\u3093\u306a\u30d0\u30a4\u30bf\u30ea\u30d5\u30a3\u304c\u63d0\u6848\u3059\u308b\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\uff08\u751f\u6210AI\uff09<\/h3>\n\n\n\n<p>\u30d0\u30a4\u30bf\u30ea\u30d5\u30a3\u304c\u63d0\u6848\u3059\u308b\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u306f\u300c\u8cbb\u7528\u300d\u3068\u300c\u6210\u679c\u300d\u306e\u30d0\u30e9\u30f3\u30b9\u306b\u512a\u308c\u305f\u3001\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u3089\u308c\u308b\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u3067\u3059\u3002\u4f8b\u3048\u3070\u3053\u3046\u3044\u3046\u4e8b\u306f\u3042\u308a\u307e\u305b\u3093\u304b\uff1f<\/p>\n\n\n\n<ul><li>\u751f\u6210AI\u6a5f\u80fd\u3092\u642d\u8f09\u3057\u305f\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u3092\u6708\u984d30\u4e07\u3067\u5229\u7528\u3057\u3066\u3044\u308b\u304c\u3001\u305d\u3053\u307e\u3067\u8ce2\u304f\u306a\u304f\uff1f\u6bce\u670830\u4e07\u3092\u652f\u6255\u3046\u307e\u3067\u306e\u671f\u5f85\u5024\u3001\u4fa1\u5024\u306f\u898b\u3044\u3060\u305b\u3066\u3044\u306a\u3044<\/li><li>\u6700\u8fd1\u306f\u3069\u3053\u306e\u4f1a\u793e\u306e\u30db\u30fc\u30e0\u30da\u30fc\u30b8\u306b\u3082\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u304c\u8a2d\u7f6e\u3055\u308c\u3066\u304a\u308a\u3001\u81ea\u793e\u306b\u306f\u8a2d\u7f6e\u3067\u304d\u3066\u3044\u306a\u3044\u3001\u307e\u305a\u306f\u7c21\u5358\u3067\u3044\u3044\u306e\u3067\u8cbb\u7528\u3092\u6291\u3048\u306a\u304c\u3089\u8a2d\u7f6e\u3057\u3066\u307f\u305f\u3044<\/li><\/ul>\n\n\n\n<p><strong>\u751f\u6210AI\u306f\u5229\u7528\u3057\u306a\u3044\u3088\u308a\u306f\u5229\u7528\u3057\u305f\u65b9\u304c\u78ba\u5b9f\u306b\u826f\u3044\u306e\u306f\u7406\u89e3\u3067\u304d\u3066\u304d\u305f\u304c\u3001<\/strong> <strong>\u307e\u3060\u307e\u3060\u767a\u5c55\u9014\u4e0a\u306e\u305f\u3081\u3001<\/strong> <strong>\u3069\u3053\u307e\u3067\u8cbb\u7528\u304b\u3051\u3066\u6210\u679c\u3092\u6c42\u3081\u308b\u306e\u304b\u3001\u305d\u306e\u30d0\u30e9\u30f3\u30b9\u306e\u5224\u65ad\u304c\u73fe\u72b6\u306f\u96e3\u3057\u3044\u6240\u3067\u306f\u306a\u3044\u3067\u3057\u3087\u3046\u304b\uff1f<\/strong><\/p>\n\n\n\n<p><strong>\u305d\u3053\u3067\u30d0\u30a4\u30bf\u30a4\u30ea\u30d5\u30a3\u3067\u306f\u3001\u304a\u5ba2\u69d8\u306e\u30cb\u30fc\u30ba\u306b\u5408\u308f\u305b\u305f\u3001\u8cbb\u7528\u3068\u6210\u679c\u306e\u30d0\u30e9\u30f3\u30b9\u306e\u53d6\u308c\u305f\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u5c0e\u5165\u3092\u63d0\u6848\u3057\u3066\u3044\u307e\u3059\u3002<\/strong><\/p>\n\n\n\n<ol><li>\u307e\u305a\u306f\u81ea\u793eWeb\u30b5\u30a4\u30c8\u306b\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u3092\u8a2d\u7f6e\u3057\u305f\u3044<br>\u2192\u6708\u984d2980\u5186\u3067\u8a2d\u7f6e\u53ef\u80fd\u3001\u9867\u5ba2\u3068\u306