{"id":18143,"date":"2025-01-12T11:00:12","date_gmt":"2025-01-12T03:00:12","guid":{"rendered":"https:\/\/www.aisharenet.com\/?p=18143"},"modified":"2025-04-01T02:58:46","modified_gmt":"2025-03-31T18:58:46","slug":"nvidialianhelangchai","status":"publish","type":"post","link":"https:\/\/www.kdjingpai.com\/pt\/nvidialianhelangchai\/","title":{"rendered":"NVIDIA\u8054\u5408LangChain\u63a8\u51fa\uff1a\u5206\u6790\u7f16\u5199\u7ed3\u6784\u5316\u62a5\u544a\u7684\u9ad8\u7ea7\u6307\u5357,\u5b9e\u73b0AI\u9a71\u52a8\u7684\u6280\u672f\u62a5\u544a\u751f\u6210"},"content":{"rendered":"<p>\u8fd9\u662f\u4e00\u4e2a\u7531LangChain\u548cNVIDIA\u8054\u5408\u5f00\u53d1\u7684\u7ed3\u6784\u5316\u62a5\u544a\u751f\u6210\u84dd\u56fe\u9879\u76ee\uff0c\u5c55\u793a\u5728GitHub\u4e0a\u7684Jupyter notebook\u6559\u7a0b\u3002\u8be5\u9879\u76ee\u5229\u7528\u5148\u8fdb\u7684AI\u6280\u672f\uff0c\u7279\u522b\u662fLlama-3.3-70b\u6a21\u578b\uff0c\u6765\u81ea\u52a8\u5316\u751f\u6210\u4e13\u4e1a\u7684\u6280\u672f\u62a5\u544a\u3002\u9879\u76ee\u7684\u6838\u5fc3\u7279\u8272\u662f\u4f7f\u7528LangChain\u7684LangGraph\u6784\u5efa\u4e86\u4e00\u4e2a\u591a\u9636\u6bb5\u7684\u62a5\u544a\u751f\u6210\u7cfb\u7edf\uff0c\u5305\u62ec\u62a5\u544a\u89c4\u5212\u3001\u7f51\u7edc\u7814\u7a76\u548c\u5185\u5bb9\u64b0\u5199\u3002\u8fd9\u4e2a\u7cfb\u7edf\u80fd\u591f\u6839\u636e\u7528\u6237\u5b9a\u4e49\u7684\u4e3b\u9898\u548c\u7ed3\u6784\u63d0\u7eb2\uff0c\u81ea\u52a8\u89c4\u5212\u62a5\u544a\u7ae0\u8282\uff0c\u901a\u8fc7Tavily\u8fdb\u884c\u667a\u80fd\u7f51\u7edc\u641c\u7d22\u83b7\u53d6\u76f8\u5173\u4fe1\u606f\uff0c\u5e76\u751f\u6210\u7ed3\u6784\u6e05\u6670\u3001\u5185\u5bb9\u4e13\u4e1a\u7684\u6280\u672f\u62a5\u544a\u3002\u8be5\u9879\u76ee\u7279\u522b\u9002\u5408\u9700\u8981\u5feb\u901f\u751f\u6210\u9ad8\u8d28\u91cf\u6280\u672f\u6587\u6863\u7684\u5f00\u53d1\u8005\u548c\u6280\u672f\u56e2\u961f\u4f7f\u7528\u3002<\/p>\n<p>\u63a8\u8350\uff1a<a href=\"https:\/\/www.kdjingpai.com\/storm-2\/\">STORM\uff1a\u57fa\u4e8eTopic\u641c\u7d22\u7f51\u7edc\u6570\u636e\uff0c\u751f\u6210\u5e26\u5f15\u7528\u7684\u8bba\u6587\u3001\u957f\u6587\u62a5\u544a<\/a><\/p>\n<p><img decoding=\"async\" title=\"NVIDIA\u8054\u5408LangChain\u63a8\u51fa\uff1a\u5206\u6790\u7f16\u5199\u7ed3\u6784\u5316\u62a5\u544a\u7684\u9ad8\u7ea7\u6307\u5357,\u5b9e\u73b0AI\u9a71\u52a8\u7684\u6280\u672f\u62a5\u544a\u751f\u6210-1\" src=\"https:\/\/www.kdjingpai.com\/wp-content\/uploads\/2025\/01\/8b79231a43fc637.png\" alt=\"NVIDIA\u8054\u5408LangChain\u63a8\u51fa\uff1a\u5206\u6790\u7f16\u5199\u7ed3\u6784\u5316\u62a5\u544a\u7684\u9ad8\u7ea7\u6307\u5357,\u5b9e\u73b0AI\u9a71\u52a8\u7684\u6280\u672f\u62a5\u544a\u751f\u6210-1\" \/><\/p>\n<p>&nbsp;<\/p>\n<h2>\u529f\u80fd\u5217\u8868<\/h2>\n<ul>\n<li>\u81ea\u52a8\u5316\u62a5\u544a\u7ed3\u6784\u89c4\u5212\uff1a\u57fa\u4e8e\u7528\u6237\u8f93\u5165\u7684\u4e3b\u9898\u548c\u7ec4\u7ec7\u8981\u6c42\u751f\u6210\u62a5\u544a\u5927\u7eb2<\/li>\n<li>\u667a\u80fd\u7f51\u7edc\u7814\u7a76\uff1a\u4f7f\u7528Tavily