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As Large Language Models (LLMs) are increasingly applied across various tasks, instruction tuning has emerged as a critical method for enhancing model performance. However, current data management strategies face substantial challenges in…

计算与语言 · 计算机科学 2025-04-15 Yangning Li , Zihua Lan , Lv Qingsong , Yinghui Li , Hai-Tao Zheng

In modern supervised learning, many deep neural networks are able to interpolate the data: the empirical loss can be driven to near zero on all samples simultaneously. In this work, we explicitly exploit this interpolation property for the…

机器学习 · 计算机科学 2020-08-04 Leonard Berrada , Andrew Zisserman , M. Pawan Kumar

Large language models (LLMs), although having revolutionized many fields, still suffer from the challenging extrapolation problem, where the inference ability of LLMs sharply declines beyond their max training lengths. In this work, we…

机器学习 · 计算机科学 2024-10-25 Xin Ma , Yang Liu , Jingjing Liu , Xiaoxu Ma

Large language models (LLMs) excel in tasks like question answering and dialogue, but complex tasks requiring interaction, such as negotiation and persuasion, require additional long-horizon reasoning and planning. Reinforcement learning…

计算与语言 · 计算机科学 2025-12-04 Joey Hong , Anca Dragan , Sergey Levine

Training a unified language model that adapts between intuitive System 1 and deliberative System 2 remains challenging due to interference between their cognitive modes. Recent studies have thus pursued making System 2 models more…

人工智能 · 计算机科学 2026-01-30 Chenxu Yang , Qingyi Si , Chong Tian , Xiyu Liu , Dingyu Yao , Chuanyu Qin , Zheng Lin , Weiping Wang , Jiaqi Wang

Linear position interpolation helps pre-trained models using rotary position embeddings (RoPE) to extrapolate to longer sequence lengths. We propose using linear position interpolation to extend the extrapolation range of models using…

计算与语言 · 计算机科学 2023-10-23 Faisal Al-Khateeb , Nolan Dey , Daria Soboleva , Joel Hestness

Position modeling plays a critical role in Transformers. In this paper, we focus on length extrapolation, i.e., training on short texts while evaluating longer sequences. We define attention resolution as an indicator of extrapolation. Then…

计算与语言 · 计算机科学 2022-12-21 Yutao Sun , Li Dong , Barun Patra , Shuming Ma , Shaohan Huang , Alon Benhaim , Vishrav Chaudhary , Xia Song , Furu Wei

The success of Large Language Models (LLMs) has sparked interest in various agentic applications. A key hypothesis is that LLMs, leveraging common sense and Chain-of-Thought (CoT) reasoning, can effectively explore and efficiently solve…

机器学习 · 计算机科学 2025-04-23 Thomas Schmied , Jörg Bornschein , Jordi Grau-Moya , Markus Wulfmeier , Razvan Pascanu

Diffusion transformers (DiTs) struggle to generate images at resolutions higher than their training resolutions. The primary obstacle is that the explicit positional encodings(PE), such as RoPE, need extrapolating to unseen positions which…

计算机视觉与模式识别 · 计算机科学 2025-09-25 Shen Zhang , Siyuan Liang , Yaning Tan , Zhaowei Chen , Linze Li , Ge Wu , Yuhao Chen , Shuheng Li , Zhenyu Zhao , Caihua Chen , Jiajun Liang , Yao Tang

Transformer-based large language models (LLMs) typically have a limited context window, resulting in significant performance degradation when processing text beyond the length of the context window. Extensive studies have been proposed to…

计算与语言 · 计算机科学 2024-11-19 Zican Dong , Junyi Li , Xin Men , Wayne Xin Zhao , Bingbing Wang , Zhen Tian , Weipeng Chen , Ji-Rong Wen

Transformer models achieve state-of-the-art performance on a wide range of NLP tasks. They however suffer from a prohibitive limitation due to the self-attention mechanism, inducing $O(n^2)$ complexity with regard to sequence length. To…

