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Yijie Xu

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#artificial intelligence Preprint Oct 2026

ImproveAnyTask: An Autonomous Post-Training Harness for Iterative Model Self-Improvement

Adapting general-purpose large language models to specific tasks requires substantial human effort in designing data and training strategies. Sustaining improvement is especially challenging because model updates change the error distribution, requiring strategies to be continually refined. We introduce ImproveAnyTask,...

Xing-Bo Yao, Xiao-Man Wang, Zheng-Wu Lei et al. · 0 citations
#artificial intelligence Open access Aug 2026

Against Political Polarization: A Unified Framework for Tracing Evolving Political Ideologies on Social Media

TSN4PI, a unified framework for tracking the evolution of political ideologies on social media, includes two core modules: the PIDN and the PIPN, which employs temporal graph neural networks to predict future ideological shifts, enabling comprehensive analysis of ideology presence, intensity, and evolution.

Yijie Xu, Chao Wang, Hui Xiong · 0 citations

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