API\u8fdb\u884c\u9488\u5bf9\u6027\u7684\u7f51\u7edc\u641c\u7d22\u548c\u4fe1\u606f\u6536\u96c6<\/li>\n<li>\u5e76\u884c\u5904\u7406\u62a5\u544a\u7ae0\u8282\uff1a\u652f\u6301\u591a\u4e2a\u7ae0\u8282\u7684\u540c\u65f6\u7814\u7a76\u548c\u64b0\u5199<\/li>\n<li>\u7075\u6d3b\u7684\u62a5\u544a\u5b9a\u5236\uff1a\u53ef\u6839\u636e\u9700\u6c42\u9009\u62e9\u65b0\u95fb\u6216\u4e00\u822c\u6027\u5185\u5bb9\u641c\u7d22<\/li>\n<li>\u7ed3\u6784\u5316\u8f93\u51fa\u63a7\u5236\uff1a\u652f\u6301\u8868\u683c\u3001\u5217\u8868\u7b49\u591a\u79cd\u6807\u8bb0\u8bed\u8a00\u683c\u5f0f<\/li>\n<li>\u6e90\u5f15\u7528\u8ffd\u8e2a\uff1a\u81ea\u52a8\u6536\u96c6\u548c\u683c\u5f0f\u5316\u53c2\u8003\u6e90<\/li>\n<li>\u8d28\u91cf\u63a7\u5236\u673a\u5236\uff1a\u5305\u542b\u5b57\u6570\u9650\u5236\u548c\u683c\u5f0f\u68c0\u67e5<\/li>\n<li>\u4ea4\u4e92\u5f0f\u5f00\u53d1\u73af\u5883\uff1a\u5b8c\u6574\u7684Jupyter notebook\u5b9e\u73b0<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n<h2>\u4f7f\u7528\u5e2e\u52a9<\/h2>\n<h3>1. \u73af\u5883\u51c6\u5907<\/h3>\n<ol>\n<li>\u5b89\u88c5\u5fc5\u8981\u7684\u4f9d\u8d56\u5305\uff1a<\/li>\n<\/ol>\n<pre><code>%pip install --quiet -U <a href=\"https:\/\/www.kdjingpai.com\/langgraph\/\">langgraph<\/a> langchain_community langchain_core tavily-python langchain_nvidia_ai_endpoints\r\n<\/code><\/pre>\n<ol>\n<li>\u914d\u7f6eAPI\u5bc6\u94a5\uff1a<\/li>\n<\/ol>\n<ul>\n<li>NVIDIA NIM Trial API Key\n<ul>\n<li>\u8bbf\u95ee<a href=\"https:\/\/build.nvidia.com\/meta\/llama-3_3-70b-instruct\">NVIDIA NIM\u9875\u9762<\/a>\u6ce8\u518c\u5e76\u83b7\u53d6API\u5bc6\u94a5<\/li>\n<li>\u65b0\u7528\u6237\u53ef\u83b7\u5f971000\u4e2aAPI\u8bd5\u7528\u79ef\u5206<\/li>\n<\/ul>\n<\/li>\n<li>LangChain API Key\n<ul>\n<li>\u5728<a href=\"https:\/\/smith.langchain.com\/settings\">LangChain\u8bbe\u7f6e\u9875\u9762<\/a>\u521b\u5efa\u8d26\u6237<\/li>\n<li>\u5bfc\u822a\u81f3&#8221;API Keys&#8221;\u521b\u5efa\u65b0\u7684API\u5bc6\u94a5<\/li>\n<\/ul>\n<\/li>\n<li><a href=\"https:\/\/www.kdjingpai.com\/tavily\/\">Tavily<\/a> API Key\n<ul>\n<li>\u8bbf\u95ee<a href=\"https:\/\/tavily.com\/\">Tavily\u4e3b\u9875<\/a>\u6ce8\u518c\u8d26\u6237<\/li>\n<li>\u521b\u5efaAPI\u5bc6\u94a5<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h3>2. \u9879\u76ee\u521d\u59cb\u5316<\/h3>\n<ol>\n<li>\u8bbe\u7f6e\u73af\u5883\u53d8\u91cf\uff1a<\/li>\n<\/ol>\n<p>Python<\/p>\n<pre><code>import