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Fake information poses one of the major threats for society in the 21st century. Identifying misinformation has become a key challenge due to the amount of fake news that is published daily. Yet, no approach is established that addresses…

Information Retrieval · Computer Science 2021-03-30 Vishwani Gupta , Katharina Beckh , Sven Giesselbach , Dennis Wegener , Tim Wirtz

This paper studies the bias problem of multi-hop question answering models, of answering correctly without correct reasoning. One way to robustify these models is by supervising to not only answer right, but also with right reasoning…

Computation and Language · Computer Science 2021-07-08 Kyungjae Lee , Seung-won Hwang , Sang-eun Han , Dohyeon Lee

Multimodal data modeling has emerged as a powerful approach in clinical research, enabling the integration of diverse data types such as imaging, genomics, wearable sensors, and electronic health records. Despite its potential to improve…

In Textual question answering (TQA) systems, complex questions often require retrieving multiple textual fact chains with multiple reasoning steps. While existing benchmarks are limited to single-chain or single-hop retrieval scenarios. In…

Computation and Language · Computer Science 2023-05-24 Minjun Zhu , Yixuan Weng , Shizhu He , Kang Liu , Jun Zhao

Automated fact-checking systems verify claims against evidence to predict their veracity. In real-world scenarios, the retrieved evidence may not unambiguously support or refute the claim and yield conflicting but valid interpretations.…

Computation and Language · Computer Science 2023-12-15 Max Glockner , Ieva Staliūnaitė , James Thorne , Gisela Vallejo , Andreas Vlachos , Iryna Gurevych

While Large Language Models (LLMs) excel in question-answering (QA) tasks, their real reasoning abilities on multiple evidence retrieval and integration on Multi-hop QA tasks remain less explored. Firstly, LLMs sometimes generate answers…

Computation and Language · Computer Science 2024-10-16 Jian Wu , Linyi Yang , Zhen Wang , Manabu Okumura , Yue Zhang

We employ a tool-interacting divide-and-conquer strategy enabling large language models (LLMs) to answer complex multimodal multi-hop questions. In particular, we harness the power of large language models to divide a given multimodal…

Computation and Language · Computer Science 2023-09-19 Hossein Rajabzadeh , Suyuchen Wang , Hyock Ju Kwon , Bang Liu

Fact verification plays a vital role in combating misinformation by assessing the veracity of claims through evidence retrieval and reasoning. However, traditional methods struggle with complex claims requiring multi-hop reasoning over…

Artificial Intelligence · Computer Science 2025-06-10 Liwen Zheng , Chaozhuo Li , Zheng Liu , Feiran Huang , Haoran Jia , Zaisheng Ye , Xi Zhang

Multi-hop question answering (QA) requires systems to iteratively retrieve evidence and reason across multiple hops. While recent RAG and agentic methods report strong results, the underlying retrieval--reasoning \emph{process} is often…

Computation and Language · Computer Science 2026-01-05 Yuelyu Ji , Zhuochun Li , Rui Meng , Daqing He

Learning multimodal representations involves integrating information from multiple heterogeneous sources of data. It is a challenging yet crucial area with numerous real-world applications in multimedia, affective computing, robotics,…

State-of-the-art approaches to reasoning and question answering over knowledge graphs (KGs) usually scale with the number of edges and can only be applied effectively on small instance-dependent subgraphs. In this paper, we address this…

Machine Learning · Computer Science 2021-10-28 Mattia Atzeni , Jasmina Bogojeska , Andreas Loukas

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

Interacting and understanding with text heavy visual content with multiple images is a major challenge for traditional vision models. This paper is on enhancing vision models' capability to comprehend or understand and learn from images…

Computer Vision and Pattern Recognition · Computer Science 2024-08-31 Adithya TG , Adithya SK , Abhinav R Bharadwaj , Abhiram HA , Surabhi Narayan

According to the Test-Time Scaling, the integration of External Slow-Thinking with the Verify mechanism has been demonstrated to enhance multi-round reasoning in large language models (LLMs). However, in the multimodal (MM) domain, there is…

Computation and Language · Computer Science 2025-02-20 Linzhuang Sun , Hao Liang , Jingxuan Wei , Bihui Yu , Tianpeng Li , Fan Yang , Zenan Zhou , Wentao Zhang

Multi-hop Question Generation (QG) aims to generate answer-related questions by aggregating and reasoning over multiple scattered evidence from different paragraphs. It is a more challenging yet under-explored task compared to conventional…

Computation and Language · Computer Science 2021-02-10 Dan Su , Yan Xu , Wenliang Dai , Ziwei Ji , Tiezheng Yu , Pascale Fung

The growing influence of video content as a medium for communication and misinformation underscores the urgent need for effective tools to analyze claims in multilingual and multi-topic settings. Existing efforts in misinformation detection…

Computation and Language · Computer Science 2025-10-13 Patrick Giedemann , Pius von Däniken , Jan Deriu , Alvaro Rodrigo , Anselmo Peñas , Mark Cieliebak

Multiple imputation is a straightforward method for handling missing data in a principled fashion. This paper presents an overview of multiple imputation, including important theoretical results and their practical implications for…

Methodology · Statistics 2018-01-15 Jared S. Murray

Multi-modal knowledge graphs (MKGs) include not only the relation triplets, but also related multi-modal auxiliary data (i.e., texts and images), which enhance the diversity of knowledge. However, the natural incompleteness has…

Artificial Intelligence · Computer Science 2022-09-07 Shangfei Zheng , Weiqing Wang , Jianfeng Qu , Hongzhi Yin , Wei Chen , Lei Zhao

Has there been real progress in multi-hop question-answering? Models often exploit dataset artifacts to produce correct answers, without connecting information across multiple supporting facts. This limits our ability to measure true…

Computation and Language · Computer Science 2020-11-18 Harsh Trivedi , Niranjan Balasubramanian , Tushar Khot , Ashish Sabharwal

Evidence retrieval is a core part of automatic fact-checking. Prior work makes simplifying assumptions in retrieval that depart from real-world use cases: either no access to evidence, access to evidence curated by a human fact-checker, or…

Computation and Language · Computer Science 2024-06-18 Jifan Chen , Grace Kim , Aniruddh Sriram , Greg Durrett , Eunsol Choi