e\u30bf\u30c3\u30c1\u30dd\u30a4\u30f3\u30c8\u3068\u3057\u3066\u306e\u5f79\u5272\u3092\u62c5\u308f\u305b\u308b<\/li><li>\u8272\u3005\u306a\u60c5\u5831\u30bd\u30fc\u30b9\uff08Web\u30da\u30fc\u30b8\u3001\u793e\u5185\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\uff09\u3092\u8aad\u307f\u8fbc\u307e\u305b\u3001\u305d\u308c\u3089\u3092AI\u306b\u5b66\u7fd2\u3057\u305f\u4e0a\u3067\u56de\u7b54\u3055\u305b\u305f\u3044<br>\u2192\u6708\u984d6\u4e07\uff5e \u8a2d\u7f6e\u53ef\u80fd\u3001ChatGPT\u306a\u3069\u304c\u5229\u7528\u53ef\u80fd\u3067\u3059<\/li><li>\u52b9\u679c\u3092\u611f\u3058\u306a\u304c\u3089\u5c11\u3057\u305a\u3064\u6a5f\u80fd\u62e1\u5f35\u3057\u305f\u3044<br>\u2192\u6708\u984d2\u4e07\u5186\u304b\u3089\u30b9\u30bf\u30fc\u30c8\u3001\u751f\u6210AI\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u306f\u5b66\u7fd2\u30c7\u30fc\u30bf\u3092\u53d6\u308a\u8fbc\u3081\u3070\u5373\u6226\u529b\u306b\u306a\u308b\u308f\u3051\u3067\u306f\u306a\u304f\u3001\u500b\u793e\u3054\u3068\u306e\u51fa\u529b\u8abf\u6574\u304c\u5fc5\u8981\u3068\u306a\u308a\u307e\u3059\u3002 \u30d0\u30a4\u30bf\u30ea\u30d5\u30a3\u306f\u5c0e\u5165\u6642\u304b\u3089\u5373\u6226\u529b\u3068\u3057\u3066\u6d3b\u7528\u3044\u305f\u3060\u3051\u308b\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u3068\u3059\u308b\u70ba\u306e\u30b5\u30dd\u30fc\u30c8\u306b\u6ce8\u529b\u3092\u884c\u3063\u3066\u304a\u308a\u307e\u3059\u3002 \u307e\u305f\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u6027\u306b\u3059\u3050\u308c\u3066\u304a\u308a\u3001\u6bb5\u968e\u7684\u306b\u6d3b\u7528\u306e\u5e45\u3092\u5e83\u3052\u308b\u3054\u63d0\u6848\u3082\u53ef\u80fd\u3067\u3059\u3002 \u521d\u671f\u306f\u57fa\u672c\u7684\u306a\u6a5f\u80fd\u304b\u3089\u59cb\u3081\u3001\u5f90\u3005\u306b\u9ad8\u5ea6\u306a\u6a5f\u80fd\u3092\u8ffd\u52a0\u3057\u3066\u3044\u304f\u3053\u3068\u304c\u53ef\u80fd\u3067\u3059\u3002 <\/li><\/ol>\n\n\n\n<figure class=\"wp-block-image size-large\"><img loading=\"lazy\" width=\"871\" height=\"733\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/02\/image_2024_12_11-1.png\" alt=\"\" class=\"wp-image-9409\"\/><\/figure>\n\n\n\n<div style=\"height:44px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3><strong>\u25a0\u300cFirstContact\u300d20\u65e5\u9593\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u5b9f\u65bd\u4e2d\uff01<\/strong><\/h3>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" width=\"1024\" height=\"256\" src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2025\/12\/torial2-6.png\" alt=\"\" class=\"wp-image-10685\"\/><\/figure>\n\n\n\n<p>FirstContact\u3067\u306f\u30b5\u30dd\u30fc\u30c8\u4ed8\u304d\u306720\u65e5\u9593\u306e\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u3092\u5b9f\u65bd\u3057\u3066\u3044\u307e\u3059\u3002\u30c7\u30e2\u30b5\u30a4\