{"id":648,"date":"2025-11-09T07:00:00","date_gmt":"2025-11-08T23:00:00","guid":{"rendered":"https:\/\/smartaiunion.com\/?p=648"},"modified":"2025-11-07T19:18:32","modified_gmt":"2025-11-07T11:18:32","slug":"langextract-%e4%b8%8e%e5%a4%a7%e8%af%ad%e8%a8%80%e6%a8%a1%e5%9e%8b%e6%95%b0%e6%8d%ae%e6%8f%90%e5%8f%96%e5%85%a5%e9%97%a8%e6%8c%87%e5%8d%97","status":"publish","type":"post","link":"https:\/\/smartaiunion.com\/index.php\/2025\/11\/09\/648\/","title":{"rendered":"LangExtract \u4e0e\u5927\u8bed\u8a00\u6a21\u578b\u6570\u636e\u63d0\u53d6\u5165\u95e8\u6307\u5357"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">\u5f15\u8a00<\/h2>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.kdnuggets.com\/wp-content\/uploads\/LANG-EXTRACT.png\" alt=\"Beginner\u2019s Guide to Data Extraction with LangExtract and LLMs\"\/><\/figure>\n\n\n\n<p>\u4f60\u77e5\u9053\u5417\uff1f\u5927\u90e8\u5206\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u4ecd\u5b58\u5728\u4e8e\u975e\u7ed3\u6784\u5316\u6587\u672c\u4e2d\u3002\u4f8b\u5982\u7814\u7a76\u8bba\u6587\u3001\u4e34\u5e8a\u75c5\u5386\u3001\u8d22\u52a1\u62a5\u544a\u7b49\u3002\u4ece\u8fd9\u4e9b\u6587\u672c\u4e2d\u63d0\u53d6\u53ef\u9760\u7684\u7ed3\u6784\u5316\u4fe1\u606f\u4e00\u76f4\u662f\u4e00\u9879\u6311\u6218\u3002LangExtract \u662f\u8c37\u6b4c\u63a8\u51fa\u7684\u5f00\u6e90 Python \u5e93\uff0c\u5b83\u5229\u7528\u5927\u8bed\u8a00\u6a21\u578b\uff08LLMs\uff09\u89e3\u51b3\u4e86\u8fd9\u4e00\u95ee\u9898\u3002\u4f60\u53ea\u9700\u901a\u8fc7\u7b80\u5355\u63d0\u793a\u8bcd\u548c\u51e0\u4e2a\u793a\u4f8b\u5b9a\u4e49\u8981\u63d0\u53d6\u7684\u5185\u5bb9\uff0c\u5b83\u5c31\u4f1a\u501f\u52a9\u5927\u8bed\u8a00\u6a21\u578b\uff08\u5982\u8c37\u6b4c Gemini\u3001OpenAI \u6a21\u578b\u6216\u672c\u5730\u6a21\u578b\uff09\u4ece\u4efb\u610f\u957f\u5ea6\u7684\u6587\u6863\u4e2d\u63d0\u53d6\u76ee\u6807\u4fe1\u606f\u3002\u5b83\u7684\u53e6\u4e00\u5927\u4f18\u52bf\u662f\u652f\u6301\u8d85\u957f\u6587\u6863\uff08\u901a\u8fc7\u5206\u5757\u548c\u591a\u8f6e\u5904\u7406\uff09\u4ee5\u53ca\u7ed3\u679c\u7684\u4ea4\u4e92\u5f0f\u53ef\u89c6\u5316\u3002\u8ba9\u6211\u4eec\u66f4\u8be6\u7ec6\u5730\u63a2\u7d22\u8fd9\u4e2a\u5e93\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">1. \u5b89\u88c5\u4e0e\u73af\u5883\u914d\u7f6e<\/h2>\n\n\n\n<p>\u8981\u5728\u672c\u5730\u5b89\u88c5 LangExtract\uff0c\u9996\u5148\u9700\u786e\u4fdd\u5df2\u5b89\u88c5 Python 3.10 \u53ca\u4ee5\u4e0a\u7248\u672c\u3002\u8be5\u5e93\u5df2\u53d1\u5e03\u81f3 PyPI\uff0c\u5728\u7ec8\u7aef\u6216\u865a\u62df\u73af\u5883\u4e2d\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u5373\u53ef\u5b89\u88c5\uff1a<\/p>\n\n\n\n<p>plaintext<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>pip install langextract\n<\/code><\/pre>\n\n\n\n<p>\u82e5\u9700\u9694\u79bb\u73af\u5883\uff0c\u53ef\u5148\u521b\u5efa\u5e76\u6fc0\u6d3b\u865a\u62df\u73af\u5883\uff1a<\/p>\n\n\n\n<p>plaintext<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>python -m venv langextract_env\nsource langextract_env\/bin\/activate  # Windows \u7cfb\u7edf\uff1a.