使用 GraphRAG 从 PDF 文档生成内容创意
高级
这是一个Content Creation, AI Summarization领域的自动化工作流，包含 16 个节点。主要使用 Code, Form, FormTrigger, HttpRequest, ExtractFromFile 等节点。 使用InfraNodus GraphRAG和AI差距分析从PDF文档生成内容创意
前置要求
- •可能需要目标 API 的认证凭证
工作流预览
可视化展示节点连接关系，支持缩放和平移
导出工作流
复制以下 JSON 配置到 n8n 导入，即可使用此工作流
{
"id": "5wnJMLkwYeOXdFkE",
"meta": {
"instanceId": "2a26454b0172ffcb8d70ba77c235b1209f92cd71bf06c79ba609c7173b416d68",
"templateCredsSetupCompleted": true
},
"name": "使用 GraphRAG 从 PDF 文档生成内容创意",
"tags": [
{
"id": "66wgFoDi9Xjl74M3",
"name": "Support",
"createdAt": "2025-05-21T17:06:32.355Z",
"updatedAt": "2025-05-21T17:06:32.355Z"
},
{
"id": "kRM0hQV2zw7VxrON",
"name": "Research",
"createdAt": "2025-05-21T19:44:19.136Z",
"updatedAt": "2025-05-21T19:44:19.136Z"
},
{
"id": "sJk9cUvmMU8FkJXv",
"name": "AI",
"createdAt": "2025-05-20T13:16:15.636Z",
"updatedAt": "2025-05-20T13:16:15.636Z"
}
],
"nodes": [
{
"id": "212126f1-2a06-4211-814d-6b5a46df31ad",
"name": "将文件转换为 PDF",
"type": "n8n-nodes-base.httpRequest",
"disabled": true,
"position": [
1880,
180
],
"parameters": {
"url": "https://v2.convertapi.com/convert/pdf/to/txt",
"method": "POST",
"options": {
"response": {
"response": {
"responseFormat": "text"
}
}
},
"sendBody": true,
"contentType": "multipart-form-data",
"sendHeaders": true,
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "file",
"parameterType": "formBinaryData",
"inputDataFieldName": "data"
}
]
},
"genericAuthType": "httpBearerAuth",
"headerParameters": {
"parameters": [
{
"name": "Accept",
"value": "application/octet-stream"
}
]
}
},
"credentials": {
"httpBearerAuth": {
"id": "9fXf9Np7XsCWgxhg",
"name": "Perplexity"
}
},
"notesInFlow": true,
"typeVersion": 4.2
},
{
"id": "d0a606d8-c62e-42aa-8d82-e9adcc33f5f5",
"name": "便签 5",
"type": "n8n-nodes-base.stickyNote",
"position": [
1840,
-400
],
"parameters": {
"color": 2,
"width": 360,
"height": 820,
"content": "## 可选：更好的 PDF 转换"
},
"typeVersion": 1
},
{
"id": "f31d316f-d10a-47a4-b715-635cd58b996d",
"name": "表单提交时",
"type": "n8n-nodes-base.formTrigger",
"position": [
-380,
-60
],
"webhookId": "baea8339-e0c0-43e1-acdf-d41bb25b2b85",
"parameters": {
"options": {
"appendAttribution": false
},
"formTitle": "Find Content Gaps in Your PDF Files",
"formFields": {
"values": [
{
"fieldType": "file",
"fieldLabel": "Add Your Files",
"acceptFileTypes": ".pdf"
}
]
},
"formDescription": "Upload the files you'd like to analyze and we will extract content gaps and interesting questions based on them."
