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The field of Knowledge Tracing is focused on predicting the success rate of a student for a given skill. Modern methods like Deep Knowledge Tracing provide accurate estimates given enough data, but being based on neural networks they…

Machine Learning · Statistics 2025-01-20 Hildo Bijl

As an efficient model for knowledge organization, the knowledge graph has been widely adopted in several fields, e.g., biomedicine, sociology, and education. And there is a steady trend of learning embedding representations of knowledge…

Computation and Language · Computer Science 2024-04-01 Siyu Yao , Ruijie Wang , Shen Sun , Derui Bu , Jun Liu

In complex transfer learning scenarios new tasks might not be tightly linked to previous tasks. Approaches that transfer information contained only in the final parameters of a source model will therefore struggle. Instead, transfer…

Machine Learning · Computer Science 2019-03-25 Sebastian Flennerhag , Pablo G. Moreno , Neil D. Lawrence , Andreas Damianou

Although different learning systems are coordinated to afford complex behavior, little is known about how this occurs. This article describes a theoretical framework that specifies how complex behaviors that might be thought to require…

Artificial Intelligence · Computer Science 2015-03-27 Yanping Liu , Erik D. Reichle

Practising and honing skills forms a fundamental component of how humans learn, yet artificial agents are rarely specifically trained to perform them. Instead, they are usually trained end-to-end, with the hope being that useful skills will…

Machine Learning · Computer Science 2022-08-17 Michael Matthews , Mikayel Samvelyan , Jack Parker-Holder , Edward Grefenstette , Tim Rocktäschel

Hierarchical text classification, which aims to classify text documents into a given hierarchy, is an important task in many real-world applications. Recently, deep neural models are gaining increasing popularity for text classification due…

Computation and Language · Computer Science 2019-01-01 Yu Meng , Jiaming Shen , Chao Zhang , Jiawei Han

Feature Learning aims to extract relevant information contained in data sets in an automated fashion. It is driving force behind the current deep learning trend, a set of methods that have had widespread empirical success. What is lacking…

Machine Learning · Statistics 2015-04-02 Brendan van Rooyen , Robert C. Williamson

Video recognition remains an open challenge, requiring the identification of diverse content categories within videos. Mainstream approaches often perform flat classification, overlooking the intrinsic hierarchical structure relating…

Computer Vision and Pattern Recognition · Computer Science 2024-05-29 Rui Zhang , Shuailong Li , Junxiao Xue , Feng Lin , Qing Zhang , Xiao Ma , Xiaoran Yan

Curriculum Learning for Reinforcement Learning is an increasingly popular technique that involves training an agent on a sequence of intermediate tasks, called a Curriculum, to increase the agent's performance and learning speed. This paper…

Machine Learning · Computer Science 2021-11-02 Andrea Bassich , Francesco Foglino , Matteo Leonetti , Daniel Kudenko

We consider the problem of unsupervised skill segmentation and hierarchical structure discovery in reinforcement learning. While recent approaches have sought to segment trajectories into reusable skills or options, most rely on action…

Machine Learning · Computer Science 2026-05-29 Damion Harvey , Geraud Nangue Tasse , Benjamin Rosman , Branden Ingram , Steven James

Hierarchical reinforcement learning has demonstrated significant success at solving difficult reinforcement learning (RL) tasks. Previous works have motivated the use of hierarchy by appealing to a number of intuitive benefits, including…

Machine Learning · Computer Science 2020-01-01 Ofir Nachum , Haoran Tang , Xingyu Lu , Shixiang Gu , Honglak Lee , Sergey Levine

We study the benefit of sharing representations among tasks to enable the effective use of deep neural networks in Multi-Task Reinforcement Learning. We leverage the assumption that learning from different tasks, sharing common properties,…

Machine Learning · Computer Science 2024-01-19 Carlo D'Eramo , Davide Tateo , Andrea Bonarini , Marcello Restelli , Jan Peters

Recently, deep learning has achieved very promising results in visual object tracking. Deep neural networks in existing tracking methods require a lot of training data to learn a large number of parameters. However, training data is not…

Computer Vision and Pattern Recognition · Computer Science 2018-01-09 Li Wang , Ting Liu , Bing Wang , Xulei Yang , Gang Wang

Decision-making in complex, continuous multi-task environments is often hindered by the difficulty of obtaining accurate models for planning and the inefficiency of learning purely from trial and error. While precise environment dynamics…

Machine Learning · Computer Science 2025-03-20 Jeff Jewett , Sandhya Saisubramanian

Recently, motion generation by machine learning has been actively researched to automate various tasks. Imitation learning is one such method that learns motions from data collected in advance. However, executing long-term tasks remains…

Robotics · Computer Science 2022-03-17 Kazuki Hayashi , Sho Sakaino , Toshiaki Tsuji

Nowadays, learning increasingly involves the usage of search engines and web resources. The related interdisciplinary research field search as learning aims to understand how people learn on the web. Previous work has investigated several…

Information Retrieval · Computer Science 2024-01-11 Wolfgang Gritz , Anett Hoppe , Ralph Ewerth

State-of-the-art recommendation algorithms -- especially the collaborative filtering (CF) based approaches with shallow or deep models -- usually work with various unstructured information sources for recommendation, such as textual…

Information Retrieval · Computer Science 2018-09-18 Yongfeng Zhang , Qingyao Ai , Xu Chen , Pengfei Wang

Sequence classification is the supervised learning task of building models that predict class labels of unseen sequences of symbols. Although accuracy is paramount, in certain scenarios interpretability is a must. Unfortunately, such…

Machine Learning · Computer Science 2020-06-26 Severin Gsponer , Luca Costabello , Chan Le Van , Sumit Pai , Christophe Gueret , Georgiana Ifrim , Freddy Lecue

Knowledge Tracing (KT) diagnoses students' concept mastery through continuous learning state monitoring in education.Existing methods primarily focus on studying behavioral sequences based on ID or textual information.While existing methods…

Artificial Intelligence · Computer Science 2026-02-27 Xingcheng Fu , Shengpeng Wang , Yisen Gao , Xianxian Li , Chunpei Li , Qingyun Sun , Dongran Yu

In many real-world scenarios, such as gas leak detection or environmental pollutant tracking, solving the Inverse Source Localization and Characterization problem involves navigating complex, dynamic fields with sparse and noisy…

Machine Learning · Computer Science 2025-01-23 Yiwei Shi , Mengyue Yang , Qi Zhang , Weinan Zhang , Cunjia Liu , Weiru Liu
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