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相关论文: DiffER: Diffusion Entity-Relation Modeling for Rev…

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In recent years, contrastive learning (CL) has been extensively utilized to recover sentence and document-level encoding capability from pre-trained language models. In this work, we question the length generalizability of CL-based models,…

计算与语言 · 计算机科学 2023-10-26 Chenghao Xiao , Yizhi Li , G Thomas Hudson , Chenghua Lin , Noura Al Moubayed

Calculating semantic textual similarity is a foundational task in natural language processing. Current large language models (LLMs) based methods typically rely on extracting last-layer hidden states with fixed dimensions to compute…

计算与语言 · 计算机科学 2026-05-29 Kaijie Zheng , Weiqin Wang , Yile Wang , Hui Huang

The focus on safety alignment in large language models (LLMs) has increased significantly due to their widespread adoption across different domains. The scale of LLMs play a contributing role in their success, and the growth in parameter…

人工智能 · 计算机科学 2025-07-29 Rachel S. Y. Teo , Laziz U. Abdullaev , Tan M. Nguyen

Large language models (LLMs) are inherently vulnerable to unintended privacy breaches. Consequently, systematic red-teaming research is essential for developing robust defense mechanisms. However, current data extraction methods suffer from…

机器学习 · 计算机科学 2025-05-13 Zhiqiang Wang , Ruoxi Cheng

Diffusion language models (DLMs) have recently emerged as an alternative to autoregressive approaches, offering parallel sequence generation and flexible token orders. However, their inference remains slower than that of autoregressive…

计算与语言 · 计算机科学 2026-04-10 Pengxiang Li , Yefan Zhou , Dilxat Muhtar , Lu Yin , Shilin Yan , Li Shen , Soroush Vosoughi , Shiwei Liu

While inference-time thinking allows Large Language Models (LLMs) to address complex problems, the extended thinking process can be unreliable or inconsistent because of the model's probabilistic nature, especially near its knowledge…

机器学习 · 计算机科学 2025-12-01 Diji Yang , Linda Zeng , Kezhen Chen , Yi Zhang

Large Language Models (LLMs) have transformed natural language processing and extended their powerful capabilities to multi-modal domains. As LLMs continue to advance, it is crucial to develop diverse and appropriate metrics for their…

机器学习 · 计算机科学 2024-10-15 Lai Wei , Zhiquan Tan , Chenghai Li , Jindong Wang , Weiran Huang

Artificial intelligence, particularly the subfield of machine learning, has seen a paradigm shift towards data-driven models that learn from and adapt to data. This has resulted in unprecedented advancements in various domains such as…

机器学习 · 计算机科学 2023-10-26 Leonardo Petrini

Diffusion language models (DLMs) have recently emerged as a promising alternative to autoregressive models, primarily due to their ability to enable parallel decoding. Despite this advantage, most existing DLMs rely on a fixed generation…

机器学习 · 计算机科学 2026-05-12 Bian Sun , Kevin Zhai , Mubarak Shah , Zhenyi Wang

Diffusion Large Language Models (dLLMs) are rapidly emerging alongside autoregressive models as a powerful paradigm for complex reasoning, with reinforcement learning increasingly used for downstream alignment. Existing trajectory-based RL…

机器学习 · 计算机科学 2025-11-20 Ranfei Chen , Ming Chen , Kaifei Wang

Recent diffusion-based Multimodal Large Language Models (dMLLMs) suffer from high inference latency and therefore rely on caching techniques to accelerate decoding. However, the application of cache mechanisms often introduces undesirable…

计算机视觉与模式识别 · 计算机科学 2026-01-29 Qiyan Zhao , Xiaofeng Zhang , Shuochen Chang , Qianyu Chen , Xiaosong Yuan , Xuhang Chen , Luoqi Liu , Jiajun Zhang , Xu-Yao Zhang , Da-Han Wang

Diffusion models are state-of-the-art tools for various generative tasks. Yet training these models involves estimating high-dimensional score functions, which in principle suffers from the curse of dimensionality. It is therefore important…

机器学习 · 计算机科学 2025-09-30 Georg A. Gottwald , Shuigen Liu , Youssef Marzouk , Sebastian Reich , Xin T. Tong

Diffusion models (DMs) have achieved state-of-the-art results for image synthesis tasks as well as density estimation. Applied in the latent space of a powerful pretrained autoencoder (LDM), their immense computational requirements can be…

计算机视觉与模式识别 · 计算机科学 2022-10-21 Jeremias Traub

Diffusion Large Language Models (DLLMs) promise fast parallel generation, yet open-source DLLMs still face a severe quality-speed trade-off: accelerating decoding by revealing multiple tokens often causes substantial quality degradation. We…

计算与语言 · 计算机科学 2026-05-19 Fanqin Zeng , Feng Hong , Geng Yu , Huangjie Zheng , Xiaofeng Cao , Ya Zhang , Bo Han , Yanfeng Wang , Jiangchao Yao

Transformer-based large language models (LLMs) excel in natural language processing tasks by capturing long-range dependencies through self-attention mechanisms. However, long-context modeling faces significant computational inefficiencies…

计算与语言 · 计算机科学 2025-08-15 Shuhai Zhang , Zeng You , Yaofo Chen , Zhiquan Wen , Qianyue Wang , Zhijie Qiu , Yuanqing Li , Mingkui Tan

Diffusion Language Models (DLMs) are often advertised as enabling parallel token generation, yet practical fast DLMs frequently converge to left-to-right, autoregressive (AR)-like decoding dynamics. In contrast, genuinely non-AR generation…

计算与语言 · 计算机科学 2026-03-02 Pengxiang Li , Dilxat Muhtar , Tianlong Chen , Lu Yin , Shiwei Liu

Efficiency, as a critical practical challenge for LLM-driven agentic and reasoning systems, is increasingly constrained by the inherent latency of autoregressive (AR) decoding. Speculative decoding mitigates this cost through a draft-verify…

机器学习 · 计算机科学 2025-12-18 Zicong Cheng , Guo-Wei Yang , Jia Li , Zhijie Deng , Meng-Hao Guo , Shi-Min Hu

In-context learning (ICL) enables large language models (LLMs) to perform new tasks using only a few demonstrations. However, in Named Entity Recognition (NER), existing ICL methods typically rely on task-agnostic semantic similarity for…

计算与语言 · 计算机科学 2025-10-30 Fan Bai , Hamid Hassanzadeh , Ardavan Saeedi , Mark Dredze

Due to the ease of training, ability to scale, and high sample quality, diffusion models (DMs) have become the preferred option for generative modeling, with numerous pre-trained models available for a wide variety of datasets. Containing…

机器学习 · 计算机科学 2024-01-17 Weijian Luo , Tianyang Hu , Shifeng Zhang , Jiacheng Sun , Zhenguo Li , Zhihua Zhang

Dementia is a sensitive neurocognitive disorder affecting tens of millions of people worldwide and its cases are expected to triple by 2050. Alarmingly, recent advancements in dementia classification make it possible for adversaries to…

计算与语言 · 计算机科学 2024-10-08 Dominika Woszczyk , Soteris Demetriou
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