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Chart question answering (CQA) is a task used for assessing chart comprehension, which is fundamentally different from understanding natural images. CQA requires analyzing the relationships between the textual and the visual components of a…

Computer Vision and Pattern Recognition · Computer Science 2022-07-12 Matan Levy , Rami Ben-Ari , Dani Lischinski

Constraint Programming (CP) has been successfully used to model and solve complex combinatorial problems. However, modeling is often not trivial and requires expertise, which is a bottleneck to wider adoption. In Constraint Acquisition…

Artificial Intelligence · Computer Science 2023-12-19 Dimos Tsouros , Senne Berden , Tias Guns

Multi-hop Knowledge Base Question Answering (KBQA) aims to find the answer entities that are multiple hops away in the Knowledge Base (KB) from the entities in the question. A major challenge is the lack of supervision signals at…

Computation and Language · Computer Science 2021-04-08 Gaole He , Yunshi Lan , Jing Jiang , Wayne Xin Zhao , Ji-Rong Wen

In conversational question answering (CQA), the task of question rewriting~(QR) in context aims to rewrite a context-dependent question into an equivalent self-contained question that gives the same answer. In this paper, we are interested…

Computation and Language · Computer Science 2023-11-14 Hai Ye , Hwee Tou Ng , Wenjuan Han

We apply a general recurrent neural network (RNN) encoder framework to community question answering (cQA) tasks. Our approach does not rely on any linguistic processing, and can be applied to different languages or domains. Further…

Computation and Language · Computer Science 2016-03-24 Wei-Ning Hsu , Yu Zhang , James Glass

Deep learning models have set benchmark results in various Natural Language Processing tasks. However, these models require an enormous amount of training data, which is infeasible in many practical problems. While various techniques like…

Machine Learning · Computer Science 2021-12-20 K. M. Annervaz , Pritam Kumar Nath , Ambedkar Dukkipati

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…

Computation and Language · Computer Science 2022-11-15 Deepak Gupta

Generalization to out of distribution tasks in reinforcement learning is a challenging problem. One successful approach improves generalization by conditioning policies on task or environment descriptions that provide information about the…

Machine Learning · Computer Science 2022-05-27 Kolby Nottingham , Alekhya Pyla , Sameer Singh , Roy Fox

Machine learning methods adapt the parameters of a model, constrained to lie in a given model class, by using a fixed learning procedure based on data or active observations. Adaptation is done on a per-task basis, and retraining is needed…

Machine Learning · Computer Science 2021-10-22 Osvaldo Simeone , Sangwoo Park , Joonhyuk Kang

Large language models (LLMs) show strong capabilities in general reasoning but typically lack reliability in scientific domains like quantum mechanics, which demand strict adherence to physical constraints. This limitation arises from the…

Artificial Intelligence · Computer Science 2026-04-21 Songxin Qu , Tai-Ping Sun , Yun-Jie Wang , Huan-Yu Liu , Cheng Xue , Xiao-Fan Xu , Han Fang , Yang Yang , Yu-Chun Wu , Guo-Ping Guo , Zhao-Yun Chen

Visual Question Answering (VQA) is a challenging multimodal task to answer questions about an image. Many works concentrate on how to reduce language bias which makes models answer questions ignoring visual content and language context.…

Computer Vision and Pattern Recognition · Computer Science 2020-12-22 Chao Yang , Su Feng , Dongsheng Li , Huawei Shen , Guoqing Wang , Bin Jiang

Knowledge-aware question answering (KAQA) requires the model to answer questions over a knowledge base, which is essential for both open-domain QA and domain-specific QA, especially when language models alone cannot provide all the…

Computation and Language · Computer Science 2023-03-16 Qichen Ye , Bowen Cao , Nuo Chen , Weiyuan Xu , Yuexian Zou

Quantum computing has shown the potential to substantially speed up machine learning applications, in particular for supervised and unsupervised learning. Reinforcement learning, on the other hand, has become essential for solving many…

Quantum Physics · Physics 2023-11-28 El Amine Cherrat , Iordanis Kerenidis , Anupam Prakash

Visual Question Answering (VQA) is a challenging task that requires systems to provide accurate answers to questions based on image content. Current VQA models struggle with complex questions due to limitations in capturing and integrating…

Computer Vision and Pattern Recognition · Computer Science 2024-09-24 Peiyuan Chen , Zecheng Zhang , Yiping Dong , Li Zhou , Han Wang

Answering complex queries on incomplete knowledge graphs is a challenging task where a model needs to answer complex logical queries in the presence of missing knowledge. Prior work in the literature has proposed to address this problem by…

Machine Learning · Computer Science 2023-07-12 Erik Arakelyan , Pasquale Minervini , Daniel Daza , Michael Cochez , Isabelle Augenstein

Long-form question answering (LFQA) aims at generating in-depth answers to end-user questions, providing relevant information beyond the direct answer. However, existing retrievers are typically optimized towards information that directly…

Computation and Language · Computer Science 2024-10-14 Philipp Christmann , Svitlana Vakulenko , Ionut Teodor Sorodoc , Bill Byrne , Adrià de Gispert

Large language models show impressive results on few-shot NLP tasks. However, these models are memory and computation-intensive. Meta-training allows one to leverage smaller models for few-shot generalization in a domain-general and…

Computation and Language · Computer Science 2023-07-04 Aaron Mueller , Kanika Narang , Lambert Mathias , Qifan Wang , Hamed Firooz

Models of various NLP tasks have been shown to exhibit stereotypes, and the bias in the question answering (QA) models is especially harmful as the output answers might be directly consumed by the end users. There have been datasets to…

Computation and Language · Computer Science 2024-06-18 Mingyu Derek Ma , Jiun-Yu Kao , Arpit Gupta , Yu-Hsiang Lin , Wenbo Zhao , Tagyoung Chung , Wei Wang , Kai-Wei Chang , Nanyun Peng

Complex Query Answering (CQA) is a challenge task of Knowledge Graph (KG). Due to the incompleteness of KGs, query embedding (QE) methods have been proposed to encode queries and entities into the same embedding space, and treat logical…

Artificial Intelligence · Computer Science 2025-09-30 Yao Xu , Shizhu He , Cunguang Wang , Li Cai , Kang Liu , Jun Zhao

Question Answering (QA) is a longstanding challenge in natural language processing. Existing QA works mostly focus on specific question types, knowledge domains, or reasoning skills. The specialty in QA research hinders systems from…

Computation and Language · Computer Science 2022-12-12 Wanjun Zhong , Yifan Gao , Ning Ding , Yujia Qin , Zhiyuan Liu , Ming Zhou , Jiahai Wang , Jian Yin , Nan Duan