Bibliothek / Web Scraping & Recherche
Web Scraping & Recherche
Seiten mit einem Gemini-Vision-Agenten und ScrapingBee scrapen
Beim Start oder Aufruf durch einen anderen Workflow liest es URLs aus Google Sheets, ruft Seiten mit ScrapingBee ab und extrahiert Daten mit einem Gemini-Vision-Agenten.
Was sie bewirkt
## Vision-Based Scraping AI Agent This is the central node of the workflow, powered by an AI Agent with two key prompts: - System Prompt: Instructs the AI on how and what data to extract from the screenshot. You can customize this to suit your needs. It also includes fallback instructions to call a tool for retrieving the HTML page if data extraction from the screenshot fails. - User Message: Provides the page URL for context. ### Sub-Nodes 1. Google Gemini Chat Model Chosen because tests show that Gemini-1.5-Pro outperforms GPT-4 and GPT-4-Vision in visual tasks. *Either my prompt wasn’t optimized for GPT models, or GPT might need glasses 👓*. Other multimodal LLMs haven’t been tested yet. 2. HTML-Based Scraping Tool A fallback tool the agent uses if it cannot extract data directly from the screenshot. 3. Structured Output Parser Formats the extracted data into an easy-to-use structure, ready to be added to the results page in Google Sheets.
Die Schritte
- When clicking ‘Test workflow’
- ScrapingBee- Get page HTML
- Structured Output Parser
- Google Gemini Chat Model
- Split Out
- Google Sheets - Get list of URLs
- Set fields
- ScrapingBee - Get page screenshot
- HTML-based Scraping Tool
- Google Sheets - Create Rows
- Vision-based Scraping Agent
- HTML-Scraping Tool
- Set fields - from AI agent query
- HTML to Markdown
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