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Shuo Yang

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#artificial intelligence Preprint Sep 2026

Learning What to Skip: Counterfactual Credit Assignment for Efficient Multi-Agent LLM Workflows

Learning What to Skip is introduced, which learns action-specific safety models from these interventions and combines held-out calibration with domain-native guards to select skips and reduces recorded token cost while matching or improving aggregate full-workflow accuracy in the evaluated settings.

Jin-Feng Xu, Zhe-Yu Chen, Zi-Yue Peng et al. · 0 citations
Preprint Aug 2026

Agents as Knowledge Integrator and Utilizer in Multimodal Recommendation

This work proposes AgentMMRec, an agent-based multimodal recommendation framework with two coordinated roles that consistently improves Recall and NDCG over recent multimodal baselines, remains effective under sparsity and item cold-start settings, and can transfer its constructed knowledge to existing backbones.

Jin-Feng Xu, Zhe-Yu Chen, Shuo Yang et al. · 0 citations
#artificial intelligence Preprint Aug 2026

Learning What to Activate: Combinatorial Capability Allocation for Long-Horizon Multimodal Agents

This paper introduces CoCA, an on-policy learning framework that recovers a deployable capability-subset policy from sparse conditional comparisons, and introduces dual-level on-policy distillation to address distribution mismatch both across environment states and within the partial subsets encountered during set cons...

Wen-Hao Yuan, Chen-Chen Lin, Jian Chen et al. · 0 citations
Preprint Aug 2026

Neural Tree Collaborative Filtering: Rethinking Graph Collaborative Filtering as Tree Collaborative Filtering with Curvature-Aware Propagation Depth

This paper proposes Neural Tree Collaborative Filtering (NTCF), a framework that re-interprets each node's local neighborhood as a rooted tree and assigns a node-specific propagation depth based on a closed-form local-degree-imbalance score that serves as a discrete Ricci-curvature proxy.

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

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