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Related papers: A Comparative Study of Question Answering over Kno…

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This paper is on the problem of Knowledge-Based Visual Question Answering (KB-VQA). Recent works have emphasized the significance of incorporating both explicit (through external databases) and implicit (through LLMs) knowledge to answer…

Computer Vision and Pattern Recognition · Computer Science 2023-10-25 Alexandros Xenos , Themos Stafylakis , Ioannis Patras , Georgios Tzimiropoulos

When answering natural language questions over knowledge bases (KBs), different question components and KB aspects play different roles. However, most existing embedding-based methods for knowledge base question answering (KBQA) ignore the…

Computation and Language · Computer Science 2019-05-30 Yu Chen , Lingfei Wu , Mohammed J. Zaki

Knowledge-based visual question answering (KB-VQA) requires vision-language models to understand images and use external knowledge, especially for rare entities and long-tail facts. Most existing retrieval-augmented generation (RAG) methods…

Computer Vision and Pattern Recognition · Computer Science 2026-04-10 Zhuohong Chen , Zhenxian Wu , Yunyao Yu , Hangrui Xu , Zirui Liao , Zhifang Liu , Xiangwen Deng , Pen Jiao , Haoqian Wang

Conversational question answering (ConvQA) tackles sequential information needs where contexts in follow-up questions are left implicit. Current ConvQA systems operate over homogeneous sources of information: either a knowledge base (KB),…

Information Retrieval · Computer Science 2023-07-03 Philipp Christmann , Rishiraj Saha Roy , Gerhard Weikum

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…

Computer Vision and Pattern Recognition · Computer Science 2017-09-15 Kushal Kafle , Christopher Kanan

We publicly release a new large-scale dataset, called SearchQA, for machine comprehension, or question-answering. Unlike recently released datasets, such as DeepMind CNN/DailyMail and SQuAD, the proposed SearchQA was constructed to reflect…

Computation and Language · Computer Science 2017-06-13 Matthew Dunn , Levent Sagun , Mike Higgins , V. Ugur Guney , Volkan Cirik , Kyunghyun Cho

Visual Question Answering (VQA) presents a unique challenge as it requires the ability to understand and encode the multi-modal inputs - in terms of image processing and natural language processing. The algorithm further needs to learn how…

Computer Vision and Pattern Recognition · Computer Science 2017-09-26 Supriya Pandhre , Shagun Sodhani

Open Domain Question Answering (QA) is evolving from complex pipelined systems to end-to-end deep neural networks. Specialized neural models have been developed for extracting answers from either text alone or Knowledge Bases (KBs) alone.…

Computation and Language · Computer Science 2018-09-05 Haitian Sun , Bhuwan Dhingra , Manzil Zaheer , Kathryn Mazaitis , Ruslan Salakhutdinov , William W. Cohen

Human knowledge is collectively encoded in the roughly 6500 languages spoken around the world, but it is not distributed equally across languages. Hence, for information-seeking question answering (QA) systems to adequately serve speakers…

Computation and Language · Computer Science 2021-09-27 Fahim Faisal , Antonios Anastasopoulos

Community question-answering (CQA) platforms have become very popular forums for asking and answering questions daily. While these forums are rich repositories of community knowledge, they present challenges for finding relevant answers and…

Information Retrieval · Computer Science 2019-04-18 Muhammad Mahbubur Rahman , Sorami Hisamoto , Kevin Duh

Complex query answering (CQA) on knowledge graphs (KGs) is gaining momentum as a challenging reasoning task. In this paper, we show that the current benchmarks for CQA might not be as complex as we think, as the way they are built distorts…

Machine Learning · Computer Science 2025-07-04 Cosimo Gregucci , Bo Xiong , Daniel Hernandez , Lorenzo Loconte , Pasquale Minervini , Steffen Staab , Antonio Vergari

Recent advancements in open-domain question answering (ODQA), i.e., finding answers from large open-domain corpus like Wikipedia, have led to human-level performance on many datasets. However, progress in QA over book stories (Book QA) lags…

Computation and Language · Computer Science 2021-06-08 Xiangyang Mou , Chenghao Yang , Mo Yu , Bingsheng Yao , Xiaoxiao Guo , Saloni Potdar , Hui Su

Question Answering (QA) is the task of automatically answering questions posed by humans in natural languages. There are different settings to answer a question, such as abstractive, extractive, boolean, and multiple-choice QA. As a popular…

Computation and Language · Computer Science 2023-04-07 Zhichao Duan , Xiuxing Li , Zhengyan Zhang , Zhenyu Li , Ning Liu , Jianyong Wang

Question answering (QA) over knowledge bases (KBs) is challenging because of the diverse, essentially unbounded, types of reasoning patterns needed. However, we hypothesize in a large KB, reasoning patterns required to answer a query type…

Computation and Language · Computer Science 2022-06-22 Rajarshi Das , Ameya Godbole , Ankita Naik , Elliot Tower , Robin Jia , Manzil Zaheer , Hannaneh Hajishirzi , Andrew McCallum

Product Question Answering (PQA) systems are key in e-commerce applications to provide responses to customers' questions as they shop for products. While existing work on PQA focuses mainly on English, in practice there is need to support…

Computation and Language · Computer Science 2023-05-17 Xiaoyu Shen , Akari Asai , Bill Byrne , Adrià de Gispert

Answering questions related to the legal domain is a complex task, primarily due to the intricate nature and diverse range of legal document systems. Providing an accurate answer to a legal query typically necessitates specialized knowledge…

Computation and Language · Computer Science 2023-09-18 Abdelrahman Abdallah , Bhawna Piryani , Adam Jatowt

Visual Question Answering (VQA) is a challenging task that has received increasing attention from both the computer vision and the natural language processing communities. Given an image and a question in natural language, it requires…

Computer Vision and Pattern Recognition · Computer Science 2016-07-21 Qi Wu , Damien Teney , Peng Wang , Chunhua Shen , Anthony Dick , Anton van den Hengel

The limits of applicability of vision-and-language models are defined by the coverage of their training data. Tasks like vision question answering (VQA) often require commonsense and factual information beyond what can be learned from…

Computer Vision and Pattern Recognition · Computer Science 2021-01-18 Violetta Shevchenko , Damien Teney , Anthony Dick , Anton van den Hengel

The ability of reasoning over evidence has received increasing attention in question answering (QA). Recently, natural language database (NLDB) conducts complex QA in knowledge base with textual evidences rather than structured…

Computation and Language · Computer Science 2022-10-18 Minjun Zhu , Yixuan Weng , Shizhu He , Kang Liu , Jun Zhao

Knowledge Base Question Answering (KBQA) aims to answer factoid questions based on knowledge bases. However, generating the most appropriate knowledge base query code based on Natural Language Questions (NLQ) poses a significant challenge…

Computation and Language · Computer Science 2023-11-07 Yunlong Chen , Yaming Zhang , Jianfei Yu , Li Yang , Rui Xia