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Large language models (LLMs) have emerged as strong contenders in machine translation.Yet, they still struggle to adequately handle discourse phenomena, such as pronoun resolution and lexical cohesion at the document level. In this study,…

计算与语言 · 计算机科学 2025-10-09 Wafaa Mohammed , Vlad Niculae , Chrysoula Zerva

While long-context large language models (LLMs) exhibit remarkable document processing capabilities, their prohibitively high training costs often hinder customized applications. To mitigate this issue, we propose \textit{Sequential…

机器学习 · 计算机科学 2025-05-23 Wenhao Li , Yuxin Zhang , Gen Luo , Daohai Yu , Rongrong Ji

Fine-tuning has been demonstrated to be an effective method to improve the domain performance of large language models (LLMs). However, LLMs might fit the dataset bias and shortcuts for prediction, leading to poor generation performance.…

计算与语言 · 计算机科学 2024-07-02 Zhongkun Liu , Zheng Chen , Mengqi Zhang , Zhaochun Ren , Pengjie Ren , Zhumin Chen

Block-wise sparse attention offers significant efficiency gains for long-context modeling, yet existing methods often suffer from low selection fidelity and cumulative contextual loss by completely discarding unselected blocks. To address…

计算与语言 · 计算机科学 2026-02-02 Bailin Wang , Dan Friedman , Tao Lei , Chong Wang

Long-context modeling is crucial for next-generation language models, yet the high computational cost of standard attention mechanisms poses significant computational challenges. Sparse attention offers a promising direction for improving…

Diffusion large language models (dLLMs) generate text by iteratively denoising masked token sequences. Although dLLMs can predict all masked positions in parallel within each step, the large number of denoising iterations still makes…

计算与语言 · 计算机科学 2026-05-18 Shengyin Sun , Yiming Li , Renxi Liu , Xinqi Li , Hui-Ling Zhen , Weizhe Lin , Chen Chen , Xianzhi Yu , Mingxuan Yuan , Chen Ma

Pre-trained Transformer language models (LM) have become go-to text representation encoders. Prior research fine-tunes deep LMs to encode text sequences such as sentences and passages into single dense vector representations for efficient…

计算与语言 · 计算机科学 2021-09-22 Luyu Gao , Jamie Callan

Rotary Position Embedding (RoPE) is an efficient position encoding approach and is widely utilized in numerous large language models (LLMs). Recently, a lot of methods have been put forward to further expand the context window based on…

计算与语言 · 计算机科学 2025-05-20 Wenqiao Zhu , Chao Xu , Lulu Wang , Jun Wu

Sequence labeling is a fundamental task in natural language processing and has been widely studied. Recently, RNN-based sequence labeling models have increasingly gained attentions. Despite superior performance achieved by learning the long…

计算与语言 · 计算机科学 2021-10-19 Wei Wei , Zanbo Wang , Xianling Mao , Guangyou Zhou , Pan Zhou , Sheng Jiang

With the rapid expansion in the scale of large language models (LLMs), enabling efficient distributed inference across multiple computing units has become increasingly critical. However, communication overheads from popular distributed…

分布式、并行与集群计算 · 计算机科学 2025-06-03 Han-Byul Kim , Duc Hoang , Arnav Kundu , Mohammad Samragh , Minsik Cho

Hallucinations pose a significant challenge in Large Vision Language Models (LVLMs), with misalignment between multimodal features identified as a key contributing factor. This paper reveals the negative impact of the long-term decay in…

计算机视觉与模式识别 · 计算机科学 2025-07-24 Qiyan Zhao , Xiaofeng Zhang , Yiheng Li , Yun Xing , Xiaosong Yuan , Feilong Tang , Sinan Fan , Xuhang Chen , Xuyao Zhang , Dahan Wang

Recent advances in inference-time scaling, particularly those leveraging reinforcement learning with verifiable rewards, have substantially enhanced the reasoning capabilities of Large Vision-Language Models (LVLMs). Inspired by this…

计算机视觉与模式识别 · 计算机科学 2025-10-13 Yifan Li , Zhenghao Chen , Ziheng Wu , Kun Zhou , Ruipu Luo , Can Zhang , Zhentao He , Yufei Zhan , Wayne Xin Zhao , Minghui Qiu

Fine-tuning large language models (LLMs) for recommendation in a generative manner has delivered promising results, but encounters significant inference overhead due to autoregressive decoding in the language space. This work explores…

信息检索 · 计算机科学 2025-09-16 Chengbing Wang , Yang Zhang , Zhicheng Wang , Tianhao Shi , Keqin Bao , Fuli Feng , Tat-Seng Chua

Prompt tuning (PT) offers a cost-effective alternative to fine-tuning large-scale pre-trained language models (PLMs), requiring only a few parameters in soft prompt tokens added before the input text. However, existing PT approaches face…

计算与语言 · 计算机科学 2025-02-19 Pengxiang Lan , Haoyu Xu , Enneng Yang , Yuliang Liang , Guibing Guo , Jianzhe Zhao , Xingwei Wang

Masked diffusion language models (MDLMs) have emerged as a promising alternative to dominant autoregressive approaches. Although they achieve competitive performance on several tasks, a substantial gap remains in open-ended text generation.…

计算与语言 · 计算机科学 2026-02-02 Mengyu Ye , Ryosuke Takahashi , Keito Kudo , Jun Suzuki

While Large Language Models (LLMs) demonstrate exceptional performance in surface-level text generation, their nature in handling complex multi-step reasoning tasks often remains one of ``statistical fitting'' rather than systematic logical…

机器学习 · 计算机科学 2026-01-27 Lianlei Shan , Han Chen , Yixuan Wang , Zhenjie Liu , Wei Li

Despite recent advances in Large Vision Language Models (LVLMs), these models still suffer from generating hallucinatory responses that do not align with the visual input provided. To mitigate such hallucinations, we introduce Efficient…

计算机视觉与模式识别 · 计算机科学 2025-04-17 Laura Fieback , Nishilkumar Balar , Jakob Spiegelberg , Hanno Gottschalk

Large Language Models (LLMs) often experience performance degradation during long-running interactions due to increasing context length, memory saturation, and computational overhead. This paper presents an adaptive context compression…

计算机视觉与模式识别 · 计算机科学 2026-04-01 Payal Fofadiya , Sunil Tiwari

Pruning is a widely used technique to reduce the size and inference cost of large language models (LLMs), but it often causes performance degradation. To mitigate this, existing restoration methods typically employ parameter-efficient…

机器学习 · 计算机科学 2025-10-28 Zijian Feng , Hanzhang Zhou , Zixiao Zhu , Tianjiao Li , Jia Jim Deryl Chua , Lee Onn Mak , Gee Wah Ng , Kezhi Mao

The large integration of microphones into devices increases the opportunities for Acoustic Side-Channel Attacks (ASCAs), as these can be used to capture keystrokes' audio signals that might reveal sensitive information. However, the current…

密码学与安全 · 计算机科学 2025-04-17 Seyyed Ali Ayati , Jin Hyun Park , Yichen Cai , Marcus Botacin