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Information visualizations such as bar charts and line charts are very common for analyzing data and discovering critical insights. Often people analyze charts to answer questions that they have in mind. Answering such questions can be…

计算与语言 · 计算机科学 2022-05-24 Enamul Hoque , Parsa Kavehzadeh , Ahmed Masry

Chart Question Answering (CQA) aims at answering questions based on the visual chart content, which plays an important role in chart sumarization, business data analysis, and data report generation. CQA is a challenging multi-modal task…

计算机视觉与模式识别 · 计算机科学 2024-09-05 Lingling Zhang , Muye Huang , QianYing Wang , Yaxian Wang , Wenjun Wu , Jun Liu

There has a been a significant rise in the use of Community Question Answering sites (CQAs) over the last decade owing primarily to their ability to leverage the wisdom of the crowd. Duplicate questions have a crippling effect on the…

计算与语言 · 计算机科学 2022-10-05 Mihir Kale , Anirudha Rayasam , Radhika Parik , Pranav Dheram

Large language models (LLMs) have shown promise in table Question Answering (Table QA). However, extending these capabilities to multi-table QA remains challenging due to unreliable schema linking across complex tables. Existing methods…

人工智能 · 计算机科学 2025-11-25 Xixi Wang , Miguel Costa , Jordanka Kovaceva , Shuai Wang , Francisco C. Pereira

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…

信息检索 · 计算机科学 2026-04-08 Wei Ye , Yixin Su , Yueguo Chen , Longxiang Gao , Jianjun Li , Ruixuan Li , Rui Zhang

Over time, software systems have reached a level of complexity that makes it difficult for their developers and users to explain particular decisions made by them. In this paper, we focus on the explainability of component-based systems for…

软件工程 · 计算机科学 2025-08-21 Dennis Schiese , Aleksandr Perevalov , Andreas Both

Question Answering (QA) systems over Knowledge Graphs (KGs) (KGQA) automatically answer natural language questions using triples contained in a KG. The key idea is to represent questions and entities of a KG as low-dimensional embeddings.…

机器学习 · 计算机科学 2022-03-28 Sirui Li , Kok Kai Wong , Dengya Zhu , Chun Che Fung

Chart question answering (CQA) is a newly proposed visual question answering (VQA) task where an algorithm must answer questions about data visualizations, e.g. bar charts, pie charts, and line graphs. CQA requires capabilities that…

计算机视觉与模式识别 · 计算机科学 2020-07-23 Kushal Kafle , Robik Shrestha , Brian Price , Scott Cohen , Christopher Kanan

Community Question Answering (CQA) websites can be claimed as the most major venues for knowledge sharing, and the most effective way of exchanging knowledge at present. Considering that massive amount of users are participating online and…

信息检索 · 计算机科学 2018-10-29 Chaoran Huang , Lina Yao , Xianzhi Wang , Boualem Benatallah , Xiang Zhang

Personalized recommendations are popular in these days of Internet driven activities, specifically shopping. Recommendation methods can be grouped into three major categories, content based filtering, collaborative filtering and machine…

信息检索 · 计算机科学 2021-01-11 Yuhao Mao , Serguei A. Mokhov , Sudhir P. Mudur

Current temporal knowledge graph question answering (TKGQA) methods primarily focus on implicit temporal constraints, lacking the capability of handling more complex temporal queries, and struggle with limited reasoning abilities and error…

计算与语言 · 计算机科学 2025-09-05 Zhaoyan Gong , Juan Li , Zhiqiang Liu , Lei Liang , Huajun Chen , Wen Zhang

Open-domain question answering (QA) aims to find the answer to a question from a large collection of documents.Though many models for single-document machine comprehension have achieved strong performance, there is still much room for…

计算与语言 · 计算机科学 2020-06-11 Mantong Zhou , Zhouxing Shi , Minlie Huang , Xiaoyan Zhu

The last few years have seen an explosion of research on the topic of automated question answering (QA), spanning the communities of information retrieval, natural language processing, and artificial intelligence. This tutorial would cover…

信息检索 · 计算机科学 2020-08-10 Rishiraj Saha Roy , Avishek Anand

Attributed Question Answering (AQA) has attracted wide attention, but there are still several limitations in evaluating the attributions, including lacking fine-grained attribution categories, relying on manual annotations, and failing to…

计算与语言 · 计算机科学 2025-07-02 Nan Hu , Jiaoyan Chen , Yike Wu , Guilin Qi , Hongru Wang , Sheng Bi , Yongrui Chen , Tongtong Wu , Jeff Z. Pan

Community question answering (CQA) forums are Internet-based platforms where users ask questions about a topic and other expert users try to provide solutions. Many CQA forums such as Quora, Stackoverflow, Yahoo!Answer, StackExchange exist…

机器学习 · 计算机科学 2023-09-15 Nafis Sajid , Md Rashidul Hasan , Muhammad Ibrahim

The generation of questions and answers (QA) from knowledge graphs (KG) plays a crucial role in the development and testing of educational platforms, dissemination tools, and large language models (LLM). However, existing approaches often…

计算与语言 · 计算机科学 2025-11-17 Sania Nayab , Marco Simoni , Giulio Rossolini , Andrea Saracino

Existing approaches on Question Answering over Knowledge Graphs (KGQA) have weak generalizability. That is often due to the standard i.i.d. assumption on the underlying dataset. Recently, three levels of generalization for KGQA were…

计算与语言 · 计算机科学 2022-05-16 Longquan Jiang , Ricardo Usbeck

This paper addresses the problem of determining the best answer in Community-based Question Answering (CQA) websites by focussing on the content. In particular, we present a system, ACQUA [http://acqua.kmi.open.ac.uk], that can be installed…

计算与语言 · 计算机科学 2015-06-18 George Gkotsis , Maria Liakata , Carlos Pedrinaci , John Domingue

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…

计算与语言 · 计算机科学 2022-01-21 Aleksandr Perevalov , Xi Yan , Liubov Kovriguina , Longquan Jiang , Andreas Both , Ricardo Usbeck

Question-answering (QA) that comes naturally to humans is a critical component in seamless human-computer interaction. It has emerged as one of the most convenient and natural methods to interact with the web and is especially desirable in…

计算与语言 · 计算机科学 2022-11-15 Deepak Gupta