3 papers
cs.AI2026
LISA: Linear-Indexed Sparse Attention for Efficient Long-Context Reasoning
Yu Zhao, Zekun Zhang, Fan Jiang +9
Long chain-of-thought (CoT) reasoning models such as DeepSeek-R1 keep lengthening their inference chains under test-time scaling, yet standard self-attention incurs quadratic cost…
cs.AI2026
Difficulty-Estimated Policy Optimization
Yu Zhao, Fan Jiang, Tianle Liu +7
Recent advancements in Large Reasoning Models (LRMs), exemplified by DeepSeek-R1, have underscored the potential of scaling inference-time compute through Group Relative Policy Opt…
cs.LG2024
CombAlign: Enhancing Model Expressiveness in Unsupervised Graph Alignment
Songyang Chen, Yu Liu, Lei Zou +2
Unsupervised graph alignment finds the node correspondence between a pair of attributed graphs by only exploiting graph structure and node features. One category of recent studies…