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In this paper, we investigate the problem of overfitting in deep reinforcement learning. Among the most common benchmarks in RL, it is customary to use the same environments for both training and testing. This practice offers relatively…

Machine Learning · Computer Science 2019-07-16 Karl Cobbe , Oleg Klimov , Chris Hesse , Taehoon Kim , John Schulman

A new implementation of an adiabatically-trained ensemble model is derived that shows significant improvements over classical methods. In particular, empirical results of this new algorithm show that it offers not just higher performance,…

Machine Learning · Computer Science 2022-10-17 Salvatore Certo , Andrew Vlasic , Daniel Beaulieu

In recent years, there has been a growing emphasis on the intersection of audio, vision, and text modalities, driving forward the advancements in multimodal research. However, strong bias that exists in any modality can lead to the model…

Computer Vision and Pattern Recognition · Computer Science 2023-10-11 Xiulong Liu , Zhikang Dong , Peng Zhang

We investigate applying repurposed generic QA data and models to a recently proposed relation extraction task. We find that training on SQuAD produces better zero-shot performance and more robust generalisation compared to the task specific…

Computation and Language · Computer Science 2018-12-14 Jeff Mitchell , Sebastian Riedel

This paper introduces QAConv, a new question answering (QA) dataset that uses conversations as a knowledge source. We focus on informative conversations, including business emails, panel discussions, and work channels. Unlike open-domain…

Computation and Language · Computer Science 2022-04-18 Chien-Sheng Wu , Andrea Madotto , Wenhao Liu , Pascale Fung , Caiming Xiong

We introduce a new test set for visual question answering (VQA) called BinaryVQA to push the limits of VQA models. Our dataset includes 7,800 questions across 1,024 images and covers a wide variety of objects, topics, and concepts. For easy…

Computer Vision and Pattern Recognition · Computer Science 2023-01-31 Ali Borji

Pre-trained models with dual and cross encoders have shown remarkable success in propelling the landscape of several tasks in vision and language in Visual Question Answering (VQA). However, since they are limited by the requirements of…

Computation and Language · Computer Science 2023-01-19 Khyathi Raghavi Chandu , Alborz Geramifard

Fine-tuning pre-trained language models, particularly large language models, demands extensive computing resources and can result in varying performance outcomes across different domains and datasets. This paper examines the approach of…

Computation and Language · Computer Science 2024-06-19 Guodong Du , Jing Li , Hanting Liu , Runhua Jiang , Shuyang Yu , Yifei Guo , Sim Kuan Goh , Ho-Kin Tang

Recently, the community has achieved substantial progress on many commonsense reasoning benchmarks. However, it is still unclear what is learned from the training process: the knowledge, inference capability, or both? We argue that due to…

Computation and Language · Computer Science 2022-10-13 Hongming Zhang , Yintong Huo , Yanai Elazar , Yangqiu Song , Yoav Goldberg , Dan Roth

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) systems are designed to answer natural language questions. Visual QA (VQA) and Spoken QA (SQA) systems extend the textual QA system to accept visual and spoken input respectively. This work aims to create a system…

Audio and Speech Processing · Electrical Eng. & Systems 2025-05-30 Nimrod Shabtay , Zvi Kons , Avihu Dekel , Hagai Aronowitz , Ron Hoory , Assaf Arbelle

Accurately detecting multiple change-points is critical for various applications, but determining the optimal number of change-points remains a challenge. Existing approaches based on information criteria attempt to balance goodness-of-fit…

Methodology · Statistics 2023-12-19 Hui Chen , Yinxu Jia , Guanghui Wang , Changliang Zou

We present Unified-IO 2, the first autoregressive multimodal model that is capable of understanding and generating image, text, audio, and action. To unify different modalities, we tokenize inputs and outputs -- images, text, audio, action,…

Computer Vision and Pattern Recognition · Computer Science 2023-12-29 Jiasen Lu , Christopher Clark , Sangho Lee , Zichen Zhang , Savya Khosla , Ryan Marten , Derek Hoiem , Aniruddha Kembhavi

Knowledge-based Vision Question Answering (KB-VQA) systems address complex visual-grounded questions with knowledge retrieved from external knowledge bases. The tasks of knowledge retrieval and answer generation tasks both necessitate…

Computer Vision and Pattern Recognition · Computer Science 2026-05-20 Jiaqi Deng , Kaize Shi , Zonghan Wu , Huan Huo , Dingxian Wang , Guandong Xu

In visual question answering (VQA), an algorithm must answer text-based questions about images. While multiple datasets for VQA have been created since late 2014, they all have flaws in both their content and the way algorithms are…

Computer Vision and Pattern Recognition · Computer Science 2017-09-15 Kushal Kafle , Christopher Kanan

In this paper, we propose Test-Time Training, a general approach for improving the performance of predictive models when training and test data come from different distributions. We turn a single unlabeled test sample into a self-supervised…

Machine Learning · Computer Science 2020-07-03 Yu Sun , Xiaolong Wang , Zhuang Liu , John Miller , Alexei A. Efros , Moritz Hardt

The surge of pre-training has witnessed the rapid development of document understanding recently. Pre-training and fine-tuning framework has been effectively used to tackle texts in various formats, including plain texts, document texts,…

Computation and Language · Computer Science 2022-10-07 Jingye Chen , Tengchao Lv , Lei Cui , Cha Zhang , Furu Wei

A large volume of research has considered the creation of predictive models for clinical data; however, much existing literature reports results using only a single source of data. In this work, we evaluate the performance of models trained…

Machine Learning · Computer Science 2018-12-07 Alistair E. W. Johnson , Tom J. Pollard , Tristan Naumann

An intelligent machine that can answer human questions based on electronic health records (EHR-QA) has a great practical value, such as supporting clinical decisions, managing hospital administration, and medical chatbots. Previous…

Computation and Language · Computer Science 2021-11-30 Seongsu Bae , Daeyoung Kim , Jiho Kim , Edward Choi

When trying to answer complex questions, people often rely on multiple sources of information, such as visual, textual, and tabular data. Previous approaches to this problem have focused on designing input features or model structure in the…

Computation and Language · Computer Science 2023-06-30 Bowen Yu , Cheng Fu , Haiyang Yu , Fei Huang , Yongbin Li