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Related papers: Weakly Supervised Pre-Training for Multi-Hop Retri…

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Recent work on training neural retrievers for open-domain question answering (OpenQA) has employed both supervised and unsupervised approaches. However, it remains unclear how unsupervised and supervised methods can be used most effectively…

Computation and Language · Computer Science 2021-06-03 Devendra Singh Sachan , Mostofa Patwary , Mohammad Shoeybi , Neel Kant , Wei Ping , William L Hamilton , Bryan Catanzaro

In response to the increasing use of interactive artificial intelligence, the demand for the capacity to handle complex questions has increased. Multi-hop question generation aims to generate complex questions that requires multi-step…

Computation and Language · Computer Science 2024-04-02 Seonjeong Hwang , Yunsu Kim , Gary Geunbae Lee

As machine learning models continue to increase in complexity, collecting large hand-labeled training sets has become one of the biggest roadblocks in practice. Instead, weaker forms of supervision that provide noisier but cheaper labels…

Machine Learning · Statistics 2018-12-10 Alexander Ratner , Braden Hancock , Jared Dunnmon , Frederic Sala , Shreyash Pandey , Christopher Ré

Multi-hop question answering (QA) necessitates multi-step reasoning and retrieval across interconnected subjects, attributes, and relations. Existing retrieval-augmented generation (RAG) methods struggle to capture these structural…

Computation and Language · Computer Science 2026-02-19 Jimeng Shi , Wei Hu , Runchu Tian , Bowen Jin , Wonbin Kweon , SeongKu Kang , Yunfan Kang , Dingqi Ye , Sizhe Zhou , Shaowen Wang , Jiawei Han

Human performance capture is a highly important computer vision problem with many applications in movie production and virtual/augmented reality. Many previous performance capture approaches either required expensive multi-view setups or…

Computer Vision and Pattern Recognition · Computer Science 2020-03-19 Marc Habermann , Weipeng Xu , Michael Zollhoefer , Gerard Pons-Moll , Christian Theobalt

Growing interest in conversational agents promote twoway human-computer communications involving asking and answering visual questions have become an active area of research in AI. Thus, generation of visual questionanswer pair(s) becomes…

Computer Vision and Pattern Recognition · Computer Science 2023-09-12 Charani Alampalle , Shamanthak Hegde , Soumya Jahagirdar , Shankar Gangisetty

Recent years have seen rapid development in Information Extraction, as well as its subtask, Relation Extraction. Relation Extraction is able to detect semantic relations between entities in sentences. Currently, many efficient approaches…

Computation and Language · Computer Science 2024-03-19 Zhuang Li

Multi-Hop Question Answering (MHQA) is crucial for evaluating the model's capability to integrate information from diverse sources. However, creating extensive and high-quality MHQA datasets is challenging: (i) manual annotation is…

Computation and Language · Computer Science 2026-04-21 Zhiyu Shen , Jiyuan Liu , Yunhe Pang , Yanghui Rao , Fu Lee Wang , Jianxing Yu

Solving math word problems (MWPs) is an important and challenging problem in natural language processing. Existing approaches to solve MWPs require full supervision in the form of intermediate equations. However, labeling every MWP with its…

Computation and Language · Computer Science 2023-06-16 Oishik Chatterjee , Isha Pandey , Aashish Waikar , Vishwajeet Kumar , Ganesh Ramakrishnan

Multi-hop question answering (QA) requires reasoning over multiple documents to answer a complex question and provide interpretable supporting evidence. However, providing supporting evidence is not enough to demonstrate that a model has…

Computation and Language · Computer Science 2022-09-16 Zhenyun Deng , Yonghua Zhu , Yang Chen , Qianqian Qi , Michael Witbrock , Patricia Riddle

We present a Multi-Modal Recipe for Advancing Adaptation-based Pre-training towards effective and efficient zero-shot video-text retrieval, dubbed M2-RAAP. Upon popular image-text models like CLIP, most current adaptation-based video-text…

Computer Vision and Pattern Recognition · Computer Science 2024-02-01 Xingning Dong , Zipeng Feng , Chunluan Zhou , Xuzheng Yu , Ming Yang , Qingpei Guo

Multi-hop QA requires the machine to answer complex questions through finding multiple clues and reasoning, and provide explanatory evidence to demonstrate the machine reasoning process. We propose Relation Extractor-Reader and Comparator…

Computation and Language · Computer Science 2021-10-27 Ruiliu Fu , Han Wang , Xuejun Zhang , Jun Zhou , Yonghong Yan

Weak supervision is a popular method for building machine learning models without relying on ground truth annotations. Instead, it generates probabilistic training labels by estimating the accuracies of multiple noisy labeling sources…

Machine Learning · Statistics 2020-07-16 Daniel Y. Fu , Mayee F. Chen , Frederic Sala , Sarah M. Hooper , Kayvon Fatahalian , Christopher Ré

Multi-hop question answering (QA) requires an information retrieval (IR) system that can find \emph{multiple} supporting evidence needed to answer the question, making the retrieval process very challenging. This paper introduces an IR…

Computation and Language · Computer Science 2019-09-18 Ameya Godbole , Dilip Kavarthapu , Rajarshi Das , Zhiyu Gong , Abhishek Singhal , Hamed Zamani , Mo Yu , Tian Gao , Xiaoxiao Guo , Manzil Zaheer , Andrew McCallum

Multimodal multihop question answering (MMQA) requires reasoning over images and text from multiple sources. Despite advances in visual question answering, this multihop setting remains underexplored due to a lack of quality datasets.…

Computation and Language · Computer Science 2025-09-16 Amirhossein Abaskohi , Spandana Gella , Giuseppe Carenini , Issam H. Laradji

Retrieval-augmented generation (RAG) methods encounter difficulties when addressing complex questions like multi-hop queries. While iterative retrieval methods improve performance by gathering additional information, current approaches…

Computation and Language · Computer Science 2024-09-27 Ziyuan Zhuang , Zhiyang Zhang , Sitao Cheng , Fangkai Yang , Jia Liu , Shujian Huang , Qingwei Lin , Saravan Rajmohan , Dongmei Zhang , Qi Zhang

Building Automatic Speech Recognition (ASR) systems from scratch is significantly challenging, mostly due to the time-consuming and financially-expensive process of annotating a large amount of audio data with transcripts. Although several…

Audio and Speech Processing · Electrical Eng. & Systems 2020-09-22 Mengli Cheng , Chengyu Wang , Xu Hu , Jun Huang , Xiaobo Wang

Recent works on knowledge base question answering (KBQA) retrieve subgraphs for easier reasoning. A desired subgraph is crucial as a small one may exclude the answer but a large one might introduce more noises. However, the existing…

Computation and Language · Computer Science 2022-07-28 Jing Zhang , Xiaokang Zhang , Jifan Yu , Jian Tang , Jie Tang , Cuiping Li , Hong Chen

Text classification tends to be difficult when data are deficient or when it is required to adapt to unseen classes. In such challenging scenarios, recent studies have often used meta-learning to simulate the few-shot task, thus negating…

Information Retrieval · Computer Science 2019-11-22 Shumin Deng , Ningyu Zhang , Zhanlin Sun , Jiaoyan Chen , Huajun Chen

Existing approaches for open-domain question answering (QA) are typically designed for questions that require either single-hop or multi-hop reasoning, which make strong assumptions of the complexity of questions to be answered. Also,…

Computation and Language · Computer Science 2021-05-25 Ping Nie , Yuyu Zhang , Arun Ramamurthy , Le Song