Author

Wenxin Ma

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Open access Aug 2026

A Multimodal Graph Framework for News Credibility Assessment and Propagation-Level Prediction

A multimodal framework that produces a credibility classification and a propagation-level prediction within a single processing pipeline is evaluated that combines frozen RoBERTa features, engineered interaction statistics, a standard GCN, and Transformer self-attention over modality representations.

Long Yang, Wenxin Ma, Wei-Te Li · Mathematics · 0 citations

Preprint Aug 2026

Wnuan: Staged Post-Training for Question Answering over Proprietary Enterprise Knowledge

Wnuan, a three-stage pipeline that constructs task-oriented supervision from documents, performs supervised fine-tuning with general-data replay, and applies reinforcement learning to residual errors is presented, describing both the gains and the general-capability cost of staged enterprise adaptation.

Xiaofeng Shi, Xiaosong Qiu, Wenxin Ma et al. · 0 citations