Author

Yusong Wang

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#natural language process... Preprint Oct 2026

Steering beyond Language: Improving Multilingual Training-Free Text Embeddings via Paired-Residual Subspace Removal

This work proposes Paired-Residual Subspace Removal (PRSR), a training-free inference-time intervention that steers LLM representations toward a more language-invariant semantic space and demonstrates that PRSR consistently improves the performance of existing training-free baselines in both monolingual and cross-lingu...

Ailiang Lin, Zhuo-Yun Li, Yu-Song Wang et al. · 0 citations

#machine learning Preprint Oct 2026

MotiveMob: Motivation as Semantic Action for Closed-Loop Human Mobility Generation

Experiments show that MotiveMob consistently achieves better distributional fidelity than competitive pretraining-based and prompting-based methods under user-level and temporal distribution shifts, demonstrating robust generalization to out-of-distribution mobility patterns.

Meng-Kun Gao, Zeng-Qing Wu, Ren-He Jiang et al. · 0 citations

#natural language process... Preprint Sep 2026

HyperTrace: Hypothesis-Based Preference Tracing for Online LLM Personalization

Experiments on PRISM and PersonaMem-v2 show that HyperTrace improves response alignment, preference prediction, and profile consistency over strong online baselines, demonstrating the effectiveness of tracing latent user preferences for robust personalization.

Jian-Zhi Shen, Ke-Yu Mao, Ming-Hao Shao et al. · 1 citation