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The problem of catastrophic forgetting occurs in deep learning models trained on multiple databases in a sequential manner. Recently, generative replay mechanisms (GRM), have been proposed to reproduce previously learned knowledge aiming to…

Computer Vision and Pattern Recognition · Computer Science 2020-07-21 Fei Ye , Adrian G. Bors

Existing sequential recommendation methods rely on large amounts of training data and usually suffer from the data sparsity problem. To tackle this, the pre-training mechanism has been widely adopted, which attempts to leverage large-scale…

Information Retrieval · Computer Science 2021-02-23 Chaojun Xiao , Ruobing Xie , Yuan Yao , Zhiyuan Liu , Maosong Sun , Xu Zhang , Leyu Lin

Continual learning approaches help deep neural network models adapt and learn incrementally by trying to solve catastrophic forgetting. However, whether these existing approaches, applied traditionally to image-based tasks, work with the…

Machine Learning · Computer Science 2022-06-27 Young D. Kwon , Jagmohan Chauhan , Abhishek Kumar , Pan Hui , Cecilia Mascolo

It is still challenging to build an AI system that can perform tasks that involve vision and language at human level. So far, researchers have singled out individual tasks separately, for each of which they have designed networks and…

Computer Vision and Pattern Recognition · Computer Science 2018-12-04 Duy-Kien Nguyen , Takayuki Okatani

The utility of learning a dynamics/world model of the environment in reinforcement learning has been shown in a many ways. When using neural networks, however, these models suffer catastrophic forgetting when learned in a lifelong or…

Machine Learning · Computer Science 2019-06-12 Nicholas Ketz , Soheil Kolouri , Praveen Pilly

Contrastive representation learning has emerged as a promising technique for continual learning as it can learn representations that are robust to catastrophic forgetting and generalize well to unseen future tasks. Previous work in…

Computer Vision and Pattern Recognition · Computer Science 2023-11-06 Rouzbeh Meshkinnejad , Jie Mei , Daniel Lizotte , Yalda Mohsenzadeh

We introduce end-to-end neural network based models for simulating users of task-oriented dialogue systems. User simulation in dialogue systems is crucial from two different perspectives: (i) automatic evaluation of different dialogue…

Computation and Language · Computer Science 2018-11-13 Izzeddin Gur , Dilek Hakkani-Tur , Gokhan Tur , Pararth Shah

Continual learning (CL) aims to learn a sequence of tasks without forgetting the previously acquired knowledge. However, recent CL advances are restricted to supervised continual learning (SCL) scenarios. Consequently, they are not scalable…

Machine Learning · Computer Science 2022-04-06 Divyam Madaan , Jaehong Yoon , Yuanchun Li , Yunxin Liu , Sung Ju Hwang

Despite huge success, deep networks are unable to learn effectively in sequential multitask learning settings as they forget the past learned tasks after learning new tasks. Inspired from complementary learning systems theory, we address…

Machine Learning · Computer Science 2019-06-04 Mohammad Rostami , Soheil Kolouri , Praveen K. Pilly

We propose an approach without any forgetting to continual learning for the task-aware regime, where at inference the task-label is known. By using ternary masks we can upgrade a model to new tasks, reusing knowledge from previous tasks…

Computer Vision and Pattern Recognition · Computer Science 2021-04-22 Marc Masana , Tinne Tuytelaars , Joost van de Weijer

Automated representation learning is behind many recent success stories in machine learning. It is often used to transfer knowledge learned from a large dataset (e.g., raw text) to tasks for which only a small number of training examples…

Social and Information Networks · Computer Science 2019-07-02 Shimei Pan , Tao Ding

Representation learning is a fundamental building block for analyzing entities in a database. While the existing embedding learning methods are effective in various data mining problems, their applicability is often limited because these…

Machine Learning · Computer Science 2020-09-24 Chin-Chia Michael Yeh , Dhruv Gelda , Zhongfang Zhuang , Yan Zheng , Liang Gou , Wei Zhang

Relation detection is a core step in many natural language process applications including knowledge base question answering. Previous efforts show that single-fact questions could be answered with high accuracy. However, one critical…

Computation and Language · Computer Science 2019-07-18 Peng Wu , Shujian Huang , Rongxiang Weng , Zaixiang Zheng , Jianbing Zhang , Xiaohui Yan , Jiajun Chen

Humans inherently possess generalizable visual representations that empower them to efficiently explore and interact with the environments in manipulation tasks. We advocate that such a representation automatically arises from…

Continual Learning is considered a key step toward next-generation Artificial Intelligence. Among various methods, replay-based approaches that maintain and replay a small episodic memory of previous samples are one of the most successful…

Machine Learning · Computer Science 2022-12-27 Guangji Bai , Chen Ling , Yuyang Gao , Liang Zhao

Tracing a student's knowledge growth given the past exercise answering is a vital objective in automatic tutoring systems to customize the learning experience. Yet, achieving this objective is a non-trivial task as it involves modeling the…

Computers and Society · Computer Science 2024-10-04 Seif Gad , Sherif Abdelfattah , Ghodai Abdelrahman

Supervised deep neural networks are known to undergo a sharp decline in the accuracy of older tasks when new tasks are learned, termed "catastrophic forgetting". Many state-of-the-art solutions to continual learning rely on biasing and/or…

Machine Learning · Computer Science 2020-11-11 Amanda Rios , Laurent Itti

A user can be represented as what he/she does along the history. A common way to deal with the user modeling problem is to manually extract all kinds of aggregated features over the heterogeneous behaviors, which may fail to fully represent…

Artificial Intelligence · Computer Science 2017-11-28 Chang Zhou , Jinze Bai , Junshuai Song , Xiaofei Liu , Zhengchao Zhao , Xiusi Chen , Jun Gao

Team adaptation to new cooperative tasks is a hallmark of human intelligence, which has yet to be fully realized in learning agents. Previous work on multi-agent transfer learning accommodate teams of different sizes, heavily relying on the…

Artificial Intelligence · Computer Science 2022-03-10 Rongjun Qin , Feng Chen , Tonghan Wang , Lei Yuan , Xiaoran Wu , Zongzhang Zhang , Chongjie Zhang , Yang Yu

Meta-learning is a general approach to equip machine learning models with the ability to handle few-shot scenarios when dealing with many tasks. Most existing meta-learning methods work based on the assumption that all tasks are of equal…

Machine Learning · Computer Science 2024-10-25 Zhaofeng Si , Shu Hu , Kaiyi Ji , Siwei Lyu