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Retrieval-augmented generation (RAG) is a promising method for addressing some of the memory-related challenges associated with Large Language Models (LLMs). Two separate systems form the RAG pipeline, the retriever and the reader, and the…

Computation and Language · Computer Science 2024-11-13 Alexandria Leto , Cecilia Aguerrebere , Ishwar Bhati , Ted Willke , Mariano Tepper , Vy Ai Vo

Citation granularity - whether to cite individual sentences, paragraphs, or documents - is a critical design choice in attributed generation. While fine-grained citations are often preferred for precise human verification, their impact on…

Computation and Language · Computer Science 2026-04-06 Hexuan Wang , Jingyu Zhang , Benjamin Van Durme , Daniel Khashabi

Retrieval-augmented generation (RAG) is widely used to augment large language models (LLMs) with external knowledge. However, many benchmark datasets, designed to test RAG performance, comprise many questions that can already be answered…

Computation and Language · Computer Science 2026-05-12 Jiayi Liu , Jiaxing Zhang , Bowen Jin , Jennifer Neville

Deploying Large Language Models (LLMs) for regulatory compliance demands rigorous traceability via comprehensive citations across multi-tiered authority structures. Unlike traditional multi-hop or legal QA, this task requires structured…

Artificial Intelligence · Computer Science 2026-05-29 Yeong-Joon Ju , Seong-Whan Lee

The rapid development of large language models has led to the widespread adoption of Retrieval-Augmented Generation (RAG), which integrates external knowledge to alleviate knowledge bottlenecks and mitigate hallucinations. However, the…

Computation and Language · Computer Science 2024-10-10 Ruotong Pan , Boxi Cao , Hongyu Lin , Xianpei Han , Jia Zheng , Sirui Wang , Xunliang Cai , Le Sun

Retrieval-augmented generation (RAG) methods can enhance the performance of LLMs by incorporating retrieved knowledge chunks into the generation process. In general, the retrieval and generation steps usually have different requirements for…

Information Retrieval · Computer Science 2025-04-16 Peiru Yang , Xintian Li , Zhiyang Hu , Jiapeng Wang , Jinhua Yin , Huili Wang , Lizhi He , Shuai Yang , Shangguang Wang , Yongfeng Huang , Tao Qi

In-context learning with large language models (LLMs) excels at adapting to various tasks rapidly. However, its success hinges on carefully selecting demonstrations, which remains an obstacle in practice. Current approaches to this problem…

Computation and Language · Computer Science 2024-01-15 Shangqing Xu , Chao Zhang

Reasoning-enhanced large language models (RLLMs), whether explicitly trained for reasoning or prompted via chain-of-thought (CoT), have achieved state-of-the-art performance on many complex reasoning tasks. However, we uncover a surprising…

Computation and Language · Computer Science 2025-09-03 Xiaomin Li , Zhou Yu , Zhiwei Zhang , Xupeng Chen , Ziji Zhang , Yingying Zhuang , Narayanan Sadagopan , Anurag Beniwal

Large language models (LLMs) frequently hallucinate, limiting their reliability in knowledge-intensive applications. Retrieval-augmented generation (RAG) and conformal factuality have emerged as potential ways to address this limitation.…

Artificial Intelligence · Computer Science 2026-03-18 Yi Chen , Daiwei Chen , Sukrut Madhav Chikodikar , Caitlyn Heqi Yin , Ramya Korlakai Vinayak

Citation generation aims to generate a citation sentence that refers to a chosen paper in the context of a manuscript. However, a rigid citation generation process is at odds with an author's desire to control specific attributes, such as…

Computation and Language · Computer Science 2023-12-15 Nianlong Gu , Richard H. R. Hahnloser

Retrieval-augmented LLMs are deployed for tasks where evidence quality determines action safety, yet evaluation protocols assume that single-turn robustness predicts robustness when evidence accumulates across turns. We show this assumption…

Artificial Intelligence · Computer Science 2026-05-27 Zhe Yu , Wenpeng Xing , Chen Ye , Xuyang Teng , Bo Yang , Changting Lin , Meng Han

For a LLM to be trustworthy, its confidence level should be well-calibrated with its actual performance. While it is now common sense that LLM performances are greatly impacted by prompts, the confidence calibration in prompting LLMs has…

Computation and Language · Computer Science 2024-09-10 Xinran Zhao , Hongming Zhang , Xiaoman Pan , Wenlin Yao , Dong Yu , Tongshuang Wu , Jianshu Chen

Retrieval-Augmented Generation (RAG) delivers substantial value in knowledge-intensive applications. However, its generated responses often lack transparent reasoning paths that trace back to source evidence from retrieved documents. This…

Computation and Language · Computer Science 2026-01-30 Jingyi Ren , Yekun Xu , Xiaolong Wang , Weitao Li , Ante Wang , Weizhi Ma , Yang Liu

Retrieval-Augmented Generation (RAG) systems have shown promise in enhancing the performance of Large Language Models (LLMs). However, these systems face challenges in effectively integrating external knowledge with the LLM's internal…

Citation quality is crucial in information-seeking systems, directly influencing trust and the effectiveness of information access. Current evaluation frameworks, both human and automatic, mainly rely on Natural Language Inference (NLI) to…

Computation and Language · Computer Science 2025-06-03 Yumo Xu , Peng Qi , Jifan Chen , Kunlun Liu , Rujun Han , Lan Liu , Bonan Min , Vittorio Castelli , Arshit Gupta , Zhiguo Wang

Large language models are increasingly used in scientific writing, yet they can fabricate citation-shaped references that appear plausible but fail bibliographic verification. Existing detectors often reduce verification to binary…

Computation and Language · Computer Science 2026-05-12 Mingzhe Li , Zhiqiang Lin , Shiqing Ma

Retrieval-Augmented Large Language Models (LLMs), which integrate external knowledge, have shown remarkable performance in medical domains, including clinical diagnosis. However, existing RAG methods often struggle to tailor retrieval…

Computation and Language · Computer Science 2025-10-16 Jiawei He , Mingyi Jia , Zhihao Jia , Junwen Duan , Yan Song , Jianxin Wang

Large Language Model (LLM) can enhance its credibility and verifiability by generating text with citations. However, existing research on citation generation is predominantly limited to sentence-level statements, neglecting the significance…

Computation and Language · Computer Science 2026-02-03 Yilong Xu , Jinhua Gao , Xiaoming Yu , Baolong Bi , Huawei Shen , Xueqi Cheng

Large language models (LLMs) solve complex problems yet fail on simpler variants, suggesting they achieve correct outputs through mechanisms fundamentally different from human reasoning. To understand this gap, we synthesize cognitive…

Purpose: Researchers frequently encounter the following problems when writing scientific articles: (1) Selecting appropriate citations to support the research idea is challenging. (2) The literature review is not conducted extensively,…

Information Retrieval · Computer Science 2021-05-04 Haihua Chen
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