Author

Yi-Xian Chen

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#artificial intelligence Preprint Jul 2026

Lens: Bringing the Right Semantic Perspective into Focus for Training-Free Multimodal Representation Learning

High-quality representations are essential for a wide range of downstream tasks. Dedicated embedding models are explicitly optimized for representation learning, yet their training data are often more limited in scale and diversity than the massive corpora used to pretrain modern large language models and multimodal la...

Xin-Ran Liu, Shouqian Shi, Yi-Xian Chen et al. · 0 citations

Jul 2026

CodeRescue: Budget-Calibrated Recovery Routing for Coding Agents

This work forms a post-failure decision as recovery routing over heterogeneous actions and train a supervised router from execution rollouts to make the same router usable under changing budgets, and adds a Conformal Risk Control layer that selects a deployment-time cost penalty without retraining and provides marginal...

Qi-Jia He, Jia-Yi Cheng, Chen-Qian Le et al. · arXiv.org · 2 citations