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Deep neural networks have been playing an essential role in many computer vision tasks including Visual Question Answering (VQA). Until recently, the study of their accuracy was the main focus of research but now there is a trend toward…

Computer Vision and Pattern Recognition · Computer Science 2018-12-27 Jia-Hong Huang , Cuong Duc Dao , Modar Alfadly , Bernard Ghanem

Existing approaches for open-domain question answering (QA) are typically designed for questions that require either single-hop or multi-hop reasoning, which make strong assumptions of the complexity of questions to be answered. Also,…

Computation and Language · Computer Science 2021-05-25 Ping Nie , Yuyu Zhang , Arun Ramamurthy , Le Song

Machine reading is a fundamental task for testing the capability of natural language understanding, which is closely related to human cognition in many aspects. With the rising of deep learning techniques, algorithmic models rival human…

Computation and Language · Computer Science 2020-07-17 Jian Liu , Leyang Cui , Hanmeng Liu , Dandan Huang , Yile Wang , Yue Zhang

Designing wise AI policy is a grand challenge for society. To design such policy, policymakers should place a premium on rigorous evidence and scientific consensus. While several mechanisms exist for evidence generation, and nascent…

Artificial Intelligence · Computer Science 2025-10-02 Rishi Bommasani

This work examines the use of contradiction in natural language inference (NLI) for question answering (QA). Typically, NLI systems help answer questions by determining if a potential answer is \emph{entailed} (supported) by some background…

Computation and Language · Computer Science 2023-05-31 Étienne Fortier-Dubois , Domenic Rosati

Question Answering (QA) has proved to be an arduous challenge in the area of natural language processing (NLP) and artificial intelligence (AI). Many attempts have been made to develop complete solutions for QA as well as improving…

Computation and Language · Computer Science 2023-05-18 Pragya Katyayan , Nisheeth Joshi

Continual learning with neural networks is an important learning framework in AI that aims to learn a sequence of tasks well. However, it is often confronted with three challenges: (1) overcome the catastrophic forgetting problem, (2) adapt…

Machine Learning · Computer Science 2020-06-11 Qiang Gao , Zhipeng Luo , Diego Klabjan

Closed-book question-answering (QA) is a challenging task that requires a model to directly answer questions without access to external knowledge. It has been shown that directly fine-tuning pre-trained language models with (question,…

Computation and Language · Computer Science 2021-01-05 Qinyuan Ye , Belinda Z. Li , Sinong Wang , Benjamin Bolte , Hao Ma , Wen-tau Yih , Xiang Ren , Madian Khabsa

Open-domain Question Answering models which directly leverage question-answer (QA) pairs, such as closed-book QA (CBQA) models and QA-pair retrievers, show promise in terms of speed and memory compared to conventional models which retrieve…

Computation and Language · Computer Science 2021-02-16 Patrick Lewis , Yuxiang Wu , Linqing Liu , Pasquale Minervini , Heinrich Küttler , Aleksandra Piktus , Pontus Stenetorp , Sebastian Riedel

Question answering (QA) extracting answers from text to the given question in natural language, has been actively studied and existing models have shown a promise of outperforming human performance when trained and evaluated with SQuAD…

Computation and Language · Computer Science 2018-12-04 Gyeongbok Lee , Sungdong Kim , Seung-won Hwang

Question Answering (QA) research is a significant and challenging task in Natural Language Processing. QA aims to extract an exact answer from a relevant text snippet or a document. The motivation behind QA research is the need of user who…

Information Retrieval · Computer Science 2018-10-10 Lokesh Kumar Sharma , Namita Mittal

There are numerous e-assessment systems devoted to specific domains under diverse license models. Cost, extensibility, and maintainability are relevant issues for an institution. Ease of use and inclusion into courses are educator's main…

Computers and Society · Computer Science 2021-05-17 Fin Hendrik Bahnsen , Goerschwin Fey

Question Answering (QA) systems are becoming the inspiring model for the future of search engines. While recently, underlying datasets for QA systems have been promoted from unstructured datasets to structured datasets with highly…

Information Retrieval · Computer Science 2016-02-17 Saeedeh Shekarpour , Denis Lukovnikov , Ashwini Jaya Kumar , Kemele Endris , Kuldeep Singh , Harsh Thakkar , Christoph Lange

Retrieval-augmented question-answering systems combine retrieval techniques with large language models to provide answers that are more accurate and informative. Many existing toolkits allow users to quickly build such systems using…

Computation and Language · Computer Science 2024-03-05 Xiao Yu , Yunan Lu , Zhou Yu

In this paper, we propose AutoCompete, a highly automated machine learning framework for tackling machine learning competitions. This framework has been learned by us, validated and improved over a period of more than two years by…

Machine Learning · Statistics 2015-07-09 Abhishek Thakur , Artus Krohn-Grimberghe

We frame Question Answering (QA) as a Reinforcement Learning task, an approach that we call Active Question Answering. We propose an agent that sits between the user and a black box QA system and learns to reformulate questions to elicit…

Computation and Language · Computer Science 2018-03-05 Christian Buck , Jannis Bulian , Massimiliano Ciaramita , Wojciech Gajewski , Andrea Gesmundo , Neil Houlsby , Wei Wang

Noisy Intermediate-Scale Quantum (NISQ) computers, despite their limitations, present opportunities for near-term quantum advantages in Nuclear and High-Energy Physics (NHEP) when paired with specially designed quantum algorithms and…

To build robust question answering systems, we need the ability to verify whether answers to questions are truly correct, not just "good enough" in the context of imperfect QA datasets. We explore the use of natural language inference (NLI)…

Computation and Language · Computer Science 2021-09-14 Jifan Chen , Eunsol Choi , Greg Durrett

Question answering (QA) is an important natural language processing (NLP) task and has received much attention in academic research and industry communities. Existing QA studies assume that questions are raised by humans and answers are…

Computation and Language · Computer Science 2019-01-15 Qing Yin , Guan Luo , Xiaodong Zhu , Qinghua Hu , Ou Wu

Understanding how biological visual systems process information is challenging because of the nonlinear relationship between visual input and neuronal responses. Artificial neural networks allow computational neuroscientists to create…