\\langextract_env\\Scripts\\activate\npip install langextract\n<\/code><\/pre>\n\n\n\n<p>\u6b64\u5916\u8fd8\u6709\u4ece\u6e90\u7801\u5b89\u88c5\u548c\u4f7f\u7528 Docker \u7684\u65b9\u5f0f\uff0c\u4f60\u53ef\u70b9\u51fb\u6b64\u5904\u67e5\u770b\u8be6\u60c5\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">2. \u914d\u7f6e API \u5bc6\u94a5\uff08\u9002\u7528\u4e8e\u4e91\u6a21\u578b\uff09<\/h2>\n\n\n\n<p>LangExtract \u672c\u8eab\u662f\u514d\u8d39\u5f00\u6e90\u7684\uff0c\u4f46\u5982\u679c\u4f7f\u7528\u4e91\u6258\u7ba1\u5927\u8bed\u8a00\u6a21\u578b\uff08\u5982\u8c37\u6b4c Gemini \u6216 OpenAI GPT \u6a21\u578b\uff09\uff0c\u5219\u5fc5\u987b\u63d0\u4f9b API \u5bc6\u94a5\u3002\u4f60\u53ef\u4ee5\u8bbe\u7f6e&nbsp;<code>LANGEXTRACT_API_KEY<\/code>&nbsp;\u73af\u5883\u53d8\u91cf\uff0c\u6216\u5728\u5de5\u4f5c\u76ee\u5f55\u7684&nbsp;<code>.env<\/code>&nbsp;\u6587\u4ef6\u4e2d\u5b58\u50a8\u8be5\u5bc6\u94a5\u3002\u4f8b\u5982\uff1a<\/p>\n\n\n\n<p>plaintext<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>export LANGEXTRACT_API_KEY=\"\u4f60\u7684 API \u5bc6\u94a5\"\n<\/code><\/pre>\n\n\n\n<p>\u6216\u5728&nbsp;<code>.env<\/code>&nbsp;\u6587\u4ef6\u4e2d\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<p>plaintext<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>cat &gt;&gt; .env &lt;&lt; 'EOF'\nLANGEXTRACT_API_KEY=\u4f60\u7684 API \u5bc6\u94a5\nEOF\necho '.env' &gt;&gt; .gitignore\n<\/code><\/pre>\n\n\n\n<p>\u901a\u8fc7 Ollama \u6216\u5176\u4ed6\u672c\u5730\u540e\u7aef\u8fd0\u884c\u7684\u8bbe\u5907\u7aef\u5927\u8bed\u8a00\u6a21\u578b\u65e0\u9700 API \u5bc6\u94a5\u3002\u82e5\u8981\u542f\u7528 OpenAI \u6a21\u578b\uff0c\u9700\u8fd0\u884c&nbsp;<code>pip install langextract[openai]<\/code>\uff0c\u8bbe\u7f6e&nbsp;<code>OPENAI_API_KEY<\/code>&nbsp;\u5e76\u6307\u5b9a OpenAI \u7684&nbsp;<code>model_id<\/code>\u3002\u9762\u5411\u4f01\u4e1a\u7528\u6237\u7684 Vertex AI \u652f\u6301\u670d\u52a1\u8d26\u53f7\u8ba4\u8bc1\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">3. \u5b9a\u4e49\u63d0\u53d6\u4efb\u52a1<\/h2>\n\n\n\n<p>LangExtract \u7684\u4f7f\u7528\u903b\u8f91\u662f\u7531\u4f60\u660e\u786e\u63d0\u53d6\u76ee\u6807\u3002\u4f60\u9700\u8981\u7f16\u5199\u6e05\u6670\u7684\u63d0\u793a\u8bcd\u63cf\u8ff0\uff0c\u5e76\u63d0\u4f9b\u4e00\u4e2a\u6216\u591a\u4e2a&nbsp;<code>ExampleData<\/code>&nbsp;\u6807\u6ce8\uff0c\u5c55\u793a\u5728\u793a\u4f8b\u6587\u672c\u4e0a\u7684\u6b63\u786e\u63d0\u53d6\u7ed3\u679c\u3002\u4f8b\u5982\uff0c\u8981\u4ece\u6587\u5b66\u8bed\u53e5\u4e2d\u63d0\u53d6\u4eba\u7269\u3001\u60c5\u611f\u548c\u5173\u7cfb\uff0c\u53ef\u7f16\u5199\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<p>plaintext<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>import langextract as lx\n\nprompt = \"\"\"\n  \u6309\u51fa\u73b0\u987a\u5e8f\u63d0\u53d6\u4eba\u7269\u3001\u60c5\u611f\u548c\u5173\u7cfb\u3002\n  \u63d0\u53d6\u5185\u5bb9\u4f7f\u7528\u539f\u6587\uff0c\u4e0d\u5f97\u91ca\u4e49\u6216\u51fa\u73b0\u5b9e\u4f53\u91cd\u53e0\u3002\n  \u4e3a\u6bcf\u4e2a\u5b9e\u4f53\u6dfb\u52a0\u6709\u610f\u4e49\u7684\u5c5e\u6027\u4ee5\u8865\u5145\u4e0a\u4e0b\u6587\u3002\"\"\"\nexamples = &#91;\n    lx.data.ExampleData(\n        text=\"\u7f57\u5bc6\u6b27\uff1a\u8f7b\u58f0\uff01\u90a3\u8fb9\u7a97\u5b50\u91cc\u4eae\u8d77\u6765\u7684\u662f\u4ec0\u4e48\u5149\uff1f\u2026\u2026\",\n        extractions=&#91;\n            lx.data.Extraction(\n                extraction_class=\"character\",\n                extraction_text=\"\u7f57\u5bc6\u6b27\",\n                attributes={\"emotional_state\": \"\u597d\u5947\"}\n            ),\n            lx.data.Extraction(\n                extraction_class=\"emotion\",\n                extraction_text=\"\u8f7b\u58f0\uff01\",\n                attributes={\"feeling\": \"\u67d4\u548c\u7684\u60ca\u53f9\"}\n            )\n        ]\n    )\n]\n<\/code><\/pre>\n\n\n\n<p>\u8fd9\u4e9b\u793a\u4f8b\uff08\u6e90\u81ea LangExtract \u7684\u5b98\u65b9\u6587\u6863\uff09\u4f1a\u660e\u786e\u544a\u77e5\u6a21\u578b\u671f\u671b\u7684\u7ed3\u6784\u5316\u8f93\u51fa\u683c\u5f0f\u3002\u4f60\u53ef\u4ee5\u4e3a\u7279\u5b9a\u9886\u57df\u521b\u5efa\u7c7b\u4f3c\u793a\u4f8b\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">4. \u6267\u884c\u63d0\u53d6\u64cd\u4f5c<\/h2>\n\n\n\n<p>\u5b9a\u4e49\u597d\u63d0\u793a\u8bcd\u548c\u793a\u4f8b\u540e\uff0c\u53ea\u9700\u8c03\u7528&nbsp;<code>lx.extract()<\/code>&nbsp;\u51fd\u6570\u5373\u53ef\u3002\u6838\u5fc3\u53c2\u6570\u5982\u4e0b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><code>text_or_documents<\/code>\uff1a\u8f93\u5165\u6587\u672c\u3001\u6587\u672c\u5217\u8868\uff0c\u751a\u81f3\u662f URL \u5b57\u7b26\u4e32\uff08LangExtract \u53ef\u4ece\u53e4\u817e\u5821\u8ba1\u5212\u7b49 URL \u4e2d\u83b7\u53d6\u5e76\u5904\u7406\u6587\u672c\uff09\u3002<\/li>\n\n\n\n<li><code>prompt_description<\/code>\uff1a\u63d0\u53d6\u6307\u4ee4\uff08\u5b57\u7b26\u4e32\u683c\u5f0f\uff09\u3002<\/li>\n\n\n\n<li><code>examples<\/code>\uff1a\u5c55\u793a\u76ee\u6807\u8f93\u51fa\u7684\u00a0<code>ExampleData<\/code>\u00a0\u5217\u8868\u3002<\/li>\n\n\n\n<li><code>model_id<\/code>\uff1a\u4f7f\u7528\u7684\u5927\u8bed\u8a00\u6a21\u578b\u6807\u8bc6\u7b26\uff08\u4f8b\u5982\u8c37\u6b4c