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Knowledge Base Question Answering (KBQA) systems have the goal of answering complex natural language questions by reasoning over relevant facts retrieved from Knowledge Bases (KB). One of the major challenges faced by these systems is their…

Incorporating external knowledge in large language models (LLMs) enhances their utility across diverse applications, but existing methods have trade-offs. Retrieval-Augmented Generation (RAG) fetches evidence via similarity search, but key…

计算与语言 · 计算机科学 2025-03-10 Giulio Corallo , Orion Weller , Fabio Petroni , Paolo Papotti

Visual Question Answering (VQA) research is split into two camps: the first focuses on VQA datasets that require natural image understanding and the second focuses on synthetic datasets that test reasoning. A good VQA algorithm should be…

计算机视觉与模式识别 · 计算机科学 2019-04-08 Robik Shrestha , Kushal Kafle , Christopher Kanan

A fundamental ability of humans is to utilize commonsense knowledge in language understanding and question answering. In recent years, many knowledge-enhanced Commonsense Question Answering (CQA) approaches have been proposed. However, it…

计算与语言 · 计算机科学 2021-01-06 Ning Bian , Xianpei Han , Bo Chen , Le Sun

Large language models (LLMs) sometimes demonstrate poor performance on knowledge-intensive tasks, commonsense reasoning is one of them. Researchers typically address these issues by retrieving related knowledge from knowledge graphs or…

计算与语言 · 计算机科学 2024-10-15 Jiachun Li , Pengfei Cao , Chenhao Wang , Zhuoran Jin , Yubo Chen , Kang Liu , Xiaojian Jiang , Jiexin Xu , Jun Zhao

In visual question answering (VQA), an algorithm must answer text-based questions about images. While multiple datasets for VQA have been created since late 2014, they all have flaws in both their content and the way algorithms are…

计算机视觉与模式识别 · 计算机科学 2017-09-15 Kushal Kafle , Christopher Kanan

Retrieval augmented language models have recently become the standard for knowledge intensive tasks. Rather than relying purely on latent semantics within the parameters of large neural models, these methods enlist a semi-parametric memory…

计算与语言 · 计算机科学 2023-01-24 Wenhu Chen , Pat Verga , Michiel de Jong , John Wieting , William Cohen

Visual question answering requires a system to provide an accurate natural language answer given an image and a natural language question. However, it is widely recognized that previous generic VQA methods often exhibit a tendency to…

计算机视觉与模式识别 · 计算机科学 2024-02-20 Jie Ma , Pinghui Wang , Dechen Kong , Zewei Wang , Jun Liu , Hongbin Pei , Junzhou Zhao

Visual Question Answering (VQA) is the task of taking as input an image and a free-form natural language question about the image, and producing an accurate answer. In this work we view VQA as a "feature extraction" module to extract image…

计算机视觉与模式识别 · 计算机科学 2016-09-02 Xiao Lin , Devi Parikh

Visual Question Answering (VQA) has attracted attention from both computer vision and natural language processing communities. Most existing approaches adopt the pipeline of representing an image via pre-trained CNNs, and then using the…

计算机视觉与模式识别 · 计算机科学 2018-01-30 Qing Li , Jianlong Fu , Dongfei Yu , Tao Mei , Jiebo Luo

Visual Question Answering (VQA) requires integration of feature maps with drastically different structures and focus of the correct regions. Image descriptors have structures at multiple spatial scales, while lexical inputs inherently…

计算机视觉与模式识别 · 计算机科学 2018-07-20 Yang Shi , Tommaso Furlanello , Sheng Zha , Animashree Anandkumar

3D Visual Question-Answering (3D VQA) is pivotal for models to perceive the physical world and perform spatial reasoning. Answer-centric supervision is a commonly used training method for 3D VQA models. Many models that utilize this…

计算机视觉与模式识别 · 计算机科学 2025-07-03 Shengli Zhou , Jianuo Zhu , Qilin Huang , Fangjing Wang , Yanfu Zhang , Feng Zheng

The problem of answering questions using knowledge from pre-trained language models (LMs) and knowledge graphs (KGs) presents two challenges: given a QA context (question and answer choice), methods need to (i) identify relevant knowledge…

计算与语言 · 计算机科学 2022-12-14 Michihiro Yasunaga , Hongyu Ren , Antoine Bosselut , Percy Liang , Jure Leskovec

Scaling Visual Question Answering (VQA) to the open-domain and multi-hop nature of web searches, requires fundamental advances in visual representation learning, knowledge aggregation, and language generation. In this work, we introduce…

计算与语言 · 计算机科学 2022-03-29 Yingshan Chang , Mridu Narang , Hisami Suzuki , Guihong Cao , Jianfeng Gao , Yonatan Bisk

The open-ended question answering task of Text-VQA often requires reading and reasoning about rarely seen or completely unseen scene-text content of an image. We address this zero-shot nature of the problem by proposing the generalized use…

计算机视觉与模式识别 · 计算机科学 2022-07-18 Arka Ujjal Dey , Ernest Valveny , Gaurav Harit

Within the multimodal field, large vision-language models (LVLMs) have made significant progress due to their strong perception and reasoning capabilities in the visual and language systems. However, LVLMs are still plagued by the two…

计算机视觉与模式识别 · 计算机科学 2024-06-14 Sirui Cheng , Siyu Zhang , Jiayi Wu , Muchen Lan

Previous studies have pointed out that visual question answering (VQA) models are prone to relying on language priors for answer predictions. In this context, predictions often depend on linguistic shortcuts rather than a comprehensive…

计算机视觉与模式识别 · 计算机科学 2025-01-13 Daowan Peng , Wei Wei

In this paper, we propose a novel Question-Guided Hybrid Convolution (QGHC) network for Visual Question Answering (VQA). Most state-of-the-art VQA methods fuse the high-level textual and visual features from the neural network and abandon…

计算机视觉与模式识别 · 计算机科学 2018-08-09 Peng Gao , Pan Lu , Hongsheng Li , Shuang Li , Yikang Li , Steven Hoi , Xiaogang Wang

Most existing works in visual question answering (VQA) are dedicated to improving the accuracy of predicted answers, while disregarding the explanations. We argue that the explanation for an answer is of the same or even more importance…

计算机视觉与模式识别 · 计算机科学 2018-08-28 Qing Li , Qingyi Tao , Shafiq Joty , Jianfei Cai , Jiebo Luo

Problems at the intersection of vision and language are of significant importance both as challenging research questions and for the rich set of applications they enable. However, inherent structure in our world and bias in our language…

计算机视觉与模式识别 · 计算机科学 2017-05-16 Yash Goyal , Tejas Khot , Douglas Summers-Stay , Dhruv Batra , Devi Parikh