Aosong Feng
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126
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Info Retrieval×1AI×1ML×1
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2026
No More K-means: Single-Stage Sparse Coding for Efficient Multi-Vector Retrieval
The paper introduces Single-stage Sparse Retrieval (SSR), a method that replaces computationally expensive vector clustering with sparse autoencoding to achieve highly efficient multi-vector retrieval with improved performance.
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cs.IRcs.AIcs.LGRecentMay 28, 2026
No More K-means: Single-Stage Sparse Coding for Efficient Multi-Vector Retrieval
Lixuan Guo, Yifei Wang, Tiansheng Wen, Aosong Feng +2 more
The paper introduces Single-stage Sparse Retrieval (SSR), a method that replaces computationally expensive vector clustering with sparse autoencoding to achieve highly efficient multi-vector retrieval…
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