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Weaviate Knowledge Cards

Unlock the power of vector search. Our guides will help you conquer vector embeddings and build better AI applications.

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Knowledge Cards / Databases / PQ
Databases
PQ

PQ

Product quantization (PQ) is a compression technique for vectors, reducing memory usage by up to 90%. It's a lossy algorithm, meaning it trades some accuracy for significant memory savings. However, Weaviate employs a rescoring technique to reduce the loss of recall.

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