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A practical dictionary of 512 AI, machine learning, mathematics, and programming terms from HerbDev’s AI Vocabulary app. Start with a definition, explore an example, then follow the concepts behind it.

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Chunk Overlap

RAG / Retrieval · Level 2 of 5

Chunk Overlap

Content intentionally shared between adjacent chunks.

Overlap can preserve boundary context while increasing storage and duplication.

Example

The last two sentences of one chunk also begin the next.

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Audio transcript

Chunk Overlap. Content intentionally shared between adjacent chunks. Overlap can preserve boundary context while increasing storage and duplication. For example: The last two sentences of one chunk also begin the next.

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