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Multi-hop question answering (MHQA) requires integrating knowledge scattered across multiple passages to derive the correct answer. Traditional retrieval-augmented generation (RAG) methods primarily focus on coarse-grained textual semantic…

Computation and Language · Computer Science 2025-08-18 Changjian Wang , Weihong Deng , Weili Guan , Quan Lu , Ning Jiang

Video question answering (VideoQA) is challenging given its multimodal combination of visual understanding and natural language processing. While most existing approaches ignore the visual appearance-motion information at different temporal…

Computer Vision and Pattern Recognition · Computer Science 2022-05-10 Min Peng , Chongyang Wang , Yuan Gao , Yu Shi , Xiang-Dong Zhou

Machine Reading Comprehension (MRC) for question answering (QA), which aims to answer a question given the relevant context passages, is an important way to test the ability of intelligence systems to understand human language.…

Computation and Language · Computer Science 2019-11-20 Di Jin , Shuyang Gao , Jiun-Yu Kao , Tagyoung Chung , Dilek Hakkani-tur

Multi-hop question generation (MQG) aims to generate complex questions which require reasoning over multiple pieces of information of the input passage. Most existing work on MQG has focused on exploring graph-based networks to equip the…

Computation and Language · Computer Science 2022-02-15 Dan Su , Peng Xu , Pascale Fung

Knowledge Graph Question Answering (KGQA) aims to improve factual accuracy by leveraging structured knowledge. However, real-world Knowledge Graphs (KGs) are often incomplete, leading to the problem of Incomplete KGQA (IKGQA). A common…

Artificial Intelligence · Computer Science 2025-12-08 Jilong Liu , Pengyang Shao , Wei Qin , Fei Liu , Yonghui Yang , Richang Hong

Multi-hop reasoning for question answering (QA) plays a critical role in retrieval-augmented generation (RAG) for modern large language models (LLMs). The accurate answer can be obtained through retrieving relational structure of entities…

Artificial Intelligence · Computer Science 2025-10-21 Changhao Wang , Yanfang Liu , Xinxin Fan , Anzhi Zhou , Lao Tian , Yunfeng Lu

The ideal form of Visual Question Answering requires understanding, grounding and reasoning in the joint space of vision and language and serves as a proxy for the AI task of scene understanding. However, most existing VQA benchmarks are…

Computer Vision and Pattern Recognition · Computer Science 2023-03-07 Kang Chen , Xiangqian Wu

Question answering over knowledge bases is considered a difficult problem due to the challenge of generalizing to a wide variety of possible natural language questions. Additionally, the heterogeneity of knowledge base schema items between…

Computation and Language · Computer Science 2023-05-05 Tianle Li , Xueguang Ma , Alex Zhuang , Yu Gu , Yu Su , Wenhu Chen

Multi-hop question answering requires a model to connect multiple pieces of evidence scattered in a long context to answer the question. In this paper, we show that in the multi-hop HotpotQA (Yang et al., 2018) dataset, the examples often…

Computation and Language · Computer Science 2019-06-18 Yichen Jiang , Mohit Bansal

We present a new pre-training method, Multimodal Inverse Cloze Task, for Knowledge-based Visual Question Answering about named Entities (KVQAE). KVQAE is a recently introduced task that consists in answering questions about named entities…

Computation and Language · Computer Science 2023-01-12 Paul Lerner , Olivier Ferret , Camille Guinaudeau

Knowledge Graph Question Answering (KGQA) simplifies querying vast amounts of knowledge stored in a graph-based model using natural language. However, the research has largely concentrated on English, putting non-English speakers at a…

Computation and Language · Computer Science 2024-07-09 Nikit Srivastava , Mengshi Ma , Daniel Vollmers , Hamada Zahera , Diego Moussallem , Axel-Cyrille Ngonga Ngomo

Large Language Models (LLMs) often produce incorrect answers on multi-hop question answering even when the reasoning trace already contains a correct intermediate conclusion. We attribute this gap to weak self-regulation rather than…

Artificial Intelligence · Computer Science 2026-05-12 Ik-hwan Kim , Hyeongrok Han , Mingi Jung , Sangwon Yu , Jinseok Hong , Sang Hun Kim , Yoonyoung Choi , Sungroh Yoon

Existing question answering (QA) datasets fail to train QA systems to perform complex reasoning and provide explanations for answers. We introduce HotpotQA, a new dataset with 113k Wikipedia-based question-answer pairs with four key…

Computation and Language · Computer Science 2018-09-26 Zhilin Yang , Peng Qi , Saizheng Zhang , Yoshua Bengio , William W. Cohen , Ruslan Salakhutdinov , Christopher D. Manning

An essential requirement for a real-world Knowledge Base Question Answering (KBQA) system is the ability to detect the answerability of questions when generating logical forms. However, state-of-the-art KBQA models assume all questions to…

Computation and Language · Computer Science 2024-11-05 Prayushi Faldu , Indrajit Bhattacharya , Mausam

The generalization problem on KBQA has drawn considerable attention. Existing research suffers from the generalization issue brought by the entanglement in the coarse-grained modeling of the logical expression, or inexecutability issues due…

Artificial Intelligence · Computer Science 2023-06-27 Lingxi Zhang , Jing Zhang , Yanling Wang , Shulin Cao , Xinmei Huang , Cuiping Li , Hong Chen , Juanzi Li

Reading Comprehension has received significant attention in recent years as high quality Question Answering (QA) datasets have become available. Despite state-of-the-art methods achieving strong overall accuracy, Multi-Hop (MH) reasoning…

Computation and Language · Computer Science 2019-05-24 Alex Long , Joel Mason , Alan Blair , Wei Wang

Multi-hop question answering (MHQA) poses a significant challenge for large language models (LLMs) due to the extensive knowledge demands involved. Knowledge editing, which aims to precisely modify the LLMs to incorporate specific knowledge…

Computation and Language · Computer Science 2024-12-30 Yifan Lu , Yigeng Zhou , Jing Li , Yequan Wang , Xuebo Liu , Daojing He , Fangming Liu , Min Zhang

With the rise of large-scale language models (LLMs), it is currently popular and effective to convert multimodal information into text descriptions for multimodal multi-hop question answering. However, we argue that the current methods of…

Computation and Language · Computer Science 2024-12-11 Qing Zhang , Haocheng Lv , Jie Liu , Zhiyun Chen , Jianyong Duan , Hao Wang , Li He , Mingying Xv

We present a new multimodal question answering challenge, ManyModalQA, in which an agent must answer a question by considering three distinct modalities: text, images, and tables. We collect our data by scraping Wikipedia and then utilize…

Computation and Language · Computer Science 2020-01-23 Darryl Hannan , Akshay Jain , Mohit Bansal

To explain the predicted answers and evaluate the reasoning abilities of models, several studies have utilized underlying reasoning (UR) tasks in multi-hop question answering (QA) datasets. However, it remains an open question as to how…

Computation and Language · Computer Science 2023-02-14 Xanh Ho , Anh-Khoa Duong Nguyen , Saku Sugawara , Akiko Aizawa