Gemini Flash \u4e3a\u00a0<code>\"gemini-2.5-flash\"<\/code>\uff0cOllama \u6a21\u578b\u5982\u00a0<code>\"gemma2:2b\"<\/code>\uff0cOpenAI \u6a21\u578b\u5982\u00a0<code>\"gpt-4o\"<\/code>\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<p>\u5176\u4ed6\u53ef\u9009\u53c2\u6570\u5305\u62ec&nbsp;<code>extraction_passes<\/code>\uff08\u4e3a\u8d85\u957f\u6587\u672c\u63d0\u9ad8\u53ec\u56de\u7387\u800c\u91cd\u590d\u63d0\u53d6\uff09\u3001<code>max_workers<\/code>\uff08\u5206\u5757\u5e76\u884c\u5904\u7406\uff09\u3001<code>fence_output<\/code>\u3001<code>use_schema_constraints<\/code>&nbsp;\u7b49\u3002<\/p>\n\n\n\n<p>\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>plaintext<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>input_text = '''\u6731\u4e3d\u53f6\uff1a\u54e6\uff0c\u7f57\u5bc6\u6b27\uff0c\u7f57\u5bc6\u6b27\uff01\u4f60\u4e3a\u4ec0\u4e48\u504f\u504f\u662f\u7f57\u5bc6\u6b27\u5462\uff1f\n\u5426\u8ba4\u4f60\u7684\u7236\u4eb2\uff0c\u629b\u5f03\u4f60\u7684\u59d3\u540d\u5427\uff1b\n\u8981\u662f\u4f60\u4e0d\u613f\u610f\uff0c\u53ea\u8981\u4f60\u5ba3\u8a93\u505a\u6211\u7684\u7231\u4eba\uff0c\n\u6211\u5c31\u4e0d\u518d\u59d3\u51ef\u666e\u83b1\u7279\u4e86\u3002\n\u7f57\u5bc6\u6b27\uff1a\u6211\u8fd8\u8981\u542c\u4e0b\u53bb\u5417\uff1f\u8fd8\u662f\u73b0\u5728\u5c31\u5bf9\u5979\u8bf4\u8bdd\uff1f\n\u6731\u4e3d\u53f6\uff1a\u53ea\u6709\u4f60\u7684\u59d3\u540d\u624d\u662f\u6211\u7684\u4ec7\u654c\uff1b\n\u4f60\u5373\u4f7f\u4e0d\u59d3\u8499\u592a\u53e4\uff0c\u4ecd\u7136\u662f\u4f60\u81ea\u5df1\u3002\n\u59d3\u540d\u7b97\u4ec0\u4e48\uff1f\u6211\u4eec\u6240\u79f0\u7684\u73ab\u7470\uff0c\n\u6362\u4e2a\u540d\u5b57\u4e5f\u540c\u6837\u82ac\u82b3\u3002'''\n\nresult = lx.extract(\n    text_or_documents=input_text,\n    prompt_description=prompt,\n    examples=examples,\n    model_id=\"gemini-2.5-flash\"\n)\n<\/code><\/pre>\n\n\n\n<p>\u8be5\u51fd\u6570\u4f1a\u5c06\u63d0\u793a\u8bcd\u3001\u793a\u4f8b\u548c\u6587\u672c\u53d1\u9001\u81f3\u9009\u5b9a\u7684\u5927\u8bed\u8a00\u6a21\u578b\uff0c\u5e76\u8fd4\u56de\u4e00\u4e2a&nbsp;<code>Result<\/code>&nbsp;\u5bf9\u8c61\u3002LangExtract \u4f1a\u81ea\u52a8\u5c06\u8d85\u957f\u6587\u672c\u5206\u8bcd\u4e3a\u5757\u3001\u6279\u91cf\u5e76\u884c\u8c03\u7528\u6a21\u578b\uff0c\u5e76\u5408\u5e76\u8f93\u51fa\u7ed3\u679c\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">5. \u8f93\u51fa\u5904\u7406\u4e0e\u53ef\u89c6\u5316<\/h2>\n\n\n\n<p><code>lx.extract()<\/code>&nbsp;\u7684\u8f93\u51fa\u662f\u4e00\u4e2a\u5305\u542b\u63d0\u53d6\u5b9e\u4f53\u53ca\u5c5e\u6027\u7684 