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wiki/concepts/Keyword-Based-Monitoring.md

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+---
+title: "Keyword-Based Monitoring"
+type: concept
+tags: [Keyword, Monitoring, YouTube, Search, AI-Agent]
+sources: [daily-youtube-digest]
+last_updated: 2026-04-22
+---
+
+## Definition
+
+Keyword-Based Monitoring 是一种以关键词/主题为触发条件，主动搜索并追踪新内容的方法。与 [[Channel-Based Monitoring]] 的"固定频道列表"不同，它以主题为中心——适合跟踪竞品动态、技术趋势、新闻事件等泛化兴趣。
+
+## How It Works
+
+1. **Define keywords**: "Claude Code", "AI agents", "OpenClaw", etc.
+2. **Periodic search**: AI Agent 定期通过 YouTube Search API 搜索含关键词的新视频
+3. **Deduplication**: 已处理视频 ID 存入 seen-videos.txt，避免重复
+4. **Transcript + Summary**: 对新视频执行 [[Transcript-Based Summarization]]
+5. **Delivery**: 合并到 [[Daily-Digest]]
+
+## Use Cases
+
+- **竞品追踪**: 监控竞品官方频道 + 相关 KOL 频道
+- **技术跟踪**: "RAG", "Fine-tuning", "vLLM" 等技术关键词
+- **行业新闻**: 特定公司/产品的最新视频评论
+
+## Connections
+- [[Keyword-Based Monitoring]] ← powers ← [[Daily YouTube Digest]]
+- [[Daily-Digest]] ← aggregates ← [[Keyword-Based Monitoring]]
+- [[Channel-Based Monitoring]] ← complements ← [[Keyword-Based Monitoring]]