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Dev.to
Dev.to
5/9/2026
🚀 From Agents to Data Intelligence: Load Files, Scrape Web & Analyze with LangChain

🚀 From Agents to Data Intelligence: Load Files, Scrape Web & Analyze with LangChain

Short summary

Tutorial on using LangChain to load and analyze data from files, CSVs, and web URLs, progressing to vector database-based semantic search for efficiency. Includes practical stock research assistant example analyzing Tata Motors with Indian financial data sources.

  • Load and process text files, CSVs, and web content with LangChain loaders
  • Scale data analysis with vector databases (Chroma) for efficient semantic search
  • Real-world example: build a stock research assistant analyzing Tata Motors

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