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Related papers: Corpus-Steered Query Expansion with Large Language…

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While large language models (LMs) demonstrate remarkable performance, they encounter challenges in providing accurate responses when queried for information beyond their pre-trained memorization. Although augmenting them with relevant…

Computation and Language · Computer Science 2024-03-29 Seiji Maekawa , Hayate Iso , Sairam Gurajada , Nikita Bhutani

Large language models (LLMs) exhibit remarkable generative capabilities but often suffer from hallucinations. Retrieval-augmented generation (RAG) offers an effective solution by incorporating external knowledge, but existing methods still…

Computation and Language · Computer Science 2024-12-17 Xiaoxi Li , Jiajie Jin , Yujia Zhou , Yongkang Wu , Zhonghua Li , Qi Ye , Zhicheng Dou

Large language models (LLMs) are probabilistic in nature and perform more reliably when augmented with external information. As complex queries often require multi-step reasoning over the retrieved information, with no clear or…

Information Retrieval · Computer Science 2026-04-10 Roxana Petcu , Evangelos Kanoulas , Maarten de Rijke

Equipped with Chain-of-Thought (CoT), Large language models (LLMs) have shown impressive reasoning ability in various downstream tasks. Even so, suffering from hallucinations and the inability to access external knowledge, LLMs often come…

Computation and Language · Computer Science 2023-10-31 Keheng Wang , Feiyu Duan , Sirui Wang , Peiguang Li , Yunsen Xian , Chuantao Yin , Wenge Rong , Zhang Xiong

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…

Information Retrieval · Computer Science 2025-09-10 Haoxiang Jin , Ronghan Li , Zixiang Lu , Qiguang Miao

Most large language models (LLMs) are trained once and never updated; thus, they lack the ability to dynamically adapt to our ever-changing world. In this work, we perform a detailed study of the factuality of LLM-generated text in the…

Computation and Language · Computer Science 2023-11-23 Tu Vu , Mohit Iyyer , Xuezhi Wang , Noah Constant , Jerry Wei , Jason Wei , Chris Tar , Yun-Hsuan Sung , Denny Zhou , Quoc Le , Thang Luong

Natural Language Processing (NLP) technologies have revolutionized the way we interact with information systems, with a significant focus on converting natural language queries into formal query languages such as SQL. However, less emphasis…

Computation and Language · Computer Science 2024-02-22 Luming Lu , Jiyuan An , Yujie Wang , Liner yang , Cunliang Kong , Zhenghao Liu , Shuo Wang , Haozhe Lin , Mingwei Fang , Yaping Huang , Erhong Yang

While large language models (LLMs) have shown remarkable capabilities to generate coherent text, they suffer from the issue of hallucinations -- factually inaccurate statements. Among numerous approaches to tackle hallucinations, especially…

Computation and Language · Computer Science 2025-06-25 Juraj Vladika , Ihsan Soydemir , Florian Matthes

In Large Language Models (LLMs) generation, there exist knowledge conflicts and scenarios where parametric knowledge contradicts knowledge provided in the context. Previous works studied tuning, decoding algorithms, or locating and editing…

Computation and Language · Computer Science 2025-09-03 Yilin Wang , Heng Wang , Yuyang Bai , Minnan Luo

Large language models (LLMs) have achieved remarkable performance on knowledge graph question answering (KGQA) tasks by planning and interacting with knowledge graphs. However, existing methods often confuse tool utilization with knowledge…

Computation and Language · Computer Science 2025-03-10 Mufan Xu , Gewen Liang , Kehai Chen , Wei Wang , Xun Zhou , Muyun Yang , Tiejun Zhao , Min Zhang

Despite their impressive performance on diverse tasks, large language models (LMs) still struggle with tasks requiring rich world knowledge, implying the limitations of relying solely on their parameters to encode a wealth of world…

Computation and Language · Computer Science 2023-07-04 Alex Mallen , Akari Asai , Victor Zhong , Rajarshi Das , Daniel Khashabi , Hannaneh Hajishirzi

Large Language Models (LLMs) have demonstrated remarkable adaptability, showcasing their capacity to excel in tasks for which they were not explicitly trained. However, despite their impressive natural language processing (NLP)…

Computation and Language · Computer Science 2023-09-08 Supun Manathunga , Isuru Hettigoda

Long-context large language models (LLMs) hold promise for tasks such as question-answering (QA) over long documents, but they tend to miss important information in the middle of context documents (arXiv:2307.03172v3). Here, we introduce…

Computation and Language · Computer Science 2024-03-11 Devanshu Agrawal , Shang Gao , Martin Gajek

Ambiguous words are often found in modern digital communications. Lexical ambiguity challenges traditional Word Sense Disambiguation (WSD) methods, due to limited data. Consequently, the efficiency of translation, information retrieval, and…

Computation and Language · Computer Science 2025-09-16 T. G. D. K. Sumanathilaka , Nicholas Micallef , Julian Hough

As large language models (LLMs) show impressive performance on complex tasks, they still struggle with longer contextual understanding and high computational costs. To balance efficiency and quality, we introduce LLMSteer, a…

Machine Learning · Computer Science 2024-11-22 Zhuohan Gu , Jiayi Yao , Kuntai Du , Junchen Jiang

Most recently, researchers have started building large language models (LLMs) powered data systems that allow users to analyze unstructured text documents like working with a database because LLMs are very effective in extracting attributes…

Databases · Computer Science 2025-07-14 Zhaoze Sun , Qiyan Deng , Chengliang Chai , Kaisen Jin , Xinyu Guo , Han Han , Ye Yuan , Guoren Wang , Lei Cao

Getting relevant information from search engines has been the heart of research works in information retrieval. Query expansion is a retrieval technique that has been studied and proved to yield positive results in relevance. Users are…

Information Retrieval · Computer Science 2021-03-22 Onifade Olufade , Arise Abiola , Ogboo Chisom

Large language models (LLMs) are increasingly being integrated into search engines to provide natural language responses tailored to user queries. Customers and end-users are also becoming more dependent on these models for quick and easy…

Information Retrieval · Computer Science 2024-09-04 Aounon Kumar , Himabindu Lakkaraju

Dense retrieval is a crucial task in Information Retrieval (IR), serving as the basis for downstream tasks such as re-ranking and augmenting generation. Recently, large language models (LLMs) have demonstrated impressive semantic…

Information Retrieval · Computer Science 2025-08-20 Hengran Zhang , Keping Bi , Jiafeng Guo , Xiaojie Sun , Shihao Liu , Daiting Shi , Dawei Yin , Xueqi Cheng

Large Language Models (LLMs) have achieved impressive progress in natural language processing, but their limited ability to retain long-term context constrains performance on document-level or multi-turn tasks. Retrieval-Augmented…

Computation and Language · Computer Science 2025-05-20 Zhangyu Wang , Siyuan Gao , Rong Zhou , Hao Wang , Li Ning
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