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Augmenting large language models (LLMs) with external context significantly improves their performance in natural language processing (NLP) tasks. However, LLMs struggle to answer queries reliably when the provided context lacks…

Large language models (LLMs) experience significant performance degradation when the input exceeds the pretraining context window, primarily due to the out-of-distribution (OOD) behavior of Rotary Position Embedding (RoPE). Recent studies…

计算与语言 · 计算机科学 2025-08-06 Sikui Zhang , Guangze Gao , Ziyun Gan , Chunfeng Yuan , Zefeng Lin , Houwen Peng , Bing Li , Weiming Hu

Large language models (LLMs) demonstrate their promise in tackling complicated practical challenges by combining action-based policies with chain of thought (CoT) reasoning. Having high-quality prompts on hand, however, is vital to the…

机器学习 · 计算机科学 2024-03-01 Xue Yan , Yan Song , Xinyu Cui , Filippos Christianos , Haifeng Zhang , David Henry Mguni , Jun Wang

Large Language Models (LLMs) excel at generating natural language answers, yet their outputs often remain unverifiable and difficult to trace. Knowledge Graphs (KGs) offer a complementary strength by representing entities and their…

计算与语言 · 计算机科学 2025-12-05 Alfonso Amayuelas , Joy Sain , Simerjot Kaur , Charese Smiley

Pretrained large Language Models (LLMs) are able to answer questions that are unlikely to have been encountered during training. However a diversity of potential applications exist in the broad domain of reasoning systems and considerations…

计算与语言 · 计算机科学 2024-11-27 Tim Hartill

While recent language models have the ability to take long contexts as input, relatively little is known about how well they use longer context. We analyze the performance of language models on two tasks that require identifying relevant…

计算与语言 · 计算机科学 2023-11-22 Nelson F. Liu , Kevin Lin , John Hewitt , Ashwin Paranjape , Michele Bevilacqua , Fabio Petroni , Percy Liang

Large language models (LLMs) encode vast world knowledge in their parameters, yet they remain fundamentally limited by static knowledge, finite context windows, and weakly structured causal reasoning. This survey provides a unified account…

计算与语言 · 计算机科学 2026-04-06 Prakhar Bansal , Shivangi Agarwal

Large language models (LLMs) are typically constrained to reason in the language space, where they express the reasoning process through a chain-of-thought (CoT) to solve complex problems. However, the language space may not always be…

计算与语言 · 计算机科学 2025-11-04 Shibo Hao , Sainbayar Sukhbaatar , DiJia Su , Xian Li , Zhiting Hu , Jason Weston , Yuandong Tian

Combinatorial optimization (CO) is essential for improving efficiency and performance in engineering applications. As complexity increases with larger problem sizes and more intricate dependencies, identifying the optimal solution become…

计算工程、金融与科学 · 计算机科学 2025-10-30 Shuo Jiang , Min Xie , Jianxi Luo

Large Language Models (LLMs) excel at reasoning and planning when trained on chainof-thought (CoT) data, where the step-by-step thought process is explicitly outlined by text tokens. However, this results in lengthy inputs where many words…

计算与语言 · 计算机科学 2025-09-03 DiJia Su , Hanlin Zhu , Yingchen Xu , Jiantao Jiao , Yuandong Tian , Qinqing Zheng

Large language models (LLMs) have recently transformed both the academic and industrial landscapes due to their remarkable capacity to understand, analyze, and generate texts based on their vast knowledge and reasoning ability.…

计算与语言 · 计算机科学 2024-09-23 Song Wang , Yaochen Zhu , Haochen Liu , Zaiyi Zheng , Chen Chen , Jundong Li

Despite the impressive performance of large language models (LLMs) pretrained on vast knowledge corpora, advancing their knowledge manipulation-the ability to effectively recall, reason, and transfer relevant knowledge-remains challenging.…

计算与语言 · 计算机科学 2026-01-13 Qitan Lv , Tianyu Liu , Qiaosheng Zhang , Xingcheng Xu , Chaochao Lu

Rapid and accurate situational awareness is essential for effective response during natural disasters, where delays in analysis can significantly hinder decision-making. Training task-specific models for post-disaster assessment is often…

计算机视觉与模式识别 · 计算机科学 2026-05-13 Armin Zarbaft , Ehsan Karimi , Nhut Le , Maryam Rahnemoonfar

Large language models (LLMs) still grapple with complex tasks like mathematical reasoning. Despite significant efforts invested in improving prefix prompts or reasoning process, the crucial role of problem context might have been neglected.…

计算与语言 · 计算机科学 2024-03-28 Haoran Liao , Jidong Tian , Shaohua Hu , Hao He , Yaohui Jin

Large Language Models (LLMs) are increasingly employed as AI tutors due to their scalability and potential for personalized instruction. However, off-the-shelf LLMs often underperform in educational settings: they frequently reveal answers…

计算与语言 · 计算机科学 2025-08-13 Shuzhou Yuan , William LaCroix , Hardik Ghoshal , Ercong Nie , Michael Färber

Large Language Models (LLMs) often generate inaccurate responses (hallucinations) when faced with questions beyond their knowledge scope. Retrieval-Augmented Generation (RAG) addresses this by leveraging external knowledge, but a critical…

信息检索 · 计算机科学 2025-09-10 Haoxiang Jin , Ronghan Li , Zixiang Lu , Qiguang Miao

Recently, Chain-of-Thought (CoT) prompting has delivered success on complex reasoning tasks, which aims at designing a simple prompt like ``Let's think step by step'' or multiple in-context exemplars with well-designed rationales to elicit…

计算与语言 · 计算机科学 2024-06-04 Jianing Wang , Qiushi Sun , Xiang Li , Ming Gao

The performance of Large Language Models (LLMs) is fundamentally determined by the contextual information provided during inference. This survey introduces Context Engineering, a formal discipline that transcends simple prompt design to…

The development of Long-Context Large Language Models (LLMs) has markedly advanced natural language processing by facilitating the process of textual data across long documents and multiple corpora. However, Long-Context LLMs still face two…

计算与语言 · 计算机科学 2024-10-10 Jingyang Deng , Zhengyang Shen , Boyang Wang , Lixin Su , Suqi Cheng , Ying Nie , Junfeng Wang , Dawei Yin , Jinwen Ma

While large language models (LLMs) are equipped with longer text input capabilities than before, they are struggling to seek correct information in long contexts. The "lost in the middle" problem challenges most LLMs, referring to the…

计算与语言 · 计算机科学 2024-08-15 Junqing He , Kunhao Pan , Xiaoqun Dong , Zhuoyang Song , Yibo Liu , Qianguo Sun , Yuxin Liang , Hao Wang , Enming Zhang , Jiaxing Zhang