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Author

Fei Shen

University of Singapore

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#natural language process... Preprint Sep 2026

Selecting What Matters: Semantic Compression-Guided Selective Pooling for Long-Context Embeddings

SCSP is a training-free framework that leverages semantic compression for informative token selection in long-context embedding and can be integrated into both zero-shot and fine-tuned models in a plug-and-play manner, consistently improving their performance.

Zi-Feng Cheng, Jie Zheng, Zhiwei Jiang et al. · 0 citations
#natural language process... Conference Open access Sep 2026

Focusing Condition: Inference-Time Self-Contrastive Steering Elicits Better Conditional Text Embeddings in LLMs

This work proposes an inference-time, plug-and-play Self-Contrastive Steering (SCS) method that constructs unconditional general text embeddings and uses them to refine conditional text embeddings, making them more focused on the target condition.

Zi-Feng Cheng, Ling-Yun Qian, Zhi-Wei Jiang et al. · 1 citation
Preprint Aug 2026

Accelerating Diffusion Language Models via Structured Suffix Modeling

This work proposes a structured suffix modeling method that incorporates the decoding results from the previous step into the suffix token representations at the current step, allowing them to carry evolving denoising information across generation steps.

Zi-Feng Cheng, Keda Li, Zhiwei Jiang et al. · 0 citations

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