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Related papers: ComQA:Compositional Question Answering via Hierarc…

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Visually-situated languages such as charts and plots are omnipresent in real-world documents. These graphical depictions are human-readable and are often analyzed in visually-rich documents to address a variety of questions that necessitate…

Artificial Intelligence · Computer Science 2023-10-31 Anran Wu , Luwei Xiao , Xingjiao Wu , Shuwen Yang , Junjie Xu , Zisong Zhuang , Nian Xie , Cheng Jin , Liang He

Complex question answering over knowledge base (Complex KBQA) is challenging because it requires various compositional reasoning capabilities, such as multi-hop inference, attribute comparison, set operation. Existing benchmarks have some…

Computation and Language · Computer Science 2022-06-24 Shulin Cao , Jiaxin Shi , Liangming Pan , Lunyiu Nie , Yutong Xiang , Lei Hou , Juanzi Li , Bin He , Hanwang Zhang

This paper proposes the problem of Deep Question Generation (DQG), which aims to generate complex questions that require reasoning over multiple pieces of information of the input passage. In order to capture the global structure of the…

Computation and Language · Computer Science 2020-04-28 Liangming Pan , Yuxi Xie , Yansong Feng , Tat-Seng Chua , Min-Yen Kan

This paper presents a novel approach based on semantic parsing to improve the performance of Knowledge Base Question Answering (KBQA). Specifically, we focus on how to select an optimal query graph from a candidate set so as to retrieve the…

Computation and Language · Computer Science 2022-04-28 Yonghui Jia , Wenliang Chen

In this paper, we present Hierarchical Graph Network (HGN) for multi-hop question answering. To aggregate clues from scattered texts across multiple paragraphs, a hierarchical graph is created by constructing nodes on different levels of…

Computation and Language · Computer Science 2020-10-07 Yuwei Fang , Siqi Sun , Zhe Gan , Rohit Pillai , Shuohang Wang , Jingjing Liu

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

Visual Question answering is a challenging problem requiring a combination of concepts from Computer Vision and Natural Language Processing. Most existing approaches use a two streams strategy, computing image and question features that are…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Will Norcliffe-Brown , Efstathios Vafeias , Sarah Parisot

This work deals with the challenge of learning and reasoning over multi-modal multi-hop question answering (QA). We propose a graph reasoning network based on the semantic structure of the sentences to learn multi-source reasoning paths and…

Computation and Language · Computer Science 2025-01-09 Navya Yarrabelly , Saloni Mittal

An important aspect of artificial intelligence (AI) is the ability to reason in a step-by-step "algorithmic" manner that can be inspected and verified for its correctness. This is especially important in the domain of question answering…

Artificial Intelligence · Computer Science 2021-11-08 Kwabena Nuamah

To bridge the gap between the capabilities of the state-of-the-art in factoid question answering (QA) and what users ask, we need large datasets of real user questions that capture the various question phenomena users are interested in, and…

Computation and Language · Computer Science 2019-04-11 Abdalghani Abujabal , Rishiraj Saha Roy , Mohamed Yahya , Gerhard Weikum

The abundant semi-structured data on the Web, such as HTML-based tables and lists, provide commercial search engines a rich information source for question answering (QA). Different from plain text passages in Web documents, Web tables and…

Computation and Language · Computer Science 2020-10-15 Xingyao Zhang , Linjun Shou , Jian Pei , Ming Gong , Lijie Wen , Daxin Jiang

Charts are very popular for analyzing data. When exploring charts, people often ask a variety of complex reasoning questions that involve several logical and arithmetic operations. They also commonly refer to visual features of a chart in…

Computation and Language · Computer Science 2022-03-22 Ahmed Masry , Do Xuan Long , Jia Qing Tan , Shafiq Joty , Enamul Hoque

Despite the advances in large language models (LLMs), how they use their knowledge for reasoning is not yet well understood. In this study, we propose a method that deconstructs complex real-world questions into a graph, representing each…

Computation and Language · Computer Science 2024-10-07 Miyoung Ko , Sue Hyun Park , Joonsuk Park , Minjoon Seo

Existing question answering datasets focus on dealing with homogeneous information, based either only on text or KB/Table information alone. However, as human knowledge is distributed over heterogeneous forms, using homogeneous information…

Computation and Language · Computer Science 2021-05-13 Wenhu Chen , Hanwen Zha , Zhiyu Chen , Wenhan Xiong , Hong Wang , William Wang

In this paper, we propose to employ the convolutional neural network (CNN) for the image question answering (QA). Our proposed CNN provides an end-to-end framework with convolutional architectures for learning not only the image and…

Computation and Language · Computer Science 2015-11-16 Lin Ma , Zhengdong Lu , Hang Li

In this paper, we present the mQA model, which is able to answer questions about the content of an image. The answer can be a sentence, a phrase or a single word. Our model contains four components: a Long Short-Term Memory (LSTM) to…

Computer Vision and Pattern Recognition · Computer Science 2015-11-04 Haoyuan Gao , Junhua Mao , Jie Zhou , Zhiheng Huang , Lei Wang , Wei Xu

We introduce GQA, a new dataset for real-world visual reasoning and compositional question answering, seeking to address key shortcomings of previous VQA datasets. We have developed a strong and robust question engine that leverages scene…

Computation and Language · Computer Science 2019-07-12 Drew A. Hudson , Christopher D. Manning

Conversational question answering (CQA) facilitates an incremental and interactive understanding of a given context, but building a CQA system is difficult for many domains due to the problem of data scarcity. In this paper, we introduce a…

Computation and Language · Computer Science 2022-10-25 Seonjeong Hwang , Yunsu Kim , Gary Geunbae Lee

Question Answering (QA) systems are becoming the inspiring model for the future of search engines. While recently, underlying datasets for QA systems have been promoted from unstructured datasets to structured datasets with highly…

Information Retrieval · Computer Science 2016-02-17 Saeedeh Shekarpour , Denis Lukovnikov , Ashwini Jaya Kumar , Kemele Endris , Kuldeep Singh , Harsh Thakkar , Christoph Lange

A longstanding question in cognitive science concerns the learning mechanisms underlying compositionality in human cognition. Humans can infer the structured relationships (e.g., grammatical rules) implicit in their sensory observations…

Machine Learning · Computer Science 2021-05-20 Jacob Russin , Roland Fernandez , Hamid Palangi , Eric Rosen , Nebojsa Jojic , Paul Smolensky , Jianfeng Gao