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Related papers: OpenCQA: Open-ended Question Answering with Charts

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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

Search engines based on keyword retrieval can no longer adapt to the way of information acquisition in the era of intelligent Internet of Things due to the return of keyword related Internet pages. How to quickly, accurately and effectively…

Computation and Language · Computer Science 2022-01-03 Gaochen Wu , Bin Xu , Yuxin Qin , Yang Liu , Lingyu Liu , Ziwei Wang

Neural network based sequence-to-sequence models in an encoder-decoder framework have been successfully applied to solve Question Answering (QA) problems, predicting answers from statements and questions. However, almost all previous models…

Computation and Language · Computer Science 2017-09-05 Huayu Li , Martin Renqiang Min , Yong Ge , Asim Kadav

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

Recently, large language models have shown remarkable reasoning capabilities through long-chain reasoning before responding. However, how to extend this capability to visual reasoning tasks remains an open challenge. Existing multimodal…

Computation and Language · Computer Science 2025-06-13 Caijun Jia , Nan Xu , Jingxuan Wei , Qingli Wang , Lei Wang , Bihui Yu , Junnan Zhu

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

Over the last twenty years, significant progress has been made in designing and implementing Question Answering (QA) systems. However, addressing complex questions, the answers to which are spread across multiple documents, remains a…

Computation and Language · Computer Science 2026-02-26 Sourav Saha , Dwaipayan Roy , Mandar Mitra

We propose a novel open-domain question answering (ODQA) framework for answering single/multi-hop questions across heterogeneous knowledge sources. The key novelty of our method is the introduction of the intermediary modules into the…

Computation and Language · Computer Science 2022-10-25 Kaixin Ma , Hao Cheng , Xiaodong Liu , Eric Nyberg , Jianfeng Gao

Methods for query answering over incomplete knowledge graphs retrieve entities that are likely to be answers, which is particularly useful when such answers cannot be reached by direct graph traversal due to missing edges. However, existing…

Artificial Intelligence · Computer Science 2026-05-25 Daniel Daza , Alberto Bernardi , Luca Costabello , Christophe Gueret , Masoud Mansoury , Michael Cochez , Martijn Schut

We introduce a large-scale dataset of math word problems and an interpretable neural math problem solver that learns to map problems to operation programs. Due to annotation challenges, current datasets in this domain have been either…

Computation and Language · Computer Science 2019-06-03 Aida Amini , Saadia Gabriel , Peter Lin , Rik Koncel-Kedziorski , Yejin Choi , Hannaneh Hajishirzi

Multiple-Choice Question Answering (MCQA) is a challenging task in machine reading comprehension. The main challenge in MCQA is to extract "evidence" from the given context that supports the correct answer. In the OpenbookQA dataset, the…

Computation and Language · Computer Science 2020-10-07 Sicheng Yu , Hao Zhang , Wei Jing , Jing Jiang

Open domain question answering (ODQA) is a longstanding task aimed at answering factual questions from a large knowledge corpus without any explicit evidence in natural language processing (NLP). Recent works have predominantly focused on…

Computation and Language · Computer Science 2022-11-16 Qin Zhang , Shangsi Chen , Dongkuan Xu , Qingqing Cao , Xiaojun Chen , Trevor Cohn , Meng Fang

Despite the rapid progress in multihop question-answering (QA), models still have trouble explaining why an answer is correct, with limited explanation training data available to learn from. To address this, we introduce three explanation…

Computation and Language · Computer Science 2020-10-08 Harsh Jhamtani , Peter Clark

Commonsense question answering (QA) requires a model to grasp commonsense and factual knowledge to answer questions about world events. Many prior methods couple language modeling with knowledge graphs (KG). However, although a KG contains…

Computation and Language · Computer Science 2021-08-04 Yichong Xu , Chenguang Zhu , Ruochen Xu , Yang Liu , Michael Zeng , Xuedong Huang

Existing approaches to video understanding, mainly designed for short videos from a third-person perspective, are limited in their applicability in certain fields, such as robotics. In this paper, we delve into open-ended question-answering…

Computer Vision and Pattern Recognition · Computer Science 2024-04-02 Shangzhe Di , Weidi Xie

Current chart-related tasks, such as chart generation (NL2Chart), chart schema parsing, chart data parsing, and chart question answering (ChartQA), are typically studied in isolation, preventing models from learning the shared semantics…

Computation and Language · Computer Science 2026-04-10 Dazhen Deng , Sen Yang , Yuchen He , Yuan Tian , Yingcai Wu

Given an image and an associated textual question, the purpose of Knowledge-Based Visual Question Answering (KB-VQA) is to provide a correct answer to the question with the aid of external knowledge bases. Prior KB-VQA models are usually…

Machine Learning · Computer Science 2023-10-13 Jingru Gan , Xinzhe Han , Shuhui Wang , Qingming Huang

Understanding infographic charts with design-driven visual elements (e.g., pictograms, icons) requires both visual recognition and reasoning, posing challenges for multimodal large language models (MLLMs). However, existing visual-question…

Computer Vision and Pattern Recognition · Computer Science 2025-10-30 Tianchi Xie , Minzhi Lin , Mengchen Liu , Yilin Ye , Changjian Chen , Shixia Liu

Question answering (QA) systems provide a way of querying the information available in various formats including, but not limited to, unstructured and structured data in natural languages. It constitutes a considerable part of…

Computation and Language · Computer Science 2021-06-04 Munazza Zaib , Wei Emma Zhang , Quan Z. Sheng , Adnan Mahmood , Yang Zhang

Visual Question answering is a challenging problem requiring a combination of concepts from Computer Vision and Natural Language Processing. Most existing approaches use a two streams strategy, computing image and question features that are…

Computer Vision and Pattern Recognition · Computer Science 2018-11-02 Will Norcliffe-Brown , Efstathios Vafeias , Sarah Parisot
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