},
"typeVersion": 2.2
},
{
"id": "56bae190-80e7-4fff-a06c-ee9ac74e5262",
"name": "InfraNodus AI 问题",
"type": "n8n-nodes-base.httpRequest",
"disabled": true,
"position": [
960,
200
],
"parameters": {
"url": "https://infranodus.com/api/v1/graphAndAdvice?doNotSave=true&optimize=develop&includeGraph=false&includeGraphSummary=true&gapDepth={{ $json.randomNum }}",
"method": "POST",
"options": {},
"sendBody": true,
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "aiTopics",
"value": "true"
},
{
"name": "requestMode",
"value": "question"
},
{
"name": "text",
"value": "={{ $json.text }}"
}
]
},
"genericAuthType": "httpBearerAuth"
},
"credentials": {
"httpBearerAuth": {
"id": "FPDx6PA5CtzGEIQc",
"name": "InfraNodus DeeMeeTree API Key"
}
},
"typeVersion": 4.2
},
{
"id": "d546371b-c109-4273-9fb8-8abc5b89c4c1",
"name": "将二进制文件转换为 PDF",
"type": "n8n-nodes-base.code",
"position": [
-60,
-60
],
"parameters": {
"jsCode": "let results = [];\n\nfor (let item of items) {\n if (item.binary) {\n // If there's binary data in the item, process each binary file\n for (let key in item.binary) {\n // Use the key as the file name\n let binaryKey = key.replace(/\\s/g, '_'); // Replace spaces with underscores for the key\n results.push({\n json: {\n fileName: binaryKey\n },\n binary: {\n [binaryKey]: item.binary[key] // Use the modified key for the binary data\n }\n });\n }\n }\n}\n\nreturn results;\n"
},
"typeVersion": 2
},
{
"id": "e4b0147b-c49e-4acc-90e8-976d6e0b177b",
"name": "从 PDF 文件提取文本",
"type": "n8n-nodes-base.extractFromFile",
"position": [
280,
-60
],
"parameters": {
"options": {},
"operation": "pdf",
"binaryPropertyName": "={{ $json.fileName }}"
},
"typeVersion": 1
},
{
"id": "404f2c2b-0e97-4b49-96d4-16cb23c1d82e",
"name": "为 InfraNodus 做准备",
"type": "n8n-nodes-base.code",
"position": [
580,
-60
],
"parameters": {
"jsCode": "\nlet plainText = '' // we send plain text from all the PDFs to InfraNodus for analysis\n\nconst randomNum = Math.floor(Math.random() * 3); // replace this with a 0 if you'd like to address the biggest gap in the knowledge graph\n\nfor (let item of items) {\n plainText += item.json.text + '\\n\\n' \n}\n\n\nreturn {text: plainText, randomNum};"
},
"typeVersion": 2
},
{
"id": "8d12370c-aa4a-41ad-a3dc-39090779abd0",
"name": "在表单中向用户显示",
"type": "n8n-nodes-base.form",
"position": [
1380,
-60
],
"webhookId": "05cde493-a003-4979-9bf0-2b09c77a4044",
"parameters": {
"operation": "completion",
"respondWith": "showText",
"responseText": "=<br>\n<h3>{{ $json.aiAdvice[0].text }}</h3>\n<br>\n"
},
"typeVersion": 1
},
{
"id": "d4b56485-ae4f-40a6-a69e-6362fa224cc5",
"name": "InfraNodus GraphRAG AI 建议",
"type": "n8n-nodes-base.httpRequest",
"position": [
960,
0
],
"parameters": {
"url": "=https://infranodus.com/api/v1/graphAndAdvice?doNotSave=true&optimize=develop&includeGraph=false&includeGraphSummary=true&gapDepth={{ $json.randomNum }}",
"method": "POST",
"options": {},
"sendBody": true,
"authentication": "genericCredentialType",
"bodyParameters": {
"parameters": [
{
"name": "aiTopics",
"value": "true"
},
{
"name": "requestMode",
"value": "idea"
},
{
"name": "text",
"value": "={{ $json.text }}"
}
]
},
"genericAuthType": "httpBearerAuth"
},
"credentials": {
"httpBearerAuth": {
"id": "FPDx6PA5CtzGEIQc",
