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Large Language Models (LLMs) have garnered widespread attention due to their remarkable performance across various tasks. However, to mitigate the issue of hallucinations, LLMs often incorporate retrieval-augmented pipeline to provide them…

Computation and Language · Computer Science 2024-08-29 Haowen Hou , Fei Ma , Binwen Bai , Xinxin Zhu , Fei Yu

Large language models (LLMs) exhibit remarkable capabilities, yet their reasoning remains opaque, raising safety and trust concerns. Attribution methods, which assign credit to input features, have proven effective for explaining the…

Artificial Intelligence · Computer Science 2025-12-18 Chase Walker , Rickard Ewetz

With the emerging branch of incorporating factual knowledge into pre-trained language models such as BERT, most existing models consider shallow, static, and separately pre-trained entity embeddings, which limits the performance gains of…

Computation and Language · Computer Science 2020-10-02 Tianxiang Sun , Yunfan Shao , Xipeng Qiu , Qipeng Guo , Yaru Hu , Xuanjing Huang , Zheng Zhang

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…

Computation and Language · Computer Science 2025-07-11 Yuepei Li , Kang Zhou , Qiao Qiao , Bach Nguyen , Qing Wang , Qi Li

The opaque nature of Large Language Models (LLMs) has led to significant research efforts aimed at enhancing their interpretability, primarily through post-hoc methods. More recent in-hoc approaches, such as Concept Bottleneck Models…

Machine Learning · Computer Science 2025-02-20 Or Raphael Bidusa , Shaul Markovitch

We formalize a new concept for LLMs, context-enhanced learning. It involves standard gradient-based learning on text except that the context is enhanced with additional data on which no auto-regressive gradients are computed. This setting…

Machine Learning · Computer Science 2025-06-06 Xingyu Zhu , Abhishek Panigrahi , Sanjeev Arora

Lexical semantics is concerned with both the multiple senses a word can adopt in different contexts, and the semantic relations that exist between meanings of different words. To investigate them, Contextualized Language Models are a…

Computation and Language · Computer Science 2026-01-26 Bastien Liétard , Gabriel Loiseau

Recent advancements in large language models (LLMs) have enhanced natural-language reasoning. However, their limited parametric memory and susceptibility to hallucination present persistent challenges for tasks requiring accurate,…

Computation and Language · Computer Science 2025-06-02 Yu-Hsuan Lin , Qian-Hui Chen , Yi-Jie Cheng , Jia-Ren Zhang , Yi-Hung Liu , Liang-Yu Hsia , Yun-Nung Chen

While LLMs excel at reasoning over prompts using static pretrained knowledge, they struggle significantly with context learning-the ability to dynamically extract, internalize, and apply new knowledge from complex, task-specific contexts.…

Artificial Intelligence · Computer Science 2026-05-26 Hongbo Jin , Mingnan Zhu , Jingqi Tian , Xu Jiang , Zhongjing Du , Haoran Tang , Siyi Xie , Qiaoman Zhang , Jiayu Ding

Retrieval-Augmented Language Models (RALMs) have significantly improved performance in open-domain question answering (QA) by leveraging external knowledge. However, RALMs still struggle with unanswerable queries, where the retrieved…

Computation and Language · Computer Science 2024-08-09 Seong-Il Park , Seung-Woo Choi , Na-Hyun Kim , Jay-Yoon Lee

There is vivid research on adapting Large Language Models (LLMs) to perform a variety of tasks in high-stakes domains such as healthcare. Despite their popularity, there is a lack of understanding of the extent and contributing factors that…

Computation and Language · Computer Science 2024-06-07 Anand Subramanian , Viktor Schlegel , Abhinav Ramesh Kashyap , Thanh-Tung Nguyen , Vijay Prakash Dwivedi , Stefan Winkler

The scaling of inference computation has unlocked the potential of long-context large language models (LLMs) across diverse settings. For knowledge-intensive tasks, the increased compute is often allocated to incorporate more external…

Computation and Language · Computer Science 2025-03-04 Zhenrui Yue , Honglei Zhuang , Aijun Bai , Kai Hui , Rolf Jagerman , Hansi Zeng , Zhen Qin , Dong Wang , Xuanhui Wang , Michael Bendersky

Large Language Models (LLMs) demonstrate an impressive capacity to recall a vast range of factual knowledge. However, understanding their underlying reasoning and internal mechanisms in exploiting this knowledge remains a key research area.…

Computation and Language · Computer Science 2024-08-07 Marco Bronzini , Carlo Nicolini , Bruno Lepri , Jacopo Staiano , Andrea Passerini

Large language models (LLMs) have garnered significant attention for their superior performance in many knowledge-driven applications on the world wide web.These models are designed to train hundreds of millions or more parameters on large…

Computation and Language · Computer Science 2025-04-09 Bingchen Liu , Yuanyuan Fang , Naixing Xu , Shihao Hou , Xin Li , Qian Li

In recent years, Large Language Models (LLMs) have garnered significant attention from the research community due to their exceptional performance and generalization capabilities. In this paper, we introduce a novel method for…

Audio and Speech Processing · Electrical Eng. & Systems 2023-09-21 Egor Lakomkin , Chunyang Wu , Yassir Fathullah , Ozlem Kalinli , Michael L. Seltzer , Christian Fuegen

Though large language models (LLMs) have enabled great success across a wide variety of tasks, they still appear to fall short of one of the loftier goals of artificial intelligence research: creating an artificial system that can adapt its…

Computation and Language · Computer Science 2026-05-04 Michael A. Lepori , Tal Linzen , Ann Yuan , Katja Filippova

Large language models (LLMs) have shown great potential in decision-making due to the vast amount of knowledge stored within the models. However, these pre-trained models are prone to lack reasoning abilities and are difficult to adapt to…

Machine Learning · Computer Science 2025-06-02 Wei Chen , Jiahao Zhang , Haipeng Zhu , Boyan Xu , Zhifeng Hao , Keli Zhang , Junjian Ye , Ruichu Cai

When performing tasks like automatic speech recognition or spoken language understanding for a given utterance, access to preceding text or audio provides contextual information can improve performance. Considering the recent advances in…

Computation and Language · Computer Science 2023-12-18 Suwon Shon , Kwangyoun Kim , Prashant Sridhar , Yi-Te Hsu , Shinji Watanabe , Karen Livescu

Due to their ability to process long and complex contexts, LLMs can offer key benefits to the Legal domain, but their adoption has been hindered by their tendency to generate unfaithful, ungrounded, or hallucinatory outputs. While…

Computation and Language · Computer Science 2025-08-08 Santosh T. Y. S. S , Youssef Tarek Elkhayat , Oana Ichim , Pranav Shetty , Dongsheng Wang , Zhiqiang Ma , Armineh Nourbakhsh , Xiaomo Liu

Large Language Model (LLM) agents have demonstrated remarkable proficiency in learned tasks, yet they often struggle to adapt to non-stationary environments with feedback. While In-Context Learning and external memory offer some…

Artificial Intelligence · Computer Science 2026-03-05 Lu Yang , Zelai Xu , Minyang Xie , Jiaxuan Gao , Zhao Shok , Yu Wang , Yi Wu