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Shujie Li

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#artificial intelligence Preprint Oct 2026

Beyond Successor Accuracy: State Retention for Recursive Self-Improvement in Recommendation

Recommendation recursive self-improvement (Rec-RSI) feeds recommender outputs into subsequent training. Evaluating each round solely through its latest model assumes that the successor consolidates the update, although pre- and post-update models may retain complementary ranking decisions. We term this \emph{distribute...

Jin-Feng Xu, Zhe-Yu Chen, Zi-Yue Peng et al. · 0 citations

HeTGB: A Comprehensive Benchmark for Heterophilic Text-Attributed Graphs

The HeTGB is introduced, a novel benchmark comprising five real-world heterophilic graph datasets from diverse domains, with nodes enriched by extensive textual descriptions that enables systematic evaluation of GNNs, pre-trained language models (PLMs) and co-training methods on the node classification task.

Shujie Li, Yuxia Wu, Chuan Shi et al. · 5 citations · ⚡2
Preprint Aug 2026

When Is Shallow Enough? Adaptive Split Federated Learning with Client-Specific Sufficiency Estimation

A client-specific adaptation channel based on private prompt tokens, which tracks local adaptation dynamics separately from the shared backbone and provides a lightweight signal for detecting whether client adaptation remains active, and a shallow sufficiency estimator that combines cross-client semantic alignment, tem...

Wen-Hao Yuan, Chen-Chen Lin, Wentao Hu et al. · 0 citations

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