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Hao-Bo Xu

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#artificial intelligence Preprint Sep 2026

STEPQuant: When and Where Errors Matter in Delta-Rule Recurrent State Quantization

STEPQuant is proposed, a spatial-temporal post-training quantization framework for Delta-rule recurrent states that allocates precision according to error magnitude and memory lifetime, and jointly fits key-row and value-column scales based on state distributions and key-row impact on output error.

Bing-Chen Yao, Hao-Bo Xu, Hao-Kun Lin et al. · 0 citations
Preprint Aug 2026

Benchmarking Trustworthiness of SLMs: Pre-trained vs. Compressed

First, it is demonstrated that quantization is significantly more effective in preserving trustworthiness compared to pruning, and more importantly, it is demonstrated that compressing a reliable large model via quantization can produce SLMs with superior trustworthiness and adaptability compared to using small models...

Hao-Kun Lin, Kai-Jie Zhu, Hao-Bo Xu et al. · 2 citations
#artificial intelligence Preprint Sep 2026

Predict, Don't Iterate: Efficient Adaptive-Length Infilling for Diffusion Language Models

PILL (Probing-based InfiLling with preset-Length-free decoding), an efficient infilling method for DLMs that requires no preset initial length and adds far fewer extra forward passes than baselines, substantially reducing inference time is proposed.

Hao-Bo Xu, Si-Rui Chen, Yuan-Chen Bei et al. · 4 citations
Jun 2026

TAG-DLM: Diffusion Language Models for Text-Attributed Graph Learning

This work proposes method that unifies textual reasoning and graph message passing within a masked diffusion language model, a language model with bidirectional attention and generative decoding that outperforms graph neural networks, graph transformers, and LLM-based baselines on all three TAG benchmarks across two ta...

Lingjie Chen, Yuanchen Bei, Haobo Xu et al. · 1 citation

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