"name": "InfraNodus DeeMeeTree API Key"
}
},
"typeVersion": 4.2
},
{
"id": "30da3a64-5020-44fb-8e56-38b68e66d342",
"name": "便签",
"type": "n8n-nodes-base.stickyNote",
"position": [
-420,
-400
],
"parameters": {
"height": 520,
"content": "## 步骤 1：用户上传 PDF 文件进行分析"
},
"typeVersion": 1
},
{
"id": "90c0fb6f-cc11-43c7-bc06-2794968204ee",
"name": "便签1",
"type": "n8n-nodes-base.stickyNote",
"position": [
-120,
-400
],
"parameters": {
"width": 280,
"height": 520,
"content": "## 步骤 2：将上传的二进制文件转换为 PDF 文件"
},
"typeVersion": 1
},
{
"id": "96d48573-5cb9-4ebe-8c64-ba7e14113a2e",
"name": "便签 2",
"type": "n8n-nodes-base.stickyNote",
"position": [
220,
-400
],
"parameters": {
"width": 220,
"height": 520,
"content": "## 步骤 3：从 PDF 文件提取纯文本"
},
"typeVersion": 1
},
{
"id": "8f1fcffa-1738-4e84-9552-742bb563ab9d",
"name": "便签 3",
"type": "n8n-nodes-base.stickyNote",
"position": [
520,
-400
],
"parameters": {
"width": 220,
"height": 520,
"content": "## 步骤 4：将提取的文本合并为文本字符串"
},
"typeVersion": 1
},
{
"id": "945f7df6-2b1e-44e9-ba89-0acf52b4b26e",
"name": "便签 4",
"type": "n8n-nodes-base.stickyNote",
"position": [
820,
-400
],
"parameters": {
"width": 380,
"height": 820,
"content": "## 步骤 5：使用 InfraNodus GraphRAG 查找内容间隙并生成建议"
},
"typeVersion": 1
},
{
"id": "3ffd5445-7e0b-43b5-85ab-790407ece21b",
"name": "便签6",
"type": "n8n-nodes-base.stickyNote",
"position": [
1280,
-400
],
"parameters": {
"width": 380,
"height": 820,
"content": "## 步骤 6：向用户显示建议 / 问题 / 提示"
},
"typeVersion": 1
},
{
"id": "9320b872-4eea-4b70-942f-ec2688d250de",
"name": "便签7",
"type": "n8n-nodes-base.stickyNote",
"position": [
-420,
180
],
"parameters": {
"color": 5,
"width": 1160,
"height": 1000,
"content": "# 使用 InfraNodus GraphRAG 查找 PDF 文档中的内容间隙"
},
"typeVersion": 1
}
],
"active": false,
"pinData": {},
"settings": {
"executionOrder": "v1"
},
"versionId": "4cacd2c9-73cf-433d-ab20-a1226355c502",
"connections": {
"f31d316f-d10a-47a4-b715-635cd58b996d": {
"main": [
[
{
"node": "d546371b-c109-4273-9fb8-8abc5b89c4c1",
"type": "main",
"index": 0
}
]
]
},
"404f2c2b-0e97-4b49-96d4-16cb23c1d82e": {
"main": [
[
{
"node": "d4b56485-ae4f-40a6-a69e-6362fa224cc5",
"type": "main",
"index": 0
}
]
]
},
"d546371b-c109-4273-9fb8-8abc5b89c4c1": {
"main": [
[
{
"node": "e4b0147b-c49e-4acc-90e8-976d6e0b177b",
"type": "main",
"index": 0
}
]
]
},
"e4b0147b-c49e-4acc-90e8-976d6e0b177b": {
"main": [
[
{
"node": "404f2c2b-0e97-4b49-96d4-16cb23c1d82e",
"type": "main",
"index": 0
}
]
]
},
"d4b56485-ae4f-40a6-a69e-6362fa224cc5": {
"main": [
[
{
"node": "8d12370c-aa4a-41ad-a3dc-39090779abd0",
"type": "main",
"index": 0
}
]
]
}
}
}常见问题
如何使用这个工作流？
复制上方的 JSON 配置代码，在您的 n8n 实例中创建新工作流并选择「从 JSON 导入」，粘贴配置后根据需要修改凭证设置即可。
这个工作流适合什么场景？
高级 - 内容创作, AI 摘要总结
需要付费吗？
本工作流完全免费，您可以直接导入使用。但请注意，工作流中使用的第三方服务（如 OpenAI API）可能需要您自行付费。
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工作流信息
难度等级
高级
节点数量16
分类2
节点类型6
作者
InfraNodus
@infranodusI'm Dmitry, the founder of InfraNodus — an AI text network analysis tool. I'm passionate about networks and data visualization and its ability to reveal what everyone else is missing and to highlight different perspectives. I'm sharing the n8n templates that make use of this unique capability of InfraNodus for multiple scenarios.
外部链接
在 n8n.io 查看 →
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