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Related papers: Retrieval--Reasoning Processes for Multi-hop Quest…

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Answering multi-hop questions over hybrid factual knowledge from the given text and table (TextTableQA) is a challenging task. Existing models mainly adopt a retriever-reader framework, which have several deficiencies, such as noisy…

Computation and Language · Computer Science 2024-06-26 Fangyu Lei , Xiang Li , Yifan Wei , Shizhu He , Yiming Huang , Jun Zhao , Kang Liu

We propose the new problem of learning to recover reasoning chains from weakly supervised signals, i.e., the question-answer pairs. We propose a cooperative game approach to deal with this problem, in which how the evidence passages are…

Computation and Language · Computer Science 2020-04-07 Yufei Feng , Mo Yu , Wenhan Xiong , Xiaoxiao Guo , Junjie Huang , Shiyu Chang , Murray Campbell , Michael Greenspan , Xiaodan Zhu

With the rapid advancement of agent-based methods in recent years, Agentic RAG has undoubtedly become an important research direction. Multi-hop reasoning, which requires models to engage in deliberate thinking and multi-step interaction,…

Computation and Language · Computer Science 2026-02-24 Qijie You , Wenkai Yu , Wentao Zhang

RAG (Retrieval-Augmented Generation) systems and web agents are increasingly evaluated on multi-hop deep search tasks, yet current practice suffers from two major limitations. First, most benchmarks leak the reasoning path in the question…

Computation and Language · Computer Science 2025-12-11 Maojia Song , Renhang Liu , Xinyu Wang , Yong Jiang , Pengjun Xie , Fei Huang , Jingren Zhou , Dorien Herremans , Soujanya Poria

A key component of fact verification is thevevidence retrieval, often from multiple documents. Recent approaches use dense representations and condition the retrieval of each document on the previously retrieved ones. The latter step is…

Computation and Language · Computer Science 2022-12-13 Rami Aly , Andreas Vlachos

Information retrieval and question answering from safety regulations are essential for automated construction compliance checking but are hindered by the linguistic and structural complexity of regulatory text. Many queries are multi-hop,…

Artificial Intelligence · Computer Science 2026-05-13 Yuxin Zhang , Xi Wang , Mo Hu , Zhenyu Zhang

Multi-hop question answering is a challenging task in which language models must reason over multiple steps to reach the correct answer. With the help of Large Language Models and their reasoning capabilities, existing systems are able to…

Machine Learning · Computer Science 2025-12-08 Durga Prasad Maram , Kalpa Gunaratna , Vijay Srinivasan , Haris Jeelani , Srinivas Chappidi

Iterative retrieval-augmented generation (RAG) enables large language models to answer complex multi-hop questions, but each additional loop increases latency, costs, and the risk of introducing distracting evidence, motivating the need for…

Machine Learning · Computer Science 2025-10-17 Jaewan Park , Solbee Cho , Jay-Yoon Lee

We introduce a novel large language model (LLM)-driven agent framework, which iteratively refines queries and filters contextual evidence by leveraging dynamically evolving knowledge. A defining feature of the system is its decoupling of…

Artificial Intelligence · Computer Science 2025-04-02 Seyoung Song

When answering complex questions, people can seamlessly combine information from visual, textual and tabular sources. While interest in models that reason over multiple pieces of evidence has surged in recent years, there has been…

Computation and Language · Computer Science 2021-04-14 Alon Talmor , Ori Yoran , Amnon Catav , Dan Lahav , Yizhong Wang , Akari Asai , Gabriel Ilharco , Hannaneh Hajishirzi , Jonathan Berant

Performance evaluation of Retrieval-Augmented Generation (RAG) systems within enterprise environments is governed by multi-dimensional and composite factors extending far beyond simple final accuracy checks. These factors include reasoning…

Computation and Language · Computer Science 2026-04-06 Kenichirou Narita , Siqi Peng , Taku Fukui , Moyuru Yamada , Satoshi Munakata , Satoru Takahashi

Retrieval Augmented Generation (RAG) has shown strong capability in enhancing language models' knowledge and reducing AI generative hallucinations, driving its widespread use. However, complex tasks requiring multi-round retrieval remain…

Artificial Intelligence · Computer Science 2025-10-28 Diji Yang , Linda Zeng , Jinmeng Rao , Yi Zhang

Real-world multi-hop QA is naturally linked with ambiguity, where a single query can trigger multiple reasoning paths that require independent resolution. Since ambiguity can occur at any stage, models must navigate layered uncertainty…

Computation and Language · Computer Science 2026-04-16 Jeonghyun Park , Ingeol Baek , Seunghyun Yoon , Haeun Jang , Aparna Garimella , Akriti Jain , Nedim Lipka , Hwanhee Lee

Multi-hop reasoning (MHR) is a process in artificial intelligence and natural language processing where a system needs to make multiple inferential steps to arrive at a conclusion or answer. In the context of knowledge graphs or databases,…

Artificial Intelligence · Computer Science 2024-06-13 Jesmin Jahan Tithi , Fabio Checconi , Fabrizio Petrini

Learning multi-hop reasoning has been a key challenge for reading comprehension models, leading to the design of datasets that explicitly focus on it. Ideally, a model should not be able to perform well on a multi-hop question answering…

Computation and Language · Computer Science 2019-04-30 Jifan Chen , Greg Durrett

Effective knowledge management is critical for preserving institutional expertise and improving the efficiency of workforce training in state transportation agencies. Traditional approaches, such as static documentation, classroom-based…

Computation and Language · Computer Science 2026-03-05 Divija Amaram , Lu Gao , Gowtham Reddy Gudla , Tejaswini Sanjay Katale

Retrieval-Augmented Generation (RAG) has become a robust framework for enhancing Large Language Models (LLMs) with external knowledge. Recent advances in RAG have investigated graph based retrieval for intricate reasoning; however, the…

Computer Vision and Pattern Recognition · Computer Science 2025-11-04 Tejas Sarnaik , Manan Shah , Ravi Hegde

The ability to perform multi-modal multi-hop reasoning by iteratively integrating information across various modalities and external knowledge is critical for addressing complex real-world challenges. However, existing Multi-modal Large…

Computer Vision and Pattern Recognition · Computer Science 2025-12-17 Tao Zhang , Ziqi Zhang , Zongyang Ma , Yuxin Chen , Bing Li , Chunfeng Yuan , Guangting Wang , Fengyun Rao , Ying Shan , Weiming Hu

Knowledge graph (KG) is known to be helpful for the task of question answering (QA), since it provides well-structured relational information between entities, and allows one to further infer indirect facts. However, it is challenging to…

Machine Learning · Computer Science 2017-11-29 Yuyu Zhang , Hanjun Dai , Zornitsa Kozareva , Alexander J. Smola , Le Song

Personalization in Question Answering (QA) requires answers that are both accurate and aligned with users' background, preferences, and historical context. Existing state-of-the-art methods primarily rely on retrieval-augmented generation…

Computation and Language · Computer Science 2026-02-24 Maryam Amirizaniani , Alireza Salemi , Hamed Zamani