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Large language models (LLMs) have demonstrated remarkable proficiency in generating detailed and coherent explanations of complex concepts. However, the extent to which these models truly comprehend the concepts they articulate remains…

Computation and Language · Computer Science 2025-03-11 Saeid Asgari Taghanaki , Joao Monteiro

Large language models (LLMs) are incredible and versatile tools for text-based tasks that have enabled countless, previously unimaginable, applications. Retrieval models, in contrast, have not yet seen such capable general-purpose models…

Information Retrieval · Computer Science 2025-09-10 Julian Killingback , Hamed Zamani

Large Language Models (LLMs) are now widely used for query reformulation and expansion in Information Retrieval, with many studies reporting substantial effectiveness gains. However, these results are typically obtained under heterogeneous…

Information Retrieval · Computer Science 2026-05-01 Amin Bigdeli , Radin Hamidi Rad , Hai Son Le , Mert Incesu , Negar Arabzadeh , Charles L. A. Clarke , Ebrahim Bagheri

Automatically extracting effective queries is challenging in information retrieval, especially in toxic content exploration, as such content is likely to be disguised. With the recent achievements in generative Large Language Model (LLM),…

Information Retrieval · Computer Science 2025-02-27 Shaola Ren , Li Ke , Longtao Huang , Dehong Gao , Hui Xue

Query understanding is essential in modern relevance systems, where user queries are often short, ambiguous, and highly context-dependent. Traditional approaches often rely on multiple task-specific Named Entity Recognition models to…

Information Retrieval · Computer Science 2025-09-15 Ping Liu , Jianqiang Shen , Qianqi Shen , Chunnan Yao , Kevin Kao , Dan Xu , Rajat Arora , Baofen Zheng , Caleb Johnson , Liangjie Hong , Jingwei Wu , Wenjing Zhang

The integration of large language models (LLMs) and search engines represents a significant evolution in knowledge acquisition methodologies. However, determining the knowledge that an LLM already possesses and the knowledge that requires…

Computation and Language · Computer Science 2024-05-31 Jiejun Tan , Zhicheng Dou , Yutao Zhu , Peidong Guo , Kun Fang , Ji-Rong Wen

Query expansion methods powered by large language models (LLMs) have demonstrated effectiveness in zero-shot retrieval tasks. These methods assume that LLMs can generate hypothetical documents that, when incorporated into a query vector,…

Computation and Language · Computer Science 2025-06-05 Yejun Yoon , Jaeyoon Jung , Seunghyun Yoon , Kunwoo Park

Despite the recent advancement in Retrieval-Augmented Generation (RAG) systems, most retrieval methodologies are often developed for factual retrieval, which assumes query and positive documents are semantically similar. In this paper, we…

Information Retrieval · Computer Science 2025-04-10 Luo Ji , Feixiang Guo , Teng Chen , Qingqing Gu , Xiaoyu Wang , Ningyuan Xi , Yihong Wang , Peng Yu , Yue Zhao , Hongyang Lei , Zhonglin Jiang , Yong Chen

Search-augmented large language models (LLMs) excel at knowledge-intensive tasks by integrating external retrieval. However, they often over-search -- unnecessarily invoking search tool even when it does not improve response quality, which…

Machine Learning · Computer Science 2026-03-12 Roy Xie , Deepak Gopinath , David Qiu , Dong Lin , Haitian Sun , Saloni Potdar , Bhuwan Dhingra

Large Language Models (LLMs) are increasingly used for accessing information on the web. Their truthfulness and factuality are thus of great interest. To help users make the right decisions about the information they get, LLMs should not…

Computation and Language · Computer Science 2024-04-03 Chenglei Si , Navita Goyal , Sherry Tongshuang Wu , Chen Zhao , Shi Feng , Hal Daumé , Jordan Boyd-Graber

Large Language Models (LLMs) have demonstrated remarkable proficiency in various natural language generation (NLG) tasks. Previous studies suggest that LLMs' generation process involves uncertainty. However, existing approaches to…

Computation and Language · Computer Science 2024-09-06 Yu-Hsiang Wang , Andrew Bai , Che-Ping Tsai , Cho-Jui Hsieh

The development of Large Language Models (LLMs) has brought impressive performances on mitigation strategies against misinformation, such as counterargument generation. However, LLMs are still seriously hindered by outdated knowledge and by…

Computation and Language · Computer Science 2024-10-21 Blanca Calvo Figueras , Rodrigo Agerri

Relevance modeling between queries and items stands as a pivotal component in commercial search engines, directly affecting the user experience. Given the remarkable achievements of large language models (LLMs) in various natural language…

Artificial Intelligence · Computer Science 2025-02-19 Kaixin Wu , Yixin Ji , Zeyuan Chen , Qiang Wang , Cunxiang Wang , Hong Liu , Baijun Ji , Jia Xu , Zhongyi Liu , Jinjie Gu , Yuan Zhou , Linjian Mo

This study aims to develop models that generate corpus informed clarifying questions for web search, in a way that ensures the questions align with the available information in the retrieval corpus. We demonstrate the effectiveness of…

Information Retrieval · Computer Science 2024-09-30 Antonios Minas Krasakis , Andrew Yates , Evangelos Kanoulas

Generating high-quality answers consistently by providing contextual information embedded in the prompt passed to the Large Language Model (LLM) is dependent on the quality of information retrieval. As the corpus of contextual information…

Information Retrieval · Computer Science 2024-08-01 Sai Ganesh , Anupam Purwar , Gautam B

By leveraging the retrieval of information from external knowledge databases, Large Language Models (LLMs) exhibit enhanced capabilities for accomplishing many knowledge-intensive tasks. However, due to the inherent flaws of current…

Computation and Language · Computer Science 2024-09-13 Siye Wu , Jian Xie , Jiangjie Chen , Tinghui Zhu , Kai Zhang , Yanghua Xiao

Retrieval-augmented large language models (LLMs) leverage relevant content retrieved by information retrieval systems to generate correct responses, aiming to alleviate the hallucination problem. However, existing retriever-responder…

Computation and Language · Computer Science 2024-06-26 Taolin Zhang , Dongyang Li , Qizhou Chen , Chengyu Wang , Longtao Huang , Hui Xue , Xiaofeng He , Jun Huang

Large language models (LLMs) have been increasingly used to analyze text. However, they are often plagued with contextual reasoning limitations when analyzing long documents. When long documents are processed sequentially, early or dominant…

Computation and Language · Computer Science 2026-05-21 Aisvarya Adeseye , Jouni Isoaho , Adeyemi Adeseye

The paper introduces ExKG-LLM, a framework designed to automate the expansion of cognitive neuroscience knowledge graphs (CNKG) using large language models (LLMs). It addresses limitations in existing tools by enhancing accuracy,…

Artificial Intelligence · Computer Science 2025-07-09 Ali Sarabadani , Kheirolah Rahsepar Fard , Hamid Dalvand

This study explores the sycophantic tendencies of Large Language Models (LLMs), where these models tend to provide answers that match what users want to hear, even if they are not entirely correct. The motivation behind this exploration…

Computation and Language · Computer Science 2024-08-27 Aswin RRV , Nemika Tyagi , Md Nayem Uddin , Neeraj Varshney , Chitta Baral