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Recent advances in long-context language models (LCLMs), designed to handle extremely long contexts, primarily focus on utilizing external contextual information, often leaving the influence of language models' parametric knowledge…

计算与语言 · 计算机科学 2026-02-09 Yu Fu , Haz Sameen Shahgir , Hui Liu , Xianfeng Tang , Qi He , Yue Dong

Solving complex or long-horizon problems often requires large language models (LLMs) to use external tools and operate over a significantly longer context window. New LLMs enable longer context windows and support tool calling capabilities.…

机器学习 · 计算机科学 2025-12-03 Tsimur Hadeliya , Mohammad Ali Jauhar , Nidhi Sakpal , Diogo Cruz

Large language models (LLMs) achieved remarkable performance across various tasks. However, they face challenges in managing long documents and extended conversations, due to significantly increased computational requirements, both in…

计算与语言 · 计算机科学 2023-10-11 Yucheng Li , Bo Dong , Chenghua Lin , Frank Guerin

Evaluating the ability of large language models (LLMs) to process lengthy contexts is critical, especially for retrieving query-relevant information embedded within them. We introduce Sequential-NIAH, a benchmark specifically designed to…

计算与语言 · 计算机科学 2025-09-23 Yifei Yu , Qian-Wen Zhang , Lingfeng Qiao , Di Yin , Fang Li , Jie Wang , Zengxi Chen , Suncong Zheng , Xiaolong Liang , Xing Sun

Self-consistency (SC) improves the performance of large language models (LLMs) across various tasks and domains that involve short content. However, does this support its effectiveness for long-context problems? We challenge the assumption…

计算与语言 · 计算机科学 2025-10-03 Adam Byerly , Daniel Khashabi

Large Language Models (LLMs) have demonstrated remarkable capabilities in comprehending and analyzing lengthy sequential inputs, owing to their extensive context windows that allow processing millions of tokens in a single forward pass.…

计算与语言 · 计算机科学 2024-12-23 Peyman Hosseini , Ignacio Castro , Iacopo Ghinassi , Matthew Purver

Position-controlled evaluation is standard for retrieval tasks such as Needle-in-a-Haystack and RULER, but mainstream reasoning benchmarks do not control positional placement of target tasks in long contexts. We audit 11 long-context…

计算与语言 · 计算机科学 2026-05-25 Chuyifei Zhang , Hongyu Cui , Xiaowen Huang , Jitao Sang

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

Retrieval-augmented generation (RAG) has emerged as an approach to augment large language models (LLMs) by reducing their reliance on static knowledge and improving answer factuality. RAG retrieves relevant context snippets and generates an…

计算与语言 · 计算机科学 2025-02-21 Juraj Vladika , Florian Matthes

In this paper, we explore the challenges inherent to Large Language Models (LLMs) like GPT-4, particularly their propensity for hallucinations, logic mistakes, and incorrect conclusions when tasked with answering complex questions. The…

计算与语言 · 计算机科学 2023-12-22 Xiang Li , Haoran Tang , Siyu Chen , Ziwei Wang , Anurag Maravi , Marcin Abram

Large language models (LLM) have emerged as a powerful tool for AI, with the key ability of in-context learning (ICL), where they can perform well on unseen tasks based on a brief series of task examples without necessitating any…

机器学习 · 计算机科学 2024-05-31 Zhenmei Shi , Junyi Wei , Zhuoyan Xu , Yingyu Liang

Processing structured tabular data, particularly large and lengthy tables, constitutes a fundamental yet challenging task for large language models (LLMs). However, existing long-context benchmarks like Needle-in-a-Haystack primarily focus…

计算与语言 · 计算机科学 2025-10-29 Lanrui Wang , Mingyu Zheng , Hongyin Tang , Zheng Lin , Yanan Cao , Jingang Wang , Xunliang Cai , Weiping Wang

Large language models (LLMs) are increasingly being used in a zero-shot fashion to assess mental health conditions, yet we have limited knowledge on what factors affect their accuracy. In this study, we utilize a clinical dataset of natural…

Large language model fine-tuning has been identified as an efficient approach to applying the pre-trained Large language models to other domains. To guarantee data privacy for different data owners, models are often fine-tuned in federated…

机器学习 · 计算机科学 2025-02-27 Ping Zhang , Zhaorui Zhang , Sheng Di , Yao Xin , Benben Liu

Large Language Models (LLMs) have demonstrated impressive capabilities in reasoning and prediction across different domains. Yet, their ability to infer temporal regularities from structured behavioral data remains underexplored. This paper…

LLMs have demonstrated remarkable proficiency in understanding tasks but continue to struggle with long-context comprehension, particularly with content located in the middle of extensive inputs. This limitation, known as the…

计算与语言 · 计算机科学 2025-03-03 James Begin , Namit Agrawal , Eshan Singh , Yicheng Fu , Sean O'Brien , Vasu Sharma , Kevin Zhu

Large Language Models (LLMs) struggle with long-horizon tasks due to the "context bottleneck" and the "lost-in-the-middle" phenomenon, where accumulated noise from verbose environments degrades reasoning over multi-turn interactions. To…

人工智能 · 计算机科学 2026-04-14 Xiaozhe Li , Tianyi Lyu , Yizhao Yang , Liang Shan , Siyi Yang , Ligao Zhang , Zhuoyi Huang , Qingwen Liu , Yang Li

Time Series Language Models (TSLMs) promise reasoning over real-world temporal data, but their ability to retrieve and reason over long time-series remains largely untested. We introduce TS-Haystack, a multi-domain retrieval benchmark with…

As model context lengths continue to increase, the number of demonstrations that can be provided in-context approaches the size of entire training datasets. We study the behavior of in-context learning (ICL) at this extreme scale on…

计算与语言 · 计算机科学 2025-03-05 Amanda Bertsch , Maor Ivgi , Emily Xiao , Uri Alon , Jonathan Berant , Matthew R. Gormley , Graham Neubig

Recent reports suggest that LLMs can handle increasingly long contexts. However, many existing benchmarks for context understanding embed substantial query-irrelevant content, which shifts evaluation toward retrieving relevant snippets…

计算与语言 · 计算机科学 2026-01-05 Hyeonseok Moon , Heuiseok Lim