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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…

Computation and Language · Computer Science 2022-03-22 Nithish Kannen , Udit Sharma , Sumit Neelam , Dinesh Khandelwal , Shajith Ikbal , Hima Karanam , L Venkata Subramaniam

We study the Knowledge-Based visual question-answering problem, for which given a question, the models need to ground it into the visual modality to find the answer. Although many recent works use question-dependent captioners to verbalize…

Artificial Intelligence · Computer Science 2024-06-28 Elham J. Barezi , Parisa Kordjamshidi

We describe two new related resources that facilitate modelling of general knowledge reasoning in 4th grade science exams. The first is a collection of curated facts in the form of tables, and the second is a large set of crowd-sourced…

Computation and Language · Computer Science 2016-02-15 Sujay Kumar Jauhar , Peter Turney , Eduard Hovy

The problem of knowledge-based visual question answering involves answering questions that require external knowledge in addition to the content of the image. Such knowledge typically comes in various forms, including visual, textual, and…

Computer Vision and Pattern Recognition · Computer Science 2021-12-15 Jialin Wu , Jiasen Lu , Ashish Sabharwal , Roozbeh Mottaghi

The task of fact-checking deals with assessing the veracity of factual claims based on credible evidence and background knowledge. In particular, scientific fact-checking is the variation of the task concerned with verifying claims rooted…

Computation and Language · Computer Science 2023-05-29 Juraj Vladika , Florian Matthes

Visual question answering (VQA) is the task of answering questions about an image. The task assumes an understanding of both the image and the question to provide a natural language answer. VQA has gained popularity in recent years due to…

Computer Vision and Pattern Recognition · Computer Science 2023-11-01 Deepanway Ghosal , Navonil Majumder , Roy Ka-Wei Lee , Rada Mihalcea , Soujanya Poria

Visual question answering is concerned with answering free-form questions about an image. Since it requires a deep linguistic understanding of the question and the ability to associate it with various objects that are present in the image,…

Machine Learning · Computer Science 2020-07-03 Marcel Hildebrandt , Hang Li , Rajat Koner , Volker Tresp , Stephan Günnemann

Visual Word Sense Disambiguation (VWSD) is a novel challenging task that lies between linguistic sense disambiguation and fine-grained multimodal retrieval. The recent advancements in the development of visiolinguistic (VL) transformers…

Computation and Language · Computer Science 2024-04-23 Anastasia Kritharoula , Maria Lymperaiou , Giorgos Stamou

Knowledge-Based Visual Question Answering (KBVQA) is a bi-modal task requiring external world knowledge in order to correctly answer a text question and associated image. Recent single modality text work has shown knowledge injection into…

Computation and Language · Computer Science 2022-05-30 Diego Garcia-Olano , Yasumasa Onoe , Joydeep Ghosh

Knowledge-based Vision Question Answering (KB-VQA) extends general Vision Question Answering (VQA) by not only requiring the understanding of visual and textual inputs but also extensive range of knowledge, enabling significant advancements…

Computer Vision and Pattern Recognition · Computer Science 2025-04-25 Jiaqi Deng , Zonghan Wu , Huan Huo , Guandong Xu

Visual question answering (VQA) is challenging not only because the model has to handle multi-modal information, but also because it is just so hard to collect sufficient training examples -- there are too many questions one can ask about…

Computer Vision and Pattern Recognition · Computer Science 2022-11-10 Jihyung Kil , Cheng Zhang , Dong Xuan , Wei-Lun Chao

Visual question answering is the task of answering questions about images. We introduce the VizWiz-VQA-Grounding dataset, the first dataset that visually grounds answers to visual questions asked by people with visual impairments. We…

Computer Vision and Pattern Recognition · Computer Science 2022-04-12 Chongyan Chen , Samreen Anjum , Danna Gurari

Ontology matching is a core task when creating interoperable and linked open datasets. In this paper, we explore a novel structure-based mapping approach which is based on knowledge graph embeddings: The ontologies to be matched are…

Artificial Intelligence · Computer Science 2022-04-11 Jan Portisch , Guilherme Costa , Karolin Stefani , Katharina Kreplin , Michael Hladik , Heiko Paulheim

The proliferation of synthetic images generated by advanced AI models poses significant challenges in identifying and understanding manipulated visual content. Current fake image detection methods predominantly rely on binary classification…

Computer Vision and Pattern Recognition · Computer Science 2025-03-20 Ritabrata Chakraborty , Rajatsubhra Chakraborty , Ali Khaleghi Rahimian , Thomas MacDougall

The relevance between a query and a document in search can be represented as matching degree between the two objects. Latent space models have been proven to be effective for the task, which are often trained with click-through data. One…

Information Retrieval · Computer Science 2016-04-22 Shuxin Wang , Xin Jiang , Hang Li , Jun Xu , Bin Wang

Knowledge tracing (KT) defines the task of predicting whether students can correctly answer questions based on their historical response. Although much research has been devoted to exploiting the question information, plentiful advanced…

Information Retrieval · Computer Science 2020-12-10 Yunfei Liu , Yang Yang , Xianyu Chen , Jian Shen , Haifeng Zhang , Yong Yu

Path queries on a knowledge graph can be used to answer compositional questions such as "What languages are spoken by people living in Lisbon?". However, knowledge graphs often have missing facts (edges) which disrupts path queries. Recent…

Computation and Language · Computer Science 2015-08-20 Kelvin Guu , John Miller , Percy Liang

Even for domain experts, it is a non-trivial task to verify a scientific claim by providing supporting or refuting evidence rationales. The situation worsens as misinformation is proliferated on social media or news websites, manually or…

Computation and Language · Computer Science 2025-05-19 Xiangci Li , Gully Burns , Nanyun Peng

Large neural language models are steadily contributing state-of-the-art performance to question answering and other natural language and information processing tasks. These models are expensive to train. We propose to evaluate whether such…

Computation and Language · Computer Science 2022-05-24 Fangyi Zhu , Lok You Tan , See-Kiong Ng , Stéphane Bressan

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…

Computer Vision and Pattern Recognition · Computer Science 2019-04-08 Robik Shrestha , Kushal Kafle , Christopher Kanan