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Large language models (LLMs) have shown impressive capabilities across a wide range of language tasks. However, their reasoning process is primarily guided by statistical patterns in training data, which limits their ability to handle novel…

Artificial Intelligence · Computer Science 2025-08-21 Hong Su

Retrieval-Augmented Generation (RAG) has recently emerged as a method to extend beyond the pre-trained knowledge of Large Language Models by augmenting the original prompt with relevant passages or documents retrieved by an Information…

As a primary means of information acquisition, information retrieval (IR) systems, such as search engines, have integrated themselves into our daily lives. These systems also serve as components of dialogue, question-answering, and…

Computation and Language · Computer Science 2025-09-18 Yutao Zhu , Huaying Yuan , Shuting Wang , Jiongnan Liu , Wenhan Liu , Chenlong Deng , Haonan Chen , Zheng Liu , Zhicheng Dou , Ji-Rong Wen

The emergence of large language models (LLMs) has revolutionized machine learning and related fields, showcasing remarkable abilities in comprehending, generating, and manipulating human language. However, their conventional usage through…

Computation and Language · Computer Science 2024-04-18 Andrea Bacciu , Florin Cuconasu , Federico Siciliano , Fabrizio Silvestri , Nicola Tonellotto , Giovanni Trappolini

Information retrieval aims to find information that meets users' needs from the corpus. Different needs correspond to different IR tasks such as document retrieval, open-domain question answering, retrieval-based dialogue, etc., while they…

Information Retrieval · Computer Science 2023-12-19 Shicheng Xu , Liang Pang , Huawei Shen , Xueqi Cheng

The Retrieval-Augmented Language Model (RALM) has shown remarkable performance on knowledge-intensive tasks by incorporating external knowledge during inference, which mitigates the factual hallucinations inherited in large language models…

Computation and Language · Computer Science 2024-12-20 Yuan Xia , Jingbo Zhou , Zhenhui Shi , Jun Chen , Haifeng Huang

Large Language Models (LLMs) demonstrate potential in the field of scientific idea generation. However, the generated results often lack controllable academic context and traceable inspiration pathways. To bridge this gap, this paper…

Artificial Intelligence · Computer Science 2026-02-27 Pengzhen Xie , Huizhi Liang

Large Language Models (LLMs) exhibit strong potential in mathematical reasoning, yet their effectiveness is often limited by a shortage of high-quality queries. This limitation necessitates scaling up computational responses through…

Artificial Intelligence · Computer Science 2025-05-20 Jingyue Gao , Runji Lin , Keming Lu , Bowen Yu , Junyang Lin , Jianyu Chen

Retrieval-augmented generation (RAG) appears as a promising method to alleviate the "hallucination" problem in large language models (LLMs), since it can incorporate external traceable resources for response generation. The essence of RAG…

Computation and Language · Computer Science 2024-10-16 Haosheng Qian , Yixing Fan , Ruqing Zhang , Jiafeng Guo

Knowledge graphs and large language models (LLMs) are key tools for biomedical knowledge integration and reasoning, facilitating structured organization of scientific articles and discovery of complex semantic relationships. However,…

Computation and Language · Computer Science 2025-04-01 Yichun Feng , Jiawei Wang , Ruikun He , Lu Zhou , Yixue Li

With the growing popularity of LLM agents and RAG, it has become increasingly important to retrieve documents that are essential for solving a task, even when their connection to the task is indirect or implicit. Addressing this problem…

Information Retrieval · Computer Science 2025-10-14 Junwei Lan , Jianlyu Chen , Zheng Liu , Chaofan Li , Siqi Bao , Defu Lian

In knowledge-intensive tasks, especially in high-stakes domains like medicine and law, it is critical not only to retrieve relevant information but also to provide causal reasoning and explainability. Large language models (LLMs) have…

Artificial Intelligence · Computer Science 2025-03-18 Hang Luo , Jian Zhang , Chujun Li

Reasoning in Large Language Models (LLMs) often suffers from inefficient long chain-of-thought traces with redundant self-exploration and validation, which inflate computational costs and even degrade performance. Inspired by human…

Artificial Intelligence · Computer Science 2026-02-17 Qianyue Wang , Jinwu Hu , Huanxiang Lin , Bolin Chen , Zhiquan Wen , Yaofo Chen , Yu Rong , Mingkui Tan

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

Recently, the emergence of large language models (LLMs) has revolutionized the paradigm of information retrieval (IR) applications, especially in web search, by generating vast amounts of human-like texts on the Internet. As a result, IR…

Information Retrieval · Computer Science 2024-08-01 Sunhao Dai , Yuqi Zhou , Liang Pang , Weihao Liu , Xiaolin Hu , Yong Liu , Xiao Zhang , Gang Wang , Jun Xu

Given a query and a document corpus, the information retrieval (IR) task is to output a ranked list of relevant documents. Combining large language models (LLMs) with embedding-based retrieval models, recent work shows promising results on…

Computation and Language · Computer Science 2023-11-01 Daman Arora , Anush Kini , Sayak Ray Chowdhury , Nagarajan Natarajan , Gaurav Sinha , Amit Sharma

The rapid advancement in capabilities of large language models (LLMs) raises a pivotal question: How can LLMs accelerate scientific discovery? This work tackles the crucial first stage of research, generating novel hypotheses. While recent…

Artificial Intelligence · Computer Science 2025-05-27 Aniketh Garikaparthi , Manasi Patwardhan , Lovekesh Vig , Arman Cohan

Retrieval Augmented Generation (RAG) is a technique used to augment Large Language Models (LLMs) with contextually relevant, time-critical, or domain-specific information without altering the underlying model parameters. However,…

Information Retrieval · Computer Science 2024-08-20 Laurent Mombaerts , Terry Ding , Adi Banerjee , Florian Felice , Jonathan Taws , Tarik Borogovac

Large Language Models (LLMs) have shown remarkable reasoning capabilities, while their practical applications are limited by severe factual hallucinations due to limitations in the timeliness, accuracy, and comprehensiveness of their…

Artificial Intelligence · Computer Science 2025-06-10 Xinyan Guan , Jiali Zeng , Fandong Meng , Chunlei Xin , Yaojie Lu , Hongyu Lin , Xianpei Han , Le Sun , Jie Zhou

The rapid advancement of large language models (LLMs) has opened new possibilities for automating the proposal of innovative scientific ideas. This process involves two key phases: literature retrieval and idea generation. However, existing…

Computation and Language · Computer Science 2025-02-18 Wenxiao Wang , Lihui Gu , Liye Zhang , Yunxiang Luo , Yi Dai , Chen Shen , Liang Xie , Binbin Lin , Xiaofei He , Jieping Ye