Python \u5bf9\u8c61\uff08\u901a\u5e38\u547d\u540d\u4e3a&nbsp;<code>result<\/code>\uff09\u3002\u4f60\u53ef\u4ee5\u901a\u8fc7\u7f16\u7a0b\u65b9\u5f0f\u67e5\u770b\u8be5\u5bf9\u8c61\uff0c\u6216\u4fdd\u5b58\u4f9b\u540e\u7eed\u4f7f\u7528\u3002LangExtract \u8fd8\u63d0\u4f9b\u4e86\u7ed3\u679c\u4fdd\u5b58\u8f85\u52a9\u51fd\u6570\uff1a\u4f8b\u5982\u5c06\u7ed3\u679c\u5199\u5165 JSONL\uff08JSON \u884c\uff09\u6587\u4ef6\uff08\u6bcf\u884c\u4e00\u4e2a\u6587\u6863\uff09\uff0c\u5e76\u751f\u6210\u4ea4\u4e92\u5f0f HTML \u62a5\u544a\u3002\u793a\u4f8b\u4ee3\u7801\u5982\u4e0b\uff1a<\/p>\n\n\n\n<p>plaintext<\/p>\n\n\n\n<pre class=\"wp-block-code\"><code>lx.io.save_annotated_documents(&#91;result], output_name=\"extraction_results.jsonl\", output_dir=\".\")\nhtml = lx.visualize(\"extraction_results.jsonl\")\nwith open(\"viz.html\", \"w\") as f:\n    f.write(html if isinstance(html, str) else html.data)\n<\/code><\/pre>\n\n\n\n<p>\u4e0a\u8ff0\u4ee3\u7801\u4f1a\u751f\u6210&nbsp;<code>extraction_results.jsonl<\/code>&nbsp;\u6587\u4ef6\u548c\u4ea4\u4e92\u5f0f&nbsp;<code>viz.html<\/code>&nbsp;\u6587\u4ef6\u3002JSONL \u683c\u5f0f\u4fbf\u4e8e\u5904\u7406\u5927\u578b\u6570\u636e\u96c6\u548c\u540e\u7eed\u52a0\u5de5\uff0cHTML \u6587\u4ef6\u5219\u4f1a\u5728\u4e0a\u4e0b\u6587\u4e2d\u9ad8\u4eae\u663e\u793a\u6bcf\u4e2a\u63d0\u53d6\u7247\u6bb5\uff08\u6309\u7c7b\u522b\u5f69\u8272\u7f16\u7801\uff09\uff0c\u65b9\u4fbf\u4eba\u5de5\u68c0\u67e5\uff0c\u6548\u679c\u5982\u4e0b\uff1a<\/p>\n\n\n\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.kdnuggets.com\/wp-content\/uploads\/output-langextract.png\" alt=\"Output and Visualization: Langextract\"\/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading\">6. \u652f\u6301\u7684\u8f93\u5165\u683c\u5f0f<\/h2>\n\n\n\n<p>LangExtract \u5bf9\u8f93\u5165\u683c\u5f0f\u517c\u5bb9\u6027\u5f3a\uff0c\u53ef\u63a5\u6536\u4ee5\u4e0b\u7c7b\u578b\uff1a<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>\u7eaf\u6587\u672c\u5b57\u7b26\u4e32\uff1a\u4efb\u4f55\u52a0\u8f7d\u5230 Python \u4e2d\u7684\u6587\u672c\uff08\u5982\u6765\u81ea\u6587\u4ef6\u6216\u6570\u636e\u5e93\uff09\u5747\u53ef\u5904\u7406\u3002<\/li>\n\n\n\n<li>URL\uff1a\u5982\u524d\u6587\u6240\u793a\uff0c\u53ef\u76f4\u63a5\u4f20\u5165 URL\uff08\u4f8b\u5982\u53e4\u817e\u5821\u8ba1\u5212\u94fe\u63a5\uff09\uff0c\u683c\u5f0f\u4e3a\u00a0<code>text_or_documents=\"https:\/\/www.gutenberg.org\/files\/1513\/1513-0.txt\"<\/code>\uff0cLangExtract \u4f1a\u4e0b\u8f7d\u5e76\u63d0\u53d6\u8be5\u6587\u6863\u5185\u5bb9\u3002<\/li>\n\n\n\n<li>\u6587\u672c\u5217\u8868\uff1a\u4f20\u5165 Python \u5b57\u7b26\u4e32\u5217\u8868\uff0c\u53ef\u4e00\u6b21\u6027\u5904\u7406\u591a\u4e2a\u6587\u6863\u3002<\/li>\n\n\n\n<li>\u5bcc\u6587\u672c\u6216 