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Large language models (LLMs) that are tuned with instructions have demonstrated remarkable capabilities in various tasks and languages. However, their ability to generalize to underrepresented languages is limited due to the scarcity of…

计算与语言 · 计算机科学 2023-10-25 Samuel Cahyawijaya , Holy Lovenia , Tiezheng Yu , Willy Chung , Pascale Fung

Language models (LMs) often struggle to pay enough attention to the input context, and generate texts that are unfaithful or contain hallucinations. To mitigate this issue, we present context-aware decoding (CAD), which follows a…

计算与语言 · 计算机科学 2023-05-25 Weijia Shi , Xiaochuang Han , Mike Lewis , Yulia Tsvetkov , Luke Zettlemoyer , Scott Wen-tau Yih

Large language models often necessitate grounding on external knowledge to generate faithful and reliable answers. Yet even with the correct groundings in the reference, they can ignore them and rely on wrong groundings or their inherent…

计算与语言 · 计算机科学 2024-06-14 Shuo Zhang , Liangming Pan , Junzhou Zhao , William Yang Wang

Effectively handling instructions with extremely long context remains a challenge for Large Language Models (LLMs), typically necessitating high-quality long data and substantial computational resources. This paper introduces Step-Skipping…

计算与语言 · 计算机科学 2024-05-08 Wenhao Wu , Yizhong Wang , Yao Fu , Xiang Yue , Dawei Zhu , Sujian Li

Extending large language models to effectively handle long contexts requires instruction fine-tuning on input sequences of similar length. To address this, we present LongAlign -- a recipe of the instruction data, training, and evaluation…

计算与语言 · 计算机科学 2024-02-01 Yushi Bai , Xin Lv , Jiajie Zhang , Yuze He , Ji Qi , Lei Hou , Jie Tang , Yuxiao Dong , Juanzi Li

In-context learning (ICL) ability has emerged with the increasing scale of large language models (LLMs), enabling them to learn input-label mappings from demonstrations and perform well on downstream tasks. However, under the standard ICL…

计算与语言 · 计算机科学 2024-04-19 Yifan Wang , Qingyan Guo , Xinzhe Ni , Chufan Shi , Lemao Liu , Haiyun Jiang , Yujiu Yang

Recent advances in large language models (LLMs) have led to remarkable progress across domains, yet their capabilities in the humanities, particularly history, remain underexplored. Historical reasoning poses unique challenges for AI,…

Transformer-based large language models (LLM) have been widely used in language processing applications. However, due to the memory constraints of the devices, most of them restrict the context window. Even though recurrent models in…

计算与语言 · 计算机科学 2025-02-07 Zifan He , Yingqi Cao , Zongyue Qin , Neha Prakriya , Yizhou Sun , Jason Cong

Large language models (LLMs) have significantly advanced natural language processing tasks, yet they are susceptible to generating inaccurate or unreliable responses, a phenomenon known as hallucination. In critical domains such as health…

计算与语言 · 计算机科学 2024-09-20 Sumera Anjum , Hanzhi Zhang , Wenjun Zhou , Eun Jin Paek , Xiaopeng Zhao , Yunhe Feng

Semantic caching significantly reduces computational costs and improves efficiency by storing and reusing large language model (LLM) responses. However, existing systems rely primarily on matching individual queries, lacking awareness of…

计算与语言 · 计算机科学 2025-07-16 Jianxin Yan , Wangze Ni , Lei Chen , Xuemin Lin , Peng Cheng , Zhan Qin , Kui Ren

Current large language models (LLMs) generally show a significant performance gap in alignment between English and other languages. To bridge this gap, existing research typically leverages the model's responses in English as a reference to…

计算与语言 · 计算机科学 2025-09-16 Xue Zhang , Yunlong Liang , Fandong Meng , Songming Zhang , Yufeng Chen , Jinan Xu , Jie Zhou

Recently, leveraging pre-trained Large Language Models (LLMs) for time series (TS) tasks has gained increasing attention, which involves activating and enhancing LLMs' capabilities. Many methods aim to activate LLMs' capabilities based on…

机器学习 · 计算机科学 2026-01-08 Yuxiao Hu , Qian Li , Dongxiao Zhang , Jinyue Yan , Yuntian Chen

While Retrieval-Augmented Generation (RAG) enables large language models (LLMs) to generate contextually grounded responses, contextual faithfulness remains challenging as LLMs may not consistently trust provided context, leading to…

计算与语言 · 计算机科学 2026-02-10 Yongchao Long , Xian Wu , Yingying Zhang , Xianbin Wen , Yuxi Zhou , Shenda Hong

Alignment plays a crucial role in Large Language Models (LLMs) in aligning with human preferences on a specific task/domain. Traditional alignment methods suffer from catastrophic forgetting, where models lose previously acquired knowledge…

计算与语言 · 计算机科学 2026-04-09 Junsong Li , Jie Zhou , Bihao Zhan , Yutao Yang , Qianjun Pan , Shilian Chen , Tianyu Huai , Xin Li , Qin Chen , Liang He

When asked to summarize articles or answer questions given a passage, large language models (LLMs) can hallucinate details and respond with unsubstantiated answers that are inaccurate with respect to the input context. This paper describes…

计算与语言 · 计算机科学 2024-10-04 Yung-Sung Chuang , Linlu Qiu , Cheng-Yu Hsieh , Ranjay Krishna , Yoon Kim , James Glass

In this work, we present a framework that utilizes ontology alignment to improve the learning process of deep learning models. With this approach we show that models fine-tuned using ontologies learn a downstream task at a higher rate with…

人工智能 · 计算机科学 2025-03-04 Shriram M S , Sushmitha S , Gayathri K S , Shahina A

Large language models (LLMs) often generate hallucinated content that lacks factual or contextual grounding, limiting their reliability in critical applications. Existing approaches such as supervised fine-tuning and reinforcement learning…

计算与语言 · 计算机科学 2025-12-23 Jensen Zhang , Ningyuan Liu , Yijia Fan , Zihao Huang , Qinglin Zeng , Kaitong Cai , Jian Wang , Keze Wang

Augmenting LLMs with context leads to improved performance across many applications. Despite much research on Retrieval Augmented Generation (RAG) systems, an open question is whether errors arise because LLMs fail to utilize the context…

计算与语言 · 计算机科学 2025-04-24 Hailey Joren , Jianyi Zhang , Chun-Sung Ferng , Da-Cheng Juan , Ankur Taly , Cyrus Rashtchian

Retrieval-augmented generation (RAG) improves Large Language Models (LLMs) by incorporating external information into the response generation process. However, how context-faithful LLMs are and what factors influence LLMs' context…

计算与语言 · 计算机科学 2025-07-11 Yuepei Li , Kang Zhou , Qiao Qiao , Bach Nguyen , Qing Wang , Qi Li

Large Language Models (LLMs) driven by In-Context Learning (ICL) have significantly improved the performance of text-to-SQL. Previous methods generally employ a two-stage reasoning framework, namely 1) schema linking and 2) logical…

计算与语言 · 计算机科学 2024-05-27 Ge Qu , Jinyang Li , Bowen Li , Bowen Qin , Nan Huo , Chenhao Ma , Reynold Cheng
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