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General-purpose knowledge bases (KBs) are a cornerstone of knowledge-centric AI. Many of them are constructed pragmatically from Web sources, and are thus far from complete. This poses challenges for the consumption as well as the curation…

Artificial Intelligence · Computer Science 2023-12-07 Simon Razniewski , Hiba Arnaout , Shrestha Ghosh , Fabian Suchanek

Knowledge Base Question Answering (KBQA) tasks that in-volve complex reasoning are emerging as an important re-search direction. However, most KBQA systems struggle withgeneralizability, particularly on two dimensions: (a) acrossmultiple…

Question Answering (QA) systems provide easy access to the vast amount of knowledge without having to know the underlying complex structure of the knowledge. The research community has provided ad hoc solutions to the key QA tasks,…

Computation and Language · Computer Science 2019-06-11 Somayeh Asadifar , Mohsen Kahani , Saeedeh Shekarpour

The goal of database question answering is to enable natural language querying of real-life relational databases in diverse application domains. Recently, large-scale datasets such as Spider and WikiSQL facilitated novel modeling techniques…

Computation and Language · Computer Science 2021-06-23 Chia-Hsuan Lee , Oleksandr Polozov , Matthew Richardson

Question Answering (QA), as a research field, has primarily focused on either knowledge bases (KBs) or free text as a source of knowledge. These two sources have historically shaped the kinds of questions that are asked over these sources,…

Computation and Language · Computer Science 2019-02-26 Igor Labutov , Bishan Yang , Anusha Prakash , Amos Azaria

Knowledge Base Question Answering (KBQA) aims to answer natural language questions with a large-scale structured knowledge base (KB). Despite advancements with large language models (LLMs), KBQA still faces challenges in weak KB awareness,…

Computation and Language · Computer Science 2025-06-02 Haoran Luo , Haihong E , Yikai Guo , Qika Lin , Xiaobao Wu , Xinyu Mu , Wenhao Liu , Meina Song , Yifan Zhu , Luu Anh Tuan

Large knowledge bases (KBs) are useful for many AI tasks, but are difficult to integrate into modern gradient-based learning systems. Here we describe a framework for accessing soft symbolic database using only differentiable operators. For…

Machine Learning · Computer Science 2019-05-16 William W. Cohen , Matthew Siegler , Alex Hofer

Visual Question Answering (VQA) is an interdisciplinary field that bridges the gap between computer vision (CV) and natural language processing(NLP), enabling Artificial Intelligence(AI) systems to answer questions about images. Since its…

Computer Vision and Pattern Recognition · Computer Science 2025-01-14 Anupam Pandey , Deepjyoti Bodo , Arpan Phukan , Asif Ekbal

Resolving knowledge conflicts is a crucial challenge in Question Answering (QA) tasks, as the internet contains numerous conflicting facts and opinions. While some research has made progress in tackling ambiguous settings where multiple…

Computation and Language · Computer Science 2024-10-30 Sagi Shaier , Ari Kobren , Philip Ogren

Current methods for Knowledge-Based Question Answering (KBQA) usually rely on complex training techniques and model frameworks, leading to many limitations in practical applications. Recently, the emergence of In-Context Learning (ICL)…

Computation and Language · Computer Science 2024-01-08 Zhijie Nie , Richong Zhang , Zhongyuan Wang , Xudong Liu

Visual Question Answering (VQA) is the task of answering questions based on image content. Building upon this, Knowledge-Based VQA (KB-VQA) requires models to answer questions that depend on external knowledge beyond the visual content of…

Information Retrieval · Computer Science 2026-04-08 Wei Ye , Yixin Su , Yueguo Chen , Longxiang Gao , Jianjun Li , Ruixuan Li , Rui Zhang

Bar charts are an effective way to convey numeric information, but today's algorithms cannot parse them. Existing methods fail when faced with even minor variations in appearance. Here, we present DVQA, a dataset that tests many aspects of…

Computer Vision and Pattern Recognition · Computer Science 2018-03-30 Kushal Kafle , Brian Price , Scott Cohen , Christopher Kanan

Knowledge-based visual question answering (KB-VQA) is a challenging task, which requires the model to leverage external knowledge for comprehending and answering questions grounded in visual content. Recent studies retrieve the knowledge…

Computer Vision and Pattern Recognition · Computer Science 2024-03-18 Dongze Hao , Jian Jia , Longteng Guo , Qunbo Wang , Te Yang , Yan Li , Yanhua Cheng , Bo Wang , Quan Chen , Han Li , Jing Liu

We present SemanticQA, an evaluation suite designed to assess language models (LMs) in semantic phrase processing tasks. The benchmark consolidates existing multiword expression (MwE) resources and reorganizes them into a unified testbed.…

Computation and Language · Computer Science 2026-05-20 Yang Liu , Hongming Li , Melissa Xiaohui Qin , Qiankun Liu , Chao Huang

Data-driven systems need to be evaluated to establish trust in the scientific approach and its applicability. In particular, this is true for Knowledge Graph (KG) Question Answering (QA), where complex data structures are made accessible…

Computation and Language · Computer Science 2022-01-21 Aleksandr Perevalov , Xi Yan , Liubov Kovriguina , Longquan Jiang , Andreas Both , Ricardo Usbeck

Knowledge-based Visual Question Answering (VQA) expects models to rely on external knowledge for robust answer prediction. Though significant it is, this paper discovers several leading factors impeding the advancement of current…

Computer Vision and Pattern Recognition · Computer Science 2022-07-01 Yangyang Guo , Liqiang Nie , Yongkang Wong , Yibing Liu , Zhiyong Cheng , Mohan Kankanhalli

Word embeddings have been shown adept at capturing the semantic and syntactic regularities of the natural language text, as a result of which these representations have found their utility in a wide variety of downstream content analysis…

Computation and Language · Computer Science 2021-03-02 Kishlay Jha

Visual question answering (VQA) demands simultaneous comprehension of both the image visual content and natural language questions. In some cases, the reasoning needs the help of common sense or general knowledge which usually appear in the…

Computer Vision and Pattern Recognition · Computer Science 2018-11-30 Hui Li , Peng Wang , Chunhua Shen , Anton van den Hengel

Relational knowledge bases (KBs) are commonly used to represent world knowledge in machines. However, while advantageous for their high degree of precision and interpretability, KBs are usually organized according to manually-defined…

Computation and Language · Computer Science 2021-09-13 Tara Safavi , Danai Koutra

The trends of open science have enabled several open scholarly datasets which include millions of papers and authors. Managing, exploring, and utilizing such large and complicated datasets effectively are challenging. In recent years, the…

Artificial Intelligence · Computer Science 2025-08-19 Hung Nghiep Tran , Atsuhiro Takasu