u30c8\u3084\u5b9f\u969b\u306b\u64cd\u4f5c\u53ef\u80fd\u306a\u7ba1\u7406\u753b\u9762\u3082\u7528\u610f\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u203b\u8cb4\u793e\u958b\u767a\u7528\u306e\u30b5\u30a4\u30c8\u3078\u306e\u5c0e\u5165\u3082\u53ef\u80fd\uff01<\/p>\n\n\n\n<p>\u3054\u5e0c\u671b\u306e\u30d7\u30e9\u30f3\u306e\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u3067Excel\u3092\u7528\u3044\u305f\u904b\u7528\u3084\u3001LINE\/Facebook\u9023\u643a\u306e\u304a\u8a66\u3057\u3082\u53ef\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<p>\u203b\u81ea\u52d5\u3067\u6709\u6599\u30d7\u30e9\u30f3\u306b\u5207\u308a\u66ff\u308f\u308b\u3053\u3068\u306f\u3054\u3056\u3044\u307e\u305b\u3093\u3002<\/p>\n\n\n\n<p>\u5c0e\u5165\u306b\u4e0d\u5b89\u3092\u62b1\u3048\u3066\u3044\u308b\u65b9\u3084\u3001 \u307e\u305a\u306f\u30c1\u30e3\u30c3\u30c8\u30dc\u30c3\u30c8\u304c\u3069\u3093\u306a\u98a8\u306b\u4f7f\u3048\u308b\u304b\u8a66\u3057\u3066\u307f\u305f\u3044\u65b9\u306a\u3069\u5f0a\u793e\u306e\u55b6\u696d\u62c5\u5f53\u304c \u30b5\u30dd\u30fc\u30c8\u3055\u305b\u3066\u3044\u305f\u3060\u304d\u307e\u3059\u306e\u3067 \u662f\u975e\u304a\u6c17\u8efd\u306b\u304a\u554f\u3044\u5408\u308f\u305b\u304f\u3060\u3055\u3044\uff01<\/p>\n\n\n<div style=\"text-align: center; margin: 2em auto; width: 100%;\"><a style=\"display: inline-block; width: 500px; max-width: 95%; background-color: #ef74f1; color: #ffffff !important; font-size: 26px; font-weight: bold; text-decoration: none !important; border-radius: 10px; padding: 25px 0; line-height: 0.5; margin: 0; border: none; box-shadow: none !important; text-align: center;\" href=\"https:\/\/first-contact.jp\/trial\">\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb\u306f\u3053\u3061\u3089<br \/><\/a><\/div>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:spacer {\"height\":\"27px\"} --><\/p>\n<div class=\"wp-block-spacer\" style=\"height: 27px;\" aria-hidden=\"true\">\u00a0<\/div>\n<p><!-- \/wp:spacer --><\/p>\n<p><!-- \/wp:paragraph --><\/p>\n<p><!-- wp:heading {\"level\":4} --><\/p>\n<h4>\u6295\u7a3f\u8005\u30d7\u30ed\u30d5\u30a3\u30fc\u30eb<\/h4>\n<p><!-- \/wp:heading --><\/p>\n<p><!-- wp:media-text {\"mediaType\":\"image\"} --><\/p>\n<div class=\"wp-block-media-text alignwide is-stacked-on-mobile\">\n<figure class=\"wp-block-media-text__media\"><img src=\"https:\/\/first-contact.jp\/blog\/wp-content\/uploads\/2024\/09\/%E3%81%93%E3%81%91%E3%81%97%E3%81%8F%E3%82%931.png\" alt=\"\u3053\u306e\u753b\u50cf\u306b\u306f alt \u5c5e\u6027\u304c\u6307\u5b9a\u3055\u308c\u3066\u304a\u3089\u305a\u3001\u30d5\u30a1\u30a4\u30eb\u540d\u306f \u3053\u3051\u3057\u304f\u30931.png \u3067\u3059\" \/><\/figure>\n<div class=\"wp-block-media-text__content\"><!-- wp:paragraph 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