计算与语言 · 计算机科学 2022-10-28 Charles Condevaux , Sébastien Harispe

Extrapolation in Large language models (LLMs) for open-ended inquiry encounters two pivotal issues: (1) hallucination and (2) expensive training costs. These issues present challenges for LLMs in specialized domains and personalized data,…

计算与语言 · 计算机科学 2024-05-22 Yu-Hsiang Lin , Huang-Ting Shieh , Chih-Yu Liu , Kuang-Ting Lee , Hsiao-Cheng Chang , Jing-Lun Yang , Yu-Sheng Lin

In several real world applications, machine learning models are deployed to make predictions on data whose distribution changes gradually along time, leading to a drift between the train and test distributions. Such models are often…

机器学习 · 计算机科学 2021-11-23 Anshul Nasery , Soumyadeep Thakur , Vihari Piratla , Abir De , Sunita Sarawagi

Long chain-of-thought (CoT) significantly enhances the reasoning capabilities of large language models (LLMs). However, extensive reasoning traces lead to inefficiencies and increased time-to-first-token (TTFT). We propose a training…

计算与语言 · 计算机科学 2026-01-08 Roy Xie , David Qiu , Deepak Gopinath , Dong Lin , Yanchao Sun , Chong Wang , Saloni Potdar , Bhuwan Dhingra

Existing approaches based on context prompting or reinforcement learning (RL) to improve the reasoning capacities of large language models (LLMs) depend on the LLMs' internal knowledge to produce reliable Chain-Of-Thought (CoT). However, no…

人工智能 · 计算机科学 2025-05-30 Jiashu He , Mingyu Derek Ma , Jinxuan Fan , Dan Roth , Wei Wang , Alejandro Ribeiro

Advancements in Large Language Models (LLMs) inspire various strategies for integrating video modalities. A key approach is Video-LLMs, which incorporate an optimizable interface linking sophisticated video encoders to LLMs. However, due to…

计算机视觉与模式识别 · 计算机科学 2024-10-03 Yuzhang Shang , Bingxin Xu , Weitai Kang , Mu Cai , Yuheng Li , Zehao Wen , Zhen Dong , Kurt Keutzer , Yong Jae Lee , Yan Yan

Transformers with linear recurrent modeling offer linear-time training and constant-memory inference. Despite their demonstrated efficiency and performance, pretraining such non-standard architectures from scratch remains costly and risky.…

计算与语言 · 计算机科学 2025-05-08 Disen Lan , Weigao Sun , Jiaxi Hu , Jusen Du , Yu Cheng

In-Context Learning (ICL) enables large language models (LLMs) to achieve rapid task adaptation by learning from demonstrations. With the increase in available context length of LLMs, recent experiments have shown that the performance of…

计算与语言 · 计算机科学 2024-08-27 Peiwen Yuan , Shaoxiong Feng , Yiwei Li , Xinglin Wang , Yueqi Zhang , Chuyi Tan , Boyuan Pan , Heda Wang , Yao Hu , Kan Li

Large language models (LLMs) have revolutionized various domains but still struggle with non-Latin scripts and low-resource languages. This paper addresses the critical challenge of improving multilingual performance without extensive…

计算与语言 · 计算机科学 2025-01-08 Somnath Kumar , Vaibhav Balloli , Mercy Ranjit , Kabir Ahuja , Sunayana Sitaram , Kalika Bali , Tanuja Ganu , Akshay Nambi

Recently, Large Language Models (LLMs) have shown impressive language capabilities. While most of the existing LLMs have very unbalanced performance across different languages, multilingual alignment based on translation parallel data is an…

计算与语言 · 计算机科学 2024-06-19 Shimao Zhang , Changjiang Gao , Wenhao Zhu , Jiajun Chen , Xin Huang , Xue Han , Junlan Feng , Chao Deng , Shujian Huang