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Large Language Models (LLMs) have demonstrated considerable success in open-book question answering (QA), where the task requires generating answers grounded in a provided external context. A critical challenge in open-book QA is to ensure…

计算与语言 · 计算机科学 2025-05-02 Ivan Vankov , Matyo Ivanov , Adriana Correia , Victor Botev

LLMs have made significant progress in the field of mathematical reasoning, but whether they have true the mathematical understanding ability is still controversial. To explore this issue, we propose a new perturbation framework to evaluate…

人工智能 · 计算机科学 2025-11-12 Zhishen Sun , Guang Dai , Ivor Tsang , Haishan Ye

We know very little about how neural language models (LM) use prior linguistic context. In this paper, we investigate the role of context in an LSTM LM, through ablation studies. Specifically, we analyze the increase in perplexity when…

计算与语言 · 计算机科学 2018-05-15 Urvashi Khandelwal , He He , Peng Qi , Dan Jurafsky

Large Language Models (LLMs) excel at reasoning, traditionally requiring high-quality large-scale data and extensive training. Recent works reveal a very appealing Less-Is-More phenomenon where very small, carefully curated high-quality…

机器学习 · 计算机科学 2026-04-22 Rapheal Huang , Weilong Guo

Large language models (LLMs) are increasingly deployed as agents in dynamic, real-world environments, where success requires both reasoning and effective tool use. A central challenge for agentic tasks is the growing context length, as…

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

In the continuously advancing AI landscape, crafting context-rich and meaningful responses via Large Language Models (LLMs) is essential. Researchers are becoming more aware of the challenges that LLMs with fewer parameters encounter when…

计算与语言 · 计算机科学 2024-10-17 Somnath Banerjee , Amruit Sahoo , Sayan Layek , Avik Dutta , Rima Hazra , Animesh Mukherjee

Training large language models (LLMs) from scratch is an expensive endeavor, particularly as world knowledge continually evolves. To maintain relevance and accuracy of LLMs, model editing has emerged as a pivotal research area. While these…

计算与语言 · 计算机科学 2024-09-30 Tsung-Hsuan Pan , Chung-Chi Chen , Hen-Hsen Huang , Hsin-Hsi Chen

In-context learning enables large language models (LLMs) to perform a variety of tasks, including learning to make reward-maximizing choices in simple bandit tasks. Given their potential use as (autonomous) decision-making agents, it is…

计算与语言 · 计算机科学 2024-05-21 William M. Hayes , Nicolas Yax , Stefano Palminteri

Question-answering (QA) is a significant application of Large Language Models (LLMs), shaping chatbot capabilities across healthcare, education, and customer service. However, widespread LLM integration presents a challenge for small…

计算与语言 · 计算机科学 2023-09-06 Md Adnan Arefeen , Biplob Debnath , Srimat Chakradhar

Generative LLM have achieved remarkable success in various industrial applications, owing to their promising In-Context Learning capabilities. However, the issue of long context in complex tasks poses a significant barrier to their wider…

计算与语言 · 计算机科学 2025-10-14 Yihang Wang , Xu Huang , Bowen Tian , Yueyang Su , Lei Yu , Huaming Liao , Yixing Fan , Jiafeng Guo , Xueqi Cheng

We present LoCoVQA, a dynamic benchmark generator for evaluating long-context extractive reasoning in vision language models (VLMs). LoCoVQA augments test examples for mathematical reasoning, VQA, and character recognition tasks with…

计算与语言 · 计算机科学 2024-10-07 Aditya Sharma , Michael Saxon , William Yang Wang

Extending context windows (i.e., Long Context, LC) and using retrievers to selectively access relevant information (i.e., Retrieval-Augmented Generation, RAG) are the two main strategies to enable LLMs to incorporate extremely long external…

计算与语言 · 计算机科学 2025-01-06 Xinze Li , Yixin Cao , Yubo Ma , Aixin Sun

We introduce methods to quantify how Large Language Models (LLMs) encode and store contextual information, revealing that tokens often seen as minor (e.g., determiners, punctuation) carry surprisingly high context. Notably, removing these…

LLMs can help humans working with long documents, but are known to hallucinate. Attribution can increase trust in LLM responses: The LLM provides evidence that supports its response, which enhances verifiability. Existing approaches to…

计算与语言 · 计算机科学 2024-10-24 Jan Buchmann , Xiao Liu , Iryna Gurevych

Large language models (LLMs) trained on huge corpora of text datasets demonstrate intriguing capabilities, achieving state-of-the-art performance on tasks they were not explicitly trained for. The precise nature of LLM capabilities is often…

人工智能 · 计算机科学 2024-04-17 Eric J. Bigelow , Ekdeep Singh Lubana , Robert P. Dick , Hidenori Tanaka , Tomer D. Ullman

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

The success of expanded context windows in Large Language Models (LLMs) has driven increased use of broader context in retrieval-augmented generation. We investigate the use of LLMs for retrieval augmented question answering. While longer…

计算与语言 · 计算机科学 2026-01-01 Dingmin Wang , Ji Ma , Shankar Kumar

Large Language Models (LLMs) have the potential to revolutionize scientific research, yet their robustness and reliability in domain-specific applications remain insufficiently explored. In this study, we evaluate the performance and…

计算与语言 · 计算机科学 2025-08-15 Hongchen Wang , Kangming Li , Scott Ramsay , Yao Fehlis , Edward Kim , Jason Hattrick-Simpers

Large Language Models (LLMs) often exhibit positional bias in long-context settings, under-attending to information in the middle of inputs. We investigate the presence of this bias in long-form summarization, its impact on faithfulness,…

计算与语言 · 计算机科学 2025-07-08 David Wan , Jesse Vig , Mohit Bansal , Shafiq Joty
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