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Tasks where the set of possible actions depend discontinuously on the state pose a significant challenge for current reinforcement learning algorithms. For example, a locked door must be first unlocked, and then the handle turned before the…

机器人学 · 计算机科学 2023-03-09 Mrinal Verghese , Chris Atkeson

Catastrophic forgetting (CF) occurs when a neural network loses the information previously learned while training on a set of samples from a different distribution, i.e., a new task. Existing approaches have achieved remarkable results in…

机器学习 · 计算机科学 2022-09-13 Jary Pomponi , Simone Scardapane , Aurelio Uncini

Deep neural networks have shown promise in several domains, and the learned data (task) specific information is implicitly stored in the network parameters. Extraction and utilization of encoded knowledge representations are vital when data…

Learning to derive subgoals reduces the gap between experts and students and makes students prepared for future problem solving. Researchers have explored subgoal labeled instructional materials with explanations in traditional problem…

计算机与社会 · 计算机科学 2022-08-10 Preya Shabrina , Behrooz Mostafavi , Mark Abdelshiheed , Min Chi , Tiffany Barnes

This paper presents a meta-learning framework for credit risk assessment of Italian Small and Medium Enterprises (SMEs) that explicitly addresses the temporal misalignment of credit scoring models. The approach aligns financial statement…

风险管理 · 定量金融 2026-01-13 O. Didkovskyi , A. Vidali , N. Jean , G. Le Pera

Teaching an agent to perform new tasks using natural language can easily be hindered by ambiguities in interpretation. When a teacher provides an instruction to a learner about an object by referring to its features, the learner can…

机器学习 · 计算机科学 2023-09-28 Hugo Caselles-Dupré , Olivier Sigaud , Mohamed Chetouani

Most continual learning (CL) algorithms have focused on tackling the stability-plasticity dilemma, that is, the challenge of preventing the forgetting of previous tasks while learning new ones. However, they have overlooked the impact of…

机器学习 · 计算机科学 2023-03-22 Donggyu Lee , Sangwon Jung , Taesup Moon

Transferring high-level knowledge from a source task to a target task is an effective way to expedite reinforcement learning (RL). For example, propositional logic and first-order logic have been used as representations of such knowledge.…

人工智能 · 计算机科学 2019-09-11 Zhe Xu , Ufuk Topcu

Sequential learning of multiple tasks in artificial neural networks using gradient descent leads to catastrophic forgetting, whereby previously learned knowledge is erased during learning of new, disjoint knowledge. Here, we propose a new…

机器学习 · 计算机科学 2018-05-22 Shixian Wen , Laurent Itti

General-purpose learning systems should improve themselves in open-ended fashion in ever-changing environments. Conventional learning algorithms for neural networks, however, suffer from catastrophic forgetting (CF), i.e., previously…

机器学习 · 计算机科学 2025-02-18 Kazuki Irie , Róbert Csordás , Jürgen Schmidhuber

Standard approaches to sequential decision-making exploit an agent's ability to continually interact with its environment and improve its control policy. However, due to safety, ethical, and practicality constraints, this type of…

机器学习 · 计算机科学 2023-05-11 Patrick Emedom-Nnamdi , Abram L. Friesen , Bobak Shahriari , Nando de Freitas , Matt W. Hoffman

Federated- and Continual Learning have been established as approaches to enable privacy-aware learning on continuously changing data, as required for deploying AI systems in histopathology images. However, data shifts can occur in a dynamic…

机器学习 · 计算机科学 2025-01-09 Niklas Babendererde , Haozhe Zhu , Moritz Fuchs , Jonathan Stieber , Anirban Mukhopadhyay

Associative memory has long underpinned the design of sequential models. Beyond recall, humans reason by projecting future states and selecting goal-directed actions, a capability that modern language models increasingly require but do not…

机器学习 · 计算机科学 2026-03-11 Peihao Wang , Shan Yang , Xijun Wang , Tesi Xiao , Xin Liu , Changlong Yu , Yu Lou , Pan Li , Zhangyang Wang , Ming Lin , René Vidal

The backpropagation method has enabled transformative uses of neural networks. Alternatively, for energy-based models, local learning methods involving only nearby neurons offer benefits in terms of decentralized training, and allow for the…

无序系统与神经网络 · 物理学 2025-01-30 Martin J. Falk , Adam T. Strupp , Benjamin Scellier , Arvind Murugan

Self-supervised pretraining has been extensively studied in language and vision domains, where a unified model can be easily adapted to various downstream tasks by pretraining representations without explicit labels. When it comes to…

机器学习 · 计算机科学 2023-01-25 Yanchao Sun , Shuang Ma , Ratnesh Madaan , Rogerio Bonatti , Furong Huang , Ashish Kapoor

Inspired by the human learning and memory system, particularly the interplay between the hippocampus and cerebral cortex, this study proposes a dual-learner framework comprising a fast learner and a meta learner to address continual…

机器学习 · 计算机科学 2026-03-03 Ke Sun , Hongming Zhang , Jun Jin , Chao Gao , Xi Chen , Wulong Liu , Linglong Kong

In visual retrieval systems, updating the embedding model requires recomputing features for every piece of data. This expensive process is referred to as backfilling. Recently, the idea of backward compatible training (BCT) was proposed. To…

计算机视觉与模式识别 · 计算机科学 2022-03-31 Vivek Ramanujan , Pavan Kumar Anasosalu Vasu , Ali Farhadi , Oncel Tuzel , Hadi Pouransari

The Forward-Forward Learning (FFL) algorithm is a recently proposed solution for training neural networks without needing memory-intensive backpropagation. During training, labels accompany input data, classifying them as positive or…

机器学习 · 计算机科学 2024-05-22 Ali Karkehabadi , Houman Homayoun , Avesta Sasan

Continual learning-the ability to learn many tasks in sequence-is critical for artificial learning systems. Yet standard training methods for deep networks often suffer from catastrophic forgetting, where learning new tasks erases knowledge…

机器学习 · 统计学 2021-07-12 Sebastian Lee , Sebastian Goldt , Andrew Saxe

The ability to sequentially learn multiple tasks without forgetting is a key skill of biological brains, whereas it represents a major challenge to the field of deep learning. To avoid catastrophic forgetting, various continual learning…

神经与进化计算 · 计算机科学 2022-12-09 Francesco Lässig , Pau Vilimelis Aceituno , Martino Sorbaro , Benjamin F. Grewe