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By searching for shared inductive biases across tasks, meta-learning promises to accelerate learning on novel tasks, but with the cost of solving a complex bilevel optimization problem. We introduce and rigorously define the trade-off…

Machine Learning · Computer Science 2021-04-15 Katelyn Gao , Ozan Sener

In this work, we consider the problem of minimizing the sum of Moreau envelopes of given functions, which has previously appeared in the context of meta-learning and personalized federated learning. In contrast to the existing theory that…

Optimization and Control · Mathematics 2023-01-18 Konstantin Mishchenko , Slavomír Hanzely , Peter Richtárik

We introduce CAMRL, the first curriculum-based asymmetric multi-task learning (AMTL) algorithm for dealing with multiple reinforcement learning (RL) tasks altogether. To mitigate the negative influence of customizing the one-off training…

Machine Learning · Computer Science 2022-11-08 Hanchi Huang , Deheng Ye , Li Shen , Wei Liu

Reinforcement learning (RL) has emerged as a powerful approach for tackling complex problems. The recent introduction of multi-objective reinforcement learning (MORL) has further expanded the scope of RL by enabling agents to make…

Machine Learning · Computer Science 2023-10-26 Florian Felten , Daniel Gareev , El-Ghazali Talbi , Grégoire Danoy

Data driven control of a continuum manipulator requires a lot of data for training but generating sufficient amount of real time data is not cost efficient. Random actuation of the manipulator can also be unsafe sometimes. Meta learning has…

Robotics · Computer Science 2024-03-28 Alok Ranjan Sahoo , Pavan Chakraborty

Model-Agnostic Meta-Learning (MAML), a model-agnostic meta-learning method, is successfully employed in NLP applications including few-shot text classification and multi-domain low-resource language generation. Many impacting factors,…

Computation and Language · Computer Science 2024-04-25 Zequn Liu , Ruiyi Zhang , Yiping Song , Wei Ju , Ming Zhang

Model agnostic meta-learning (MAML) is one of the most widely used gradient-based meta-learning, consisting of two optimization loops: an inner loop and outer loop. MAML learns the new task from meta-initialization parameters with an inner…

Machine Learning · Computer Science 2024-06-10 Jongyun Shin , Seunjin Han , Jangho Kim

Data-Free Meta-Learning (DFML) aims to derive knowledge from a collection of pre-trained models without accessing their original data, enabling the rapid adaptation to new unseen tasks. Current methods often overlook the heterogeneity among…

Machine Learning · Computer Science 2024-12-10 Yongxian Wei , Zixuan Hu , Li Shen , Zhenyi Wang , Yu Li , Chun Yuan , Dacheng Tao

The performance of gradient-based optimization strategies depends heavily on the initial weights of the parametric model. Recent works show that there exist weight initializations from which optimization procedures can find the…

Machine Learning · Computer Science 2020-01-23 Rafael Rego Drumond , Lukas Brinkmeyer , Josif Grabocka , Lars Schmidt-Thieme

Multi-objective reinforcement learning (MORL) is the generalization of standard reinforcement learning (RL) approaches to solve sequential decision making problems that consist of several, possibly conflicting, objectives. Generally, in…

Artificial Intelligence · Computer Science 2019-10-08 Xi Chen , Ali Ghadirzadeh , Mårten Björkman , Patric Jensfelt

As wireless networks grow to support more complex applications, the Open Radio Access Network (O-RAN) architecture, with its smart RAN Intelligent Controller (RIC) modules, becomes a crucial solution for real-time network data collection,…

Networking and Internet Architecture · Computer Science 2024-10-08 Fatemeh Lotfi , Fatemeh Afghah

Meta-learning enables a model to learn from very limited data to undertake a new task. In this paper, we study the general meta-learning with adversarial samples. We present a meta-learning algorithm, ADML (ADversarial Meta-Learner), which…

Machine Learning · Computer Science 2020-06-23 Chengxiang Yin , Jian Tang , Zhiyuan Xu , Yanzhi Wang

Recent state-of-the-art artificial agents lack the ability to adapt rapidly to new tasks, as they are trained exclusively