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Hai-Tao Mi

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#natural language process... Preprint Sep 2026

SAS: Simple Attention Sparsification via End-to-End Optimization of Context Ranking

Across reasoning, long-context understanding, and agentic tasks, SAS consistently outperforms trainable sparse attention baselines across attention budgets, with especially large gains under tight budgets, demonstrating more effective context ranking for downstream tasks.

Zhi-Wei Li, Lei Zhu, Hao Gu et al. · 1 citation
#artificial intelligence Preprint Sep 2026

FlowBalance: Verifier-Grounded Self-Improvement from On-Policy Reasoning Experience

FlowBalance, a verifier-grounded self-improvement method that learns a normalized distribution over complete responses, improves average performance over FlowRL on both Qwen3-4B and Qwen3-8B, while also improving training speed and stability, avoiding direct OPSD's response-length collapse, and exhibiting higher correc...

Zi-Xun Huang, Kishan Panaganti, Hai-Tao Mi et al. · 0 citations

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