Su San Talks Tech

Nov 1, 2026 · Artificial Intelligence

LangChain4j RAG Chunking Strategies: Recursive Splitting, Overlap Windows & Parent-Child Retrieval

This article details a three-tier semantic chunking approach for RAG systems using LangChain4j: recursive punctuation-based splitting, tokenizer-aware overlapping windows, and parent-child document mapping with Redis and Qdrant to balance retrieval precision and context completeness.