os\r\nos.environ[\"NVIDIA_API_KEY\"] = \"your-nvidia-api-key\"\r\nos.environ[\"LANGCHAIN_API_KEY\"] = \"your-langchain-api-key\"\r\nos.environ[\"TAVILY_API_KEY\"] = \"your-tavily-api-key\"\r\n<\/code><\/pre>\n<ol>\n<li>\u521d\u59cb\u5316\u5fc5\u8981\u7684\u5ba2\u6237\u7aef\uff1a<\/li>\n<\/ol>\n<p>Python<\/p>\n<pre><code>from tavily import TavilyClient, AsyncTavilyClient\r\ntavily_client = TavilyClient()\r\ntavily_async_client = AsyncTavilyClient()\r\n<\/code><\/pre>\n<h3>3. \u62a5\u544a\u751f\u6210\u6d41\u7a0b<\/h3>\n<ol>\n<li>\u5b9a\u4e49\u62a5\u544a\u7ed3\u6784\uff1a<\/li>\n<\/ol>\n<p>Python<\/p>\n<pre><code>report_structure = \"\"\"\r\nThis report type focuses on comparative analysis.\r\nThe report structure should include:\r\n1. Introduction\r\n2. Main Body Sections\r\n3. Conclusion with Comparison Table\r\n\"\"\"\r\n<\/code><\/pre>\n<ol>\n<li>\u8bbe\u7f6e\u62a5\u544a\u4e3b\u9898\uff1a<\/li>\n<\/ol>\n<p>Python<\/p>\n<pre><code>report_topic = \"\u4f60\u7684\u62a5\u544a\u4e3b\u9898\"\r\n<\/code><\/pre>\n<ol>\n<li>\u914d\u7f6e\u641c\u7d22\u53c2\u6570\uff1a<\/li>\n<\/ol>\n<p>Python<\/p>\n<pre><code>tavily_topic = \"general\"  # \u6216 \"news\"\r\ntavily_days = None  # \u4ec5\u9002\u7528\u4e8e\u65b0\u95fb\u4e3b\u9898\r\n<\/code><\/pre>\n<ol>\n<li>\u751f\u6210\u62a5\u544a\u8ba1\u5212\uff1a<\/li>\n<\/ol>\n<p>Python<\/p>\n<pre><code>sections = await generate_report_plan({\r\n\"topic\": report_topic,\r\n\"report_structure\": report_structure,\r\n\"number_of_queries\": 2,\r\n\"tavily_topic\": tavily_topic,\r\n\"tavily_days\": tavily_days\r\n})\r\n<\/code><\/pre>\n<h3>4. \u9ad8\u7ea7\u529f\u80fd\u4f7f\u7528<\/h3>\n<ol>\n<li>\u81ea\u5b9a\u4e49\u67e5\u8be2\u751f\u6210\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u4fee\u6539query_writer_instructions\u6765\u4f18\u5316\u641c\u7d22\u67e5\u8be2<\/li>\n<li>\u8c03\u6574number_of_queries\u53c2\u6570\u63a7\u5236\u6bcf\u4e2a\u7ae0\u8282\u7684\u67e5\u8be2\u6570\u91cf<\/li>\n<\/ul>\n<ol>\n<li>\u5185\u5bb9\u683c\u5f0f\u5316\u63a7\u5236\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u4f7f\u7528Markdown\u8bed\u6cd5\u8bbe\u7f6e\u6807\u9898\u5c42\u7ea7<\/li>\n<li>\u652f\u6301\u8868\u683c\u548c\u5217\u8868\u7b49\u7ed3\u6784\u5316\u5185\u5bb9<\/li>\n<li>\u53ef\u4ee5\u63a7\u5236\u6bcf\u4e2a\u7ae0\u8282\u7684\u5b57\u6570\u9650\u5236<\/li>\n<\/ul>\n<ol>\n<li>\u6e90\u5185\u5bb9\u7ba1\u7406\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u4f7f\u7528deduplicate_and_format_sources\u51fd\u6570\u5904\u7406\u641c\u7d22\u7ed3\u679c<\/li>\n<li>\u53ef\u4ee5\u8c03\u6574max_tokens_per_source\u53c2\u6570\u63a7\u5236\u6e90\u5185\u5bb9\u957f\u5ea6<\/li>\n<\/ul>\n<ol>\n<li>\u5e76\u884c\u5904\u7406\u4f18\u5316\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u4f7f\u7528LangGraph\u5b9e\u73b0\u591a\u7ae0\u8282\u5e76\u884c\u7814\u7a76<\/li>\n<li>\u901a\u8fc7\u8c03\u6574StateGraph\u914d\u7f6e\u4f18\u5316\u5904\u7406\u6d41\u7a0b<\/li>\n<\/ul>\n<h3>5. \u6ce8\u610f\u4e8b\u9879<\/h3>\n<ol>\n<li>API\u4f7f\u7528\u9650\u5236\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u6ce8\u610f\u76d1\u63a7NVIDIA