arxiv
PublishedJuly 27, 2026 at 4:00 AM
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Learning What Matters: Supervising Sparse Attention Routing with Causal Evidence Sets
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arXiv:2607.21692v1 Announce Type: cross Abstract: Sparse attention reduces the cost of long contexts by allowing each query to read only selected parts of the input. These selectors are often trained by distilling the attention patterns of a dense teacher, assuming that attention reveals which conte
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Originally published on arxiv ↗