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We present \textbf{SymbioticRAG}, a novel framework that fundamentally reimagines Retrieval-Augmented Generation~(RAG) systems by establishing a bidirectional learning relationship between humans and machines. Our approach addresses two…

Information Retrieval · Computer Science 2025-05-06 Qiang Sun , Tingting Bi , Sirui Li , Eun-Jung Holden , Paul Duuring , Kai Niu , Wei Liu

Recent advances in retrieval-augmented generation (RAG) furnish large language models (LLMs) with iterative retrievals of relevant information to handle complex multi-hop questions. These methods typically alternate between LLM reasoning…

Computation and Language · Computer Science 2025-05-27 Rui Li , Quanyu Dai , Zeyu Zhang , Xu Chen , Zhenhua Dong , Ji-Rong Wen

Retrieval-augmented Generation (RAG) relies on effective retrieval capabilities, yet traditional sparse and dense retrievers inherently struggle with multi-hop retrieval scenarios. In this paper, we introduce GeAR, a system that advances…

Retrieval-augmented generation (RAG) typically relies on a flat retrieval paradigm that maps queries directly to static, isolated text segments. This approach struggles with more complex tasks that require the conditional retrieval and…

Computation and Language · Computer Science 2026-05-19 Jihao Dai , Dingjun Wu , Yuxuan Chen , Zheni Zeng , Yukun Yan , Zhenghao Liu , Maosong Sun

Retrieval-augmented generation (RAG) can supplement large language models (LLMs) by integrating external knowledge. However, as the number of retrieved documents increases, the input length to LLMs grows linearly, causing a dramatic…

Computation and Language · Computer Science 2025-02-18 Yuankai Li , Jia-Chen Gu , Di Wu , Kai-Wei Chang , Nanyun Peng

Considering the limited internal parametric knowledge, retrieval-augmented generation (RAG) has been widely used to extend the knowledge scope of large language models (LLMs). Despite the extensive efforts on RAG research, in existing…

Computation and Language · Computer Science 2024-11-22 Yuhao Wang , Ruiyang Ren , Junyi Li , Wayne Xin Zhao , Jing Liu , Ji-Rong Wen

Engineering rulebooks and technical standards contain multimodal information like dense text, tables, and illustrations that are challenging for retrieval augmented generation (RAG) systems. Building upon the DesignQA framework [1], which…

Information Retrieval · Computer Science 2026-05-28 Kiarash Naghavi Khanghah , Hoang Anh Nguyen , Anna C. Doris , Amir Mohammad Vahedi , Daniele Grandi , Faez Ahmed , Hongyi Xu

Scientific retrieval is essential for advancing scientific knowledge discovery. Within this process, document reranking plays a critical role in refining first-stage retrieval results. However, standard LLM listwise reranking faces…

Information Retrieval · Computer Science 2025-08-19 Runchu Tian , Xueqiang Xu , Bowen Jin , SeongKu Kang , Jiawei Han

Graph-based retrieval-augmented generation (GraphRAG) exploits structured knowledge to support knowledge-intensive reasoning. However, most existing methods treat graphs as intermediate artifacts, and the few subgraph-based retrieval…

Information Retrieval · Computer Science 2026-03-10 Haonan Yuan , Qingyun Sun , Junhua Shi , Mingjun Liu , Jiaqi Yuan , Ziwei Zhang , Xingcheng Fu , Jianxin Li

Multimodal Retrieval-Augmented Generation (MRAG) is widely adopted for Multimodal Large Language Models (MLLMs) with external evidence to reduce hallucinations. Despite its success, most existing MRAG frameworks treat retrieved evidence as…

Information Retrieval · Computer Science 2026-05-01 Xihang Wang , Zihan Wang , Chengkai Huang , Cao Liu , Ke Zeng , Quan Z. Sheng , Lina Yao

Large reasoning models such as DeepSeek-R1 and OpenAI o1 generate extended chains of thought spanning thousands of tokens, yet their integration with retrieval-augmented generation (RAG) remains fundamentally misaligned. Current RAG systems…

Information Retrieval · Computer Science 2026-04-30 Dongxin Guo , Jikun Wu , Siu Ming Yiu

Reducing hallucination of Large Language Models (LLMs) is imperative for use in the sciences, where reliability and reproducibility are crucial. However, LLMs inherently lack long-term memory, making it a nontrivial, ad hoc, and inevitably…

Computation and Language · Computer Science 2024-10-11 Yuan Chiang , Elvis Hsieh , Chia-Hong Chou , Janosh Riebesell

Multimodal vector search offers a new paradigm for information retrieval by exposing numerous pieces of functionality which are not possible in traditional lexical search engines. While multimodal vector search can be treated as a drop in…

Information Retrieval · Computer Science 2024-09-19 Owen Pendrigh Elliott , Tom Hamer , Jesse Clark

Automated content-aware layout generation -- the task of arranging visual elements such as text, logos, and underlays on a background canvas -- remains a fundamental yet under-explored problem in intelligent design systems. While recent…

Information Retrieval · Computer Science 2025-06-30 Najmeh Forouzandehmehr , Reza Yousefi Maragheh , Sriram Kollipara , Kai Zhao , Topojoy Biswas , Evren Korpeoglu , Kannan Achan

Multi-hop reasoning (i.e., reasoning across two or more documents) is a key ingredient for NLP models that leverage large corpora to exhibit broad knowledge. To retrieve evidence passages, multi-hop models must contend with a fast-growing…

Computation and Language · Computer Science 2022-07-12 Omar Khattab , Christopher Potts , Matei Zaharia

Multimodal deep search agents have shown great potential in solving complex tasks by iteratively collecting textual and visual evidence. However, managing the heterogeneous information and high token costs associated with multimodal inputs…

Computer Vision and Pattern Recognition · Computer Science 2026-04-28 Yifan Du , Zikang Liu , Jinbiao Peng , Jie Wu , Junyi Li , Jinyang Li , Wayne Xin Zhao , Ji-Rong Wen

Graph-based Retrieval-Augmented Generation (GraphRAG) enhances LLMs by structuring corpus into graphs to facilitate multi-hop reasoning. While recent lightweight approaches reduce indexing costs by leveraging Named Entity Recognition (NER),…

Artificial Intelligence · Computer Science 2026-04-22 Yifan Song , Xingjian Tao , Zhicheng Yang , Yihong Luo , Jing Tang

Retrieval-Augmented Generation (RAG) has emerged as a fundamental paradigm for expanding Large Language Models beyond their static training limitations. However, a critical misalignment exists between current RAG capabilities and real-world…

Artificial Intelligence · Computer Science 2025-10-15 Zirui Guo , Xubin Ren , Lingrui Xu , Jiahao Zhang , Chao Huang

We present a new benchmark for evaluating Deep Search--a realistic and complex form of retrieval-augmented generation (RAG) that requires source-aware, multi-hop reasoning over diverse, sparsed, but related sources. These include documents,…

Computation and Language · Computer Science 2025-07-01 Prafulla Kumar Choubey , Xiangyu Peng , Shilpa Bhagavath , Kung-Hsiang Huang , Caiming Xiong , Chien-Sheng Wu

Multi-hop question answering requires aggregating information from multiple documents, a critical capability for knowledge-intensive applications. A fundamental challenge lies in efficiently identifying the minimal relevant document set…

Information Retrieval · Computer Science 2026-05-20 Litong Zhang , Jiaxin Li , Kuo Zhao