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This paper proposes a Video Graph Transformer (VGT) model for Video Quetion Answering (VideoQA). VGT's uniqueness are two-fold: 1) it designs a dynamic graph transformer module which encodes video by explicitly capturing the visual objects,…

Computer Vision and Pattern Recognition · Computer Science 2022-07-22 Junbin Xiao , Pan Zhou , Tat-Seng Chua , Shuicheng Yan

VQA is an ambitious task aiming to answer any image-related question. However, in reality, it is hard to build such a system once for all since the needs of users are continuously updated, and the system has to implement new functions.…

Computer Vision and Pattern Recognition · Computer Science 2022-08-31 Stan Weixian Lei , Difei Gao , Jay Zhangjie Wu , Yuxuan Wang , Wei Liu , Mengmi Zhang , Mike Zheng Shou

Generative models for source code are an interesting structured prediction problem, requiring to reason about both hard syntactic and semantic constraints as well as about natural, likely programs. We present a novel model for this problem…

Machine Learning · Computer Science 2019-04-18 Marc Brockschmidt , Miltiadis Allamanis , Alexander L. Gaunt , Oleksandr Polozov

Visual Question Answering (VQA) has attracted a lot of attention in both Computer Vision and Natural Language Processing communities, not least because it offers insight into the relationships between two important sources of information.…

Computer Vision and Pattern Recognition · Computer Science 2017-08-09 Peng Wang , Qi Wu , Chunhua Shen , Anton van den Hengel , Anthony Dick

Question answering over knowledge graphs (KGQA) has evolved from simple single-fact questions to complex questions that require graph traversal and aggregation. We propose a novel approach for complex KGQA that uses unsupervised message…

Computation and Language · Computer Science 2019-08-20 Svitlana Vakulenko , Javier David Fernandez Garcia , Axel Polleres , Maarten de Rijke , Michael Cochez

Existing benchmarks for visual question answering lack in visual grounding and complexity, particularly in evaluating spatial reasoning skills. We introduce FlowVQA, a novel benchmark aimed at assessing the capabilities of visual…

Computation and Language · Computer Science 2024-07-01 Shubhankar Singh , Purvi Chaurasia , Yerram Varun , Pranshu Pandya , Vatsal Gupta , Vivek Gupta , Dan Roth

In this paper, we propose a novel multi-modal framework for Scene Text Visual Question Answering (STVQA), which requires models to read scene text in images for question answering. Apart from text or visual objects, which could exist…

Computer Vision and Pattern Recognition · Computer Science 2023-04-05 Yongxin Zhu , Zhen Liu , Yukang Liang , Xin Li , Hao Liu , Changcun Bao , Linli Xu

In conversational question answering, users express their information needs through a series of utterances with incomplete context. Typical ConvQA methods rely on a single source (a knowledge base (KB), or a text corpus, or a set of…

Information Retrieval · Computer Science 2023-07-19 Philipp Christmann , Rishiraj Saha Roy , Gerhard Weikum

Hypergraph representations are both more efficient and better suited to describe data characterized by relations between two or more objects. In this work, we present a new graph neural network based on message passing capable of processing…

Machine Learning · Computer Science 2022-09-19 Sajjad Heydari , Lorenzo Livi

To understand a scene in depth not only involves locating/recognizing individual objects, but also requires to infer the relationships and interactions among them. However, since the distribution of real-world relationships is seriously…

Computer Vision and Pattern Recognition · Computer Science 2019-03-11 Tianshui Chen , Weihao Yu , Riquan Chen , Liang Lin

Generative models of graphs are well-known, but many existing models are limited in scalability and expressivity. We present a novel sequential graphical variational autoencoder operating directly on graphical representations of data. In…

Machine Learning · Computer Science 2019-12-18 Bowen Jing , Ethan A. Chi , Jillian Tang

Graphs are an essential data structure utilized to represent relationships in real-world scenarios. Prior research has established that Graph Neural Networks (GNNs) deliver impressive outcomes in graph-centric tasks, such as link prediction…

Machine Learning · Computer Science 2024-09-12 Xubin Ren , Jiabin Tang , Dawei Yin , Nitesh Chawla , Chao Huang

The celebrated Seq2Seq technique and its numerous variants achieve excellent performance on many tasks such as neural machine translation, semantic parsing, and math word problem solving. However, these models either only consider input…

Computation and Language · Computer Science 2020-10-07 Shucheng Li , Lingfei Wu , Shiwei Feng , Fangli Xu , Fengyuan Xu , Sheng Zhong

Network data can be conveniently modeled as a graph signal, where data values are assigned to nodes of a graph that describes the underlying network topology. Successful learning from network data is built upon methods that effectively…

Machine Learning · Computer Science 2021-05-26 Fernando Gama , Elvin Isufi , Geert Leus , Alejandro Ribeiro

Multi-modal tasks involving vision and language in deep learning continue to rise in popularity and are leading to the development of newer models that can generalize beyond the extent of their training data. The current models lack…

Computer Vision and Pattern Recognition · Computer Science 2023-07-21 Ethan Shen , Scotty Singh , Bhavesh Kumar

Text-VQA aims at answering questions that require understanding the textual cues in an image. Despite the great progress of existing Text-VQA methods, their performance suffers from insufficient human-labeled question-answer (QA) pairs.…

Computer Vision and Pattern Recognition · Computer Science 2022-10-11 Jun Wang , Mingfei Gao , Yuqian Hu , Ramprasaath R. Selvaraju , Chetan Ramaiah , Ran Xu , Joseph F. JaJa , Larry S. Davis

Graphs are fundamental data structures which concisely capture the relational structure in many important real-world domains, such as knowledge graphs, physical and social interactions, language, and chemistry. Here we introduce a powerful…

Machine Learning · Computer Science 2018-03-12 Yujia Li , Oriol Vinyals , Chris Dyer , Razvan Pascanu , Peter Battaglia

A fundamental question in natural language processing is - what kind of language structure and semantics is the language model capturing? Graph formats such as knowledge graphs are easy to evaluate as they explicitly express language…

Computation and Language · Computer Science 2023-05-10 Kaushik Roy , Tarun Garg , Vedant Palit , Yuxin Zi , Vignesh Narayanan , Amit Sheth

Visual dialog, which aims to hold a meaningful conversation with humans about a given image, is a challenging task that requires models to reason the complex dependencies among visual content, dialog history, and current questions. Graph…

Computation and Language · Computer Science 2022-06-02 Feilong Chen , Xiuyi Chen , Fandong Meng , Peng Li , Jie Zhou

In order to achieve a general visual question answering (VQA) system, it is essential to learn to answer deeper questions that require compositional reasoning on the image and external knowledge. Meanwhile, the reasoning process should be…

Computer Vision and Pattern Recognition · Computer Science 2022-06-28 Zihao Zhu