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Retrieval-Augmented Generation (RAG) enhances the performance of Large Language Models (LLMs) by incorporating external knowledge. However, LLMs still encounter challenges in effectively utilizing the knowledge from retrieved documents,…

计算与语言 · 计算机科学 2025-02-26 Mingyan Wu , Zhenghao Liu , Yukun Yan , Xinze Li , Shi Yu , Zheni Zeng , Yu Gu , Ge Yu

Despite notable advancements in Retrieval-Augmented Generation (RAG) systems that expand large language model (LLM) capabilities through external retrieval, these systems often struggle to meet the complex and diverse needs of real-world…

计算与语言 · 计算机科学 2025-03-13 Jinyu Wang , Jingjing Fu , Rui Wang , Lei Song , Jiang Bian

This paper introduces an innovative approach using Retrieval-Augmented Generation (RAG) pipelines with Large Language Models (LLMs) to enhance information retrieval and query response systems for university-related question answering. By…

信息检索 · 计算机科学 2024-12-03 Arshia Hemmat , Kianoosh Vadaei , Mohammad Hassan Heydari , Afsaneh Fatemi

Retrieval-Augmented Generation (RAG) has become a core paradigm for enhancing factual grounding and multi-hop reasoning in Large Language Models (LLMs). Traditional text-based RAG often retrieves logically irrelevant pseudo-evidence, while…

人工智能 · 计算机科学 2026-05-08 Jiarui Zhong , Hong Cai Chen

Retrieval-Augmented Generation (RAG) methods augment the input of Large Language Models (LLMs) with relevant retrieved passages, reducing factual errors in knowledge-intensive tasks. However, contemporary RAG approaches suffer from…

计算与语言 · 计算机科学 2024-05-24 Dian Jiao , Li Cai , Jingsheng Huang , Wenqiao Zhang , Siliang Tang , Yueting Zhuang

Graph Retrieval-Augmented Generation (Graph RAG) effectively builds a knowledge graph (KG) to connect disparate facts across a large document corpus. However, this broad-view approach often lacks the deep structured reasoning needed for…

计算与语言 · 计算机科学 2025-10-27 Jiaoyang Li , Junhao Ruan , Shengwei Tang , Saihan Chen , Kaiyan Chang , Yuan Ge , Tong Xiao , Jingbo Zhu

Despite the remarkable progress of Large Language Models (LLMs), their performance in question answering (QA) remains limited by the lack of domain-specific and up-to-date knowledge. Retrieval-Augmented Generation (RAG) addresses this…

信息检索 · 计算机科学 2025-09-17 Yaodong Su , Yixiang Fang , Yingli Zhou , Quanqing Xu , Chuanhui Yang

Retrieval-Augmented Generation (RAG) improves Large Language Models (LLMs) by retrieving supporting documents into the prompt, but existing methods do not explicitly target queries that require fetching multiple documents with substantially…

Question Generation (QG) is an essential component of the automatic intelligent tutoring systems, which aims to generate high-quality questions for facilitating the reading practice and assessments. However, existing QG technologies…

计算与语言 · 计算机科学 2020-12-14 Xin Jia , Wenjie Zhou , Xu Sun , Yunfang Wu

Federated search systems aggregate results from multiple search engines, selecting appropriate sources to enhance result quality and align with user intent. With the increasing uptake of Retrieval-Augmented Generation (RAG) pipelines,…

信息检索 · 计算机科学 2024-02-20 Shuai Wang , Ekaterina Khramtsova , Shengyao Zhuang , Guido Zuccon

Retrieval-Augmented Generation (RAG) has shown substantial promise in improving factual accuracy by grounding model responses with external knowledge relevant to queries. However, most existing approaches are limited to a text-only corpus,…

计算与语言 · 计算机科学 2026-05-19 Woongyeong Yeo , Kangsan Kim , Soyeong Jeong , Jinheon Baek , Sung Ju Hwang

Large Language Models (LLMs) hold significant promise for mathematics education, yet they often struggle with complex mathematical reasoning. While Retrieval-Augmented Generation (RAG) mitigates these issues by grounding LLMs in external…

计算与语言 · 计算机科学 2025-12-02 Shiting Chen , Zijian Zhao , Jinsong Chen

Retrieval-Augmented Generation (RAG) has emerged as a promising paradigm for improving the timeliness of knowledge updates and the factual accuracy of large language models. However, incorporating a large volume of retrieved documents…

计算与语言 · 计算机科学 2026-05-29 Ziqiang Cui , Yunpeng Weng , Xing Tang , Peiyang Liu , Shiwei Li , Bowei He , Jiamin Chen , Yansen Zhang , Xiuqiang He , Chen Ma

Universal multimodal embedding (UME) maps heterogeneous inputs into a shared retrieval space with a single model. Recent approaches improve UME by generating explicit chain-of-thought (CoT) rationales before extracting embeddings, enabling…

计算机视觉与模式识别 · 计算机科学 2026-04-21 Chenwei He , Xiangzhao Hao , Tianyu Yang , Yuxiang Ma , Yuheng Jia , Lingxiang Wu , Chaoyang Zhao , Haiyun Guo , Jinqiao Wang

Chunking information is a key step in Retrieval Augmented Generation (RAG). Current research primarily centers on paragraph-level chunking. This approach treats all texts as equal and neglects the information contained in the structure of…

计算与语言 · 计算机科学 2024-03-19 Antonio Jimeno Yepes , Yao You , Jan Milczek , Sebastian Laverde , Renyu Li

Embeddings from Visual-Language Models are increasingly utilized to represent semantics in robotic maps, offering an open-vocabulary scene understanding that surpasses traditional, limited labels. Embeddings enable on-demand querying by…

机器人学 · 计算机科学 2025-10-17 Matti Pekkanen , Francesco Verdoja , Ville Kyrki

The search of information in large text repositories has been plagued by the so-called document-query vocabulary gap, i.e. the semantic discordance between the contents in the stored document entities on the one hand and the human query on…

信息检索 · 计算机科学 2020-04-22 Bhawani Selvaretnam , Mohammed Belkhatir

Answering complex logical queries on incomplete knowledge graphs (KGs) with missing edges is a fundamental and important task for knowledge graph reasoning. The query embedding method is proposed to answer these queries by jointly encoding…

计算与语言 · 计算机科学 2022-04-28 Jiaxin Bai , Zihao Wang , Hongming Zhang , Yangqiu Song

This paper summarizes our work on the first track of the ninth Dialog System Technology Challenge (DSTC 9), "Beyond Domain APIs: Task-oriented Conversational Modeling with Unstructured Knowledge Access". The goal of the task is to generate…

计算与语言 · 计算机科学 2021-02-10 David Thulke , Nico Daheim , Christian Dugast , Hermann Ney

Retrieval-augmented generation (RAG) systems expose numerous design choices spanning query rewriting, chunking, retrieval depth, reranking, and context compression. In practice, these choices are often configured through heuristics,…

人工智能 · 计算机科学 2026-05-29 Zhen Chen , Yibing Liu , Weihao Xie , Yu Liang , Peilin Chen , Shiqi Wang
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