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The Visual Question Answering (VQA) task requires the simultaneous understanding of image content and question semantics. However, existing methods often have difficulty handling complex reasoning scenarios due to insufficient cross-modal…

Computer Vision and Pattern Recognition · Computer Science 2025-06-16 Weikai Sun , Shijie Song , Han Wang

Textbook question answering (TQA) is a challenging task in artificial intelligence due to the complex nature of context needed to answer complex questions. Although previous research has improved the task, there are still some limitations…

Computation and Language · Computer Science 2025-01-23 Hessa Abdulrahman Alawwad , Areej Alhothali , Usman Naseem , Ali Alkhathlan , Amani Jamal

Visual question answering (VQA) is the multi-modal task of answering natural language questions about an input image. Through cross-dataset adaptation methods, it is possible to transfer knowledge from a source dataset with larger train…

Computer Vision and Pattern Recognition · Computer Science 2022-01-25 Arjun R. Akula

Accessing knowledge via multilingual natural-language interfaces is one of the emerging challenges in the field of information retrieval and related ones. Structured knowledge stored in knowledge graphs can be queried via a specific query…

Computation and Language · Computer Science 2025-07-24 Aleksandr Perevalov , Andreas Both

Existing video understanding datasets mostly focus on human interactions, with little attention being paid to the "in the wild" settings, where the videos are recorded outdoors. We propose WILDQA, a video understanding dataset of videos…

Computer Vision and Pattern Recognition · Computer Science 2022-09-15 Santiago Castro , Naihao Deng , Pingxuan Huang , Mihai Burzo , Rada Mihalcea

Question answering (QA) in English has been widely explored, but multilingual datasets are relatively new, with several methods attempting to bridge the gap between high- and low-resourced languages using data augmentation through…

Computation and Language · Computer Science 2021-06-01 Arnab Debnath , Navid Rajabi , Fardina Fathmiul Alam , Antonios Anastasopoulos

Earth observation satellites generate large amounts of real-time data for monitoring and managing time-critical events such as disaster relief missions. This presents a major challenge for satellite-to-ground communications operating under…

Networking and Internet Architecture · Computer Science 2025-03-19 Sheikh Salman Hassan , Loc X. Nguyen , Yan Kyaw Tun , Zhu Han , Choong Seon Hong

Open-domain Question Answering (OpenQA) is an important task in Natural Language Processing (NLP), which aims to answer a question in the form of natural language based on large-scale unstructured documents. Recently, there has been a surge…

Artificial Intelligence · Computer Science 2021-05-11 Fengbin Zhu , Wenqiang Lei , Chao Wang , Jianming Zheng , Soujanya Poria , Tat-Seng Chua

The French National Institute of Geographical and Forest Information (IGN) has the mission to document and measure land-cover on French territory and provides referential geographical datasets, including high-resolution aerial images and…

Computer Vision and Pattern Recognition · Computer Science 2023-04-20 Anatol Garioud , Stéphane Peillet , Eva Bookjans , Sébastien Giordano , Boris Wattrelos

We present Deep Search DocQA. This application enables information extraction from documents via a question-answering conversational assistant. The system integrates several technologies from different AI disciplines consisting of document…

This work proposes an open interoperable data portal that offers access to a Web-wide climate domain knowledge graph created for Ireland and England's NOAA climate daily data. There are three main components contributing to this data…

Databases · Computer Science 2021-10-20 Jiantao Wu , Huan Chen , Fabrizio Orlandi , Yee Hui Lee , Declan O'Sullivan , Soumyabrata Dev

Spatial Representations for Artificial Intelligence (srai) is a Python library for working with geospatial data. The library can download geospatial data, split a given area into micro-regions using multiple algorithms and train an…

Machine Learning · Computer Science 2023-11-22 Piotr Gramacki , Kacper Leśniara , Kamil Raczycki , Szymon Woźniak , Marcin Przymus , Piotr Szymański

Video text-based visual question answering (Video TextVQA) is a practical task that aims to answer questions by jointly reasoning textual and visual information in a given video. Inspired by the development of TextVQA in image domain,…

Computer Vision and Pattern Recognition · Computer Science 2024-12-18 Yan Zhang , Gangyan Zeng , Huawen Shen , Daiqing Wu , Yu Zhou , Can Ma

Time plays a critical role in how information is generated, retrieved, and interpreted. In this survey, we provide a comprehensive overview of Temporal Question Answering (TQA), a research area that focuses on answering questions involving…

Computation and Language · Computer Science 2026-04-24 Bhawna Piryani , Abdelrahman Abdallah , Jamshid Mozafari , Avishek Anand , Adam Jatowt

Document Visual Question Answering (DocVQA) requires models to jointly understand textual semantics, spatial layout, and visual features. Current methods struggle with explicit spatial relationship modeling, inefficiency with…

Computer Vision and Pattern Recognition · Computer Science 2025-11-25 Ahmad Mohammadshirazi , Pinaki Prasad Guha Neogi , Dheeraj Kulshrestha , Rajiv Ramnath

We propose TerraFlow, a novel approach to multimodal, multitemporal learning for Earth observation. TerraFlow builds on temporal training objectives that enable sequence-aware learning across space, time, and modality, while remaining…

Computer Vision and Pattern Recognition · Computer Science 2026-03-16 Nazar Puriy , Johannes Jakubik , Benedikt Blumenstiel , Konrad Schindler

Generating natural, diverse, and meaningful questions from images is an essential task for multimodal assistants as it confirms whether they have understood the object and scene in the images properly. The research in visual question…

Computer Vision and Pattern Recognition · Computer Science 2020-12-08 Alkesh Patel , Akanksha Bindal , Hadas Kotek , Christopher Klein , Jason Williams

Question answering over knowledge graphs (KG-QA) is a vital topic in IR. Questions with temporal intent are a special class of practical importance, but have not received much attention in research. This work presents EXAQT, the first…

Information Retrieval · Computer Science 2021-09-21 Zhen Jia , Soumajit Pramanik , Rishiraj Saha Roy , Gerhard Weikum

Interesting landforms created by an ancient network of earthworks are shown, using Google satellite imagery enhanced by an image processing. This network covers a large part of the land near the Titicaca Lake. Satellite images clearly…

Geophysics · Physics 2010-09-17 Amelia Carolina Sparavigna

Creation of large-scale databases for Visual Question Answering tasks pertaining to the text data in a scene (text-VQA) involves skilful human annotation, which is tedious and challenging. With the advent of foundation models that handle…

Computer Vision and Pattern Recognition · Computer Science 2025-11-05 Soham Joshi , Shwet Kamal Mishra , Viswanath Gopalakrishnan