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This paper presents novel systems and methodologies for the development of efficient large language models (LLMs). It explores the trade-offs between model size, performance, and computational resources, with the aim of maximizing the…

计算与语言 · 计算机科学 2023-09-14 Sia Gholami , Marwan Omar

A prior-informed large language model (LLM) driven multi-task learning framework is proposed for the unified description of multiple nuclear observables. By fine-tuning the pre-trained DeepSeek-R1-1.5B model with Low-Rank Adaptation (LoRA),…

核理论 · 物理学 2026-05-29 S. J. Guo , S. Y. Wang , E. H. Wang , Z. M. Niu , Y. M. Ding

Accurately quantifying a large language model's (LLM) predictive uncertainty is crucial for judging the reliability of its answers. While most existing research focuses on short, directly answerable questions with closed-form outputs (e.g.,…

计算与语言 · 计算机科学 2025-08-08 Yinghao Li , Rushi Qiang , Lama Moukheiber , Chao Zhang

Despite the rapid evolution of training paradigms, the decoder backbone of large vision--language models (LVLMs) remains fundamentally rooted in the residual-connection Transformer architecture. Therefore, deciphering the distinct roles of…

人工智能 · 计算机科学 2026-05-08 Gongli Xi , Ye Tian , Mengyu Yang , Huahui Yi , Liang Lin , Xiaoshuai Hao , Kun Wang , Wendong Wang

Instruction tuning is a pivotal technique for aligning large language models (LLMs) with human intentions, safety constraints, and domain-specific requirements. This survey provides a comprehensive overview of the full pipeline,…

计算与语言 · 计算机科学 2025-11-20 Xudong Han , Junjie Yang , Tianyang Wang , Ziqian Bi , Xinyuan Song , Junfeng Hao , Junhao Song

We introduce Jais and Jais-chat, new state-of-the-art Arabic-centric foundation and instruction-tuned open generative large language models (LLMs). The models are based on the GPT-3 decoder-only architecture and are pretrained on a mixture…

Deep neural networks typically rely on the representation produced by their final hidden layer to make predictions, implicitly assuming that this single vector fully captures the semantics encoded across all preceding transformations.…

机器学习 · 计算机科学 2025-11-18 Gennaro Vessio

This paper explores pruning attention heads as a post-processing bias mitigation method for large language models (LLMs). Modern AI systems such as LLMs are expanding into sensitive social contexts where fairness concerns become especially…

人工智能 · 计算机科学 2025-11-26 Vishnu Asutosh Dasu , Md Rafi ur Rashid , Vipul Gupta , Saeid Tizpaz-Niari , Gang Tan

The original softmax-based attention mechanism (regular attention) in the extremely successful Transformer architecture computes attention between $N$ tokens, each embedded in a $D$-dimensional head, with a time complexity of $O(N^2D)$.…

机器学习 · 计算机科学 2025-10-28 Armin Gerami , Ramani Duraiswami

In this study, we introduce Orion-14B, a collection of multilingual large language models with 14 billion parameters. We utilize a data scheduling approach to train a foundational model on a diverse corpus of 2.5 trillion tokens, sourced…

计算与语言 · 计算机科学 2024-01-24 Du Chen , Yi Huang , Xiaopu Li , Yongqiang Li , Yongqiang Liu , Haihui Pan , Leichao Xu , Dacheng Zhang , Zhipeng Zhang , Kun Han

Large language models excel in many human-language tasks but often falter in highly specialized domains like scholarly astronomy. To bridge this gap, we introduce AstroLLaMA, a 7-billion-parameter model fine-tuned from LLaMA-2 using over…

We introduce Robust Filter Attention (RFA), a formulation of self-attention as a robust state estimator. Each token is treated as a noisy observation of a latent trajectory governed by a linear stochastic differential equation (SDE), and…

机器学习 · 计算机科学 2026-05-26 Peter Racioppo

Recent advancements in Large Language Models (LLMs) have set themselves apart with their exceptional performance in complex language modelling tasks. However, these models are also known for their significant computational and storage…

计算与语言 · 计算机科学 2025-08-12 Peng Lu , Ivan Kobyzev , Mehdi Rezagholizadeh , Boxing Chen , Philippe Langlais

The self-attention mechanism is the backbone of the transformer neural network underlying most large language models. It can capture complex word patterns and long-range dependencies in natural language. This paper introduces exponential…

机器学习 · 统计学 2025-01-29 Kevin Christian Wibisono , Yixin Wang

Prevalent supervised learning methods in natural language processing (NLP) are notoriously data-hungry, which demand large amounts of high-quality annotated data. In practice, acquiring such data is a costly endeavor. Recently, the superior…

计算与语言 · 计算机科学 2023-11-01 Ruoyu Zhang , Yanzeng Li , Yongliang Ma , Ming Zhou , Lei Zou

Persona-based dialogue systems aim to generate consistent responses based on historical context and predefined persona. Unlike conventional dialogue generation, the persona-based dialogue needs to consider both dialogue context and persona,…

计算与语言 · 计算机科学 2024-01-11 Qiushi Huang , Yu Zhang , Tom Ko , Xubo Liu , Bo Wu , Wenwu Wang , Lilian Tang

In (Yang et al. 2016), a hierarchical attention network (HAN) is created for document classification. The attention layer can be used to visualize text influential in classifying the document, thereby explaining the model's prediction. We…

机器学习 · 计算机科学 2018-08-08 Cynthia Freeman , Jonathan Merriman , Abhinav Aggarwal , Ian Beaver , Abdullah Mueen

Most Chinese pre-trained models take character as the basic unit and learn representation according to character's external contexts, ignoring the semantics expressed in the word, which is the smallest meaningful utterance in Chinese.…

计算与语言 · 计算机科学 2020-04-30 Yanzeng Li , Bowen Yu , Mengge Xue , Tingwen Liu

Recently, federated large language models (LLMs) have drawn significant attention thanks to coupled capabilities of LLMs and federated learning (FL) that address privacy concerns in collaborative fine-tuning. However, due to large-scale…

分布式、并行与集群计算 · 计算机科学 2026-02-17 Zhiwen Pang , Kang Wei , Long Shi , Zhe Wang , Jun Li , Feng Shu

Chat models are capable of answering a wide range of questions, however, the accuracy of their responses is highly uncertain. In this research, we propose a specialized PEFT-MedAware model where we utilize parameter-efficient fine-tuning…

计算与语言 · 计算机科学 2023-11-20 Keivalya Pandya