Product Quantizers for k-NN Tutorial

Signed-off-by: Zhao Junwang <[email protected]>
zhjwpku · Mar 30, 2024 · 8194424 · 8194424
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diff --git a/src/databases/vectordb/pq.md b/src/databases/vectordb/pq.md
@@ -47,4 +47,5 @@ PQ 是一种压缩算法，如果需要更快的检索速度，需要搭配一
 #### References:
 
 - [Product Quantization: Compressing high-dimensional vectors by 97%](https://www.pinecone.io/learn/series/faiss/product-quantization/)
-
+- [Product Quantizers for k-NN Tutorial Part 1](https://mccormickml.com/2017/10/13/product-quantizer-tutorial-part-1/)
+- [Product Quantizers for k-NN Tutorial Part 2](https://mccormickml.com/2017/10/22/product-quantizer-tutorial-part-2/)