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Xiao Yan

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#machine learning Preprint Sep 2026

Denoising Surface: Modeling and Predicting Inference Cost for Diffusion LLM Serving

As diffusion large language models (dLLMs) become more capable, they are moving from research settings to real-world \textit{serving}, where request management (such as scheduling and resource allocation) relies on accurate estimation of per-request inference cost. However, common cost proxies fall short for dLLMs: out...

Hao-Yu Zheng, Fang-Cheng Fu, Bin-Hang Yuan et al. · 0 citations
Conference Open access Sep 2026

DeepSTE: Deep Spectral Temporal Embeddings for Dynamic Graph Representation Learning

DeepSTE is proposed, a deep spectral temporal embedding framework for dynamic graphs that learns RFF representations via Monte Carlo importance sampling with a tractable proposal distribution and adopts a data-dependent scale parameter to construct the frequency proposal distribution reflecting time–frequency uncertain...

Qiang Huang, Ke Liu, Ren-Jie Gong et al. · 0 citations
Open access Sep 2026

PoP-RAG: Holistic Query Planning for GraphRAG

PoP-RAG is proposed, which features a passage-on-edge (PoE) graph that links the passages with graph edges to resolve the one-to-many entity-passage mapping problem and enables targeted retrieval for each sub-query and ensures transparent response derivation logic, thus enhancing explainability.

Xin-Tong Hu, Qi-Ming Zeng, Yu-Hao Lin et al. · 0 citations
Book Open access Aug 2026

LAUA: Handling Missing Modalities and Unpaired Data in Multimodal Federated Learning

Experiments show that LAUA substantially mitigates performance degradation under modality missingness across retrieval and regression tasks, attaining up to 20% relative improvement in MRR for retrieval and up to 24.3% relative improvement in MSE for regression.

Yi Wei, Xiaokai Zhou, Shanshan Feng et al. · 0 citations

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