Chunk Overlap Explained
Introduction: The Boundary Problem When a document is split into chunks for embedding and retrieval, a subtle but serious problem emerges at the boundaries. A sentence at the end of one chunk might depend on a sentence at the beginning of the next. A definition in chunk one might be …
Choosing the Right Chunk Size
Introduction: The Chunking Dilemma In a Retrieval-Augmented Generation system, documents must be divided into pieces before they can be embedded and stored. This division, called chunking, is one of the most consequential design decisions in the entire pipeline. Choose chunks...