API\u7684\u4f7f\u7528\u989d\u5ea6<\/li>\n<li>\u5408\u7406\u8bbe\u7f6e\u67e5\u8be2\u9891\u7387\u907f\u514d\u8d85\u51fa\u9650\u5236<\/li>\n<\/ul>\n<ol>\n<li>\u5185\u5bb9\u8d28\u91cf\u63a7\u5236\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u786e\u4fddreport_structure\u63d0\u4f9b\u6e05\u6670\u7684\u7ae0\u8282\u6307\u5bfc<\/li>\n<li>\u5b9a\u671f\u9a8c\u8bc1\u751f\u6210\u5185\u5bb9\u7684\u51c6\u786e\u6027<\/li>\n<\/ul>\n<ol>\n<li>\u7cfb\u7edf\u8981\u6c42\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u786e\u4fddPython\u73af\u5883\u7248\u672c\u517c\u5bb9<\/li>\n<li>\u4fdd\u6301\u4f9d\u8d56\u5305\u4e3a\u6700\u65b0\u7248\u672c<\/li>\n<\/ul>\n<ol>\n<li>\u9519\u8bef\u5904\u7406\uff1a<\/li>\n<\/ol>\n<ul>\n<li>\u5b9e\u73b0\u9002\u5f53\u7684\u9519\u8bef\u5904\u7406\u673a\u5236<\/li>\n<li>\u4fdd\u5b58\u4e2d\u95f4\u7ed3\u679c\u907f\u514d\u5904\u7406\u4e2d\u65ad<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u662f\u4e00\u4e2a\u7531LangChain\u548cNVIDIA\u8054\u5408\u5f00\u53d1\u7684\u7ed3\u6784\u5316\u62a5\u544a\u751f\u6210\u84dd\u56fe\u9879\u76ee\uff0c\u5c55\u793a\u5728GitHub\u4e0a\u7684Jupyter notebook\u6559\u7a0b\u3002\u8be5\u9879\u76ee\u5229\u7528\u5148\u8fdb\u7684AI\u6280\u672f\uff0c\u7279\u522b\u662fLlama-3.3-70b\u6a21\u578b\uff0c\u6765\u81ea\u52a8\u5316\u751f\u6210\u4e13\u4e1a\u7684\u6280\u672f\u62a5\u544a\u3002\u9879\u76ee\u7684\u6838\u5fc3\u7279&#8230;<\/p>\n","protected":false},"author":1,"featured_media":61613,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[20],"tags":[230,389],"class_list":["post-18143","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tool","tag-aikaiyuanxiangmu","tag-shengchengshenduyanjiuao"],"_links":{"self":[{"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/posts\/18143","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/comments?post=18143"}],"version-history":[{"count":0,"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/posts\/18143\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/media\/61613"}],"wp:attachment":[{"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/media?parent=18143"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/categories?post=18143"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kdjingpai.com\/pt\/wp-json\/wp\/v2\/tags?post=18143"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}