Author

Andrew Liu

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#machine learning Preprint Sep 2026

Reliable Replay through Spatial Coherence in Online Continual Learning

Continually adapting models to new tasks requires retaining earlier knowledge under limited memory and computation. Experience replay addresses this challenge, but priorities based on individual loss increases overlook how related memories respond to the same update and can overemphasize isolated responses. We introduc...

Hai-Xiang Sun, Jie-Fu Zhang, Yi He et al. · 0 citations

Open access Jul 2026

Hierarchical causal structure discovery from layered topological orderings

HiTOC is proposed, a Hierarchical Topological Ordering framework for Causal discovery that constructs the global causal structure via layer-wise integration of local orderings over induced subsets by Markov Blanket and achieves state-of-the-art performance in both accuracy and scalability, particularly in high-dimensio...

Haixiang Sun, Pengchao Tian, Zihan Zhou et al. · International Journal of Dat... · 0 citations