Markdown\uff1a\u7531\u4e8e LangExtract \u57fa\u4e8e\u6587\u672c\u5c42\u9762\u5de5\u4f5c\uff0c\u82e5\u8f93\u5165 Markdown \u6216 HTML\uff0c\u9700\u5148\u5c06\u5176\u9884\u5904\u7406\u4e3a\u7eaf\u6587\u672c\uff08LangExtract \u672c\u8eab\u4e0d\u89e3\u6790 PDF \u6216\u56fe\u7247\uff0c\u9700\u63d0\u524d\u63d0\u53d6\u6587\u672c\uff09\u3002<\/li>\n<\/ul>\n\n\n\n<h2 class=\"wp-block-heading\">7. \u7ed3\u8bed<\/h2>\n\n\n\n<p>LangExtract \u7b80\u5316\u4e86\u975e\u7ed3\u6784\u5316\u6587\u672c\u5230\u7ed3\u6784\u5316\u6570\u636e\u7684\u8f6c\u6362\u8fc7\u7a0b\u3002\u5b83\u5177\u5907\u9ad8\u51c6\u786e\u7387\u3001\u6e05\u6670\u7684\u6765\u6e90\u6620\u5c04\u548c\u7b80\u6d01\u7684\u81ea\u5b9a\u4e49\u65b9\u5f0f\uff0c\u5728\u57fa\u4e8e\u89c4\u5219\u7684\u65b9\u6cd5\u96be\u4ee5\u594f\u6548\u65f6\u8868\u73b0\u51fa\u8272\u3002\u8be5\u5de5\u5177\u7279\u522b\u9002\u7528\u4e8e\u590d\u6742\u6216\u7279\u5b9a\u9886\u57df\u7684\u6570\u636e\u63d0\u53d6\u573a\u666f\u3002\u5c3d\u7ba1\u4ecd\u6709\u6539\u8fdb\u7a7a\u95f4\uff0c\u4f46\u5728 2025 \u5e74\uff0cLangExtract \u5df2\u6210\u4e3a\u63d0\u53d6\u6709\u4f9d\u636e\u4fe1\u606f\u7684\u5f3a\u5927\u5de5\u5177\u3002<\/p>\n\n\n\n<p>\u539f\u6587\u94fe\u63a5\uff1a<a href=\"https:\/\/www.kdnuggets.com\/beginners-guide-to-data-extraction-with-langextract-and-llms\">https:\/\/www.kdnuggets.com\/beginners-guide-to-data-extraction-with-langextract-and-llms<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f15\u8a00 \u4f60\u77e5\u9053\u5417\uff1f\u5927\u90e8\u5206\u6709\u4ef7\u503c\u7684\u4fe1\u606f\u4ecd\u5b58\u5728\u4e8e\u975e\u7ed3\u6784\u5316\u6587\u672c\u4e2d\u3002\u4f8b\u5982\u7814\u7a76\u8bba&#46;&#46;&#46;<\/p>\n","protected":false},"author":2,"featured_media":442,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-648","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-tools"],"_links":{"self":[{"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/posts\/648","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/comments?post=648"}],"version-history":[{"count":1,"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/posts\/648\/revisions"}],"predecessor-version":[{"id":649,"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/posts\/648\/revisions\/649"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/media\/442"}],"wp:attachment":[{"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/media?parent=648"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/categories?post=648"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/smartaiunion.com\/index.php\/wp-json\/wp\/v2\/tags?post=648"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}