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CodeSignal

Scaling up RAG with Vector Databases using JavaScript

via CodeSignal

Overview

Build and query a vector database for RAG: preprocess documents, store chunk embeddings in ChromaDB, retrieve relevant chunks with metadata filters and weighting, craft multi-chunk prompts, manage collection updates, and scale ingestion with batch strategies.

Syllabus

  • Unit 1: Scaling Up RAG with Vector Databases: Document Chunking in JavaScript
    • Implementing Word-Based Text Chunking
    • Refining Text Chunking with Sentence Boundaries in JavaScript
    • Chunking Text with Overlap in JavaScript
    • Organizing Text Chunks with Metadata in JavaScript
    • Enhancing Text Chunking with Keyword Detection
  • Unit 2: Storing and Managing Text Chunks in Vector Databases with JavaScript
    • Exploring Vector Databases with ChromaDB in JavaScript
    • Building a ChromaDB Collection with JavaScript
    • Dynamically Managing ChromaDB Collections in JavaScript
    • Efficiently Managing ChromaDB Collections with Keyword-Based Deletion
  • Unit 3: Retrieving Relevant Chunks and Building LLM Prompts in JavaScript
    • Enhance the retrieveTopChunks Function for Semantic Similarity Retrieval
    • Integrating Contextual Prompts with LLMs in JavaScript
    • Implementing Metadata Filtering for RAG Vector Retrieval
    • Incorporating Distance Threshold in Retrieval Process
  • Unit 4: Metadata-Based Filtering in RAG Systems with JavaScript
    • Implement Metadata Filtering in JavaScript
    • Metadata Enhanced Search in JavaScript
    • Enhancing Document Search with Category and Date Filters
    • Implementing a Fallback Mechanism for Metadata-Based Search in JavaScript

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