Author

Wei-Qiang Wang

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Preprint Oct 2026

Rethinking User Encoders: Routing Diffusion States for Scenario-Adaptive User Representation

Existing large language model (LLM)-based user encoders serialize heterogeneous behavioral logs and compress them into static representations through autoregressive (AR) prediction. However, their unidirectional constraint limits bidirectional information flow, hindering cross-modal interactions and the joint preservat...

Jun-Ru Zhang, Jin-Yong Wen, Bin Dou et al. · 0 citations

#artificial intelligence Preprint Sep 2026

FastE: Readout-Triggered Token Compression for LLM Embedding Inference

This study identifies depth-dependent prefix redundancy in final-readout LLM embedding models, notably across representative backbones including Qwen3-Embedding and Qwen3-VL-Embedding, and introduces FastE, a training-free, plug-and-play method that offers practical value for scalable embedding generation in retrieval,...

Jin-Song Shu, Jin-Yong Wen, Bao-Kun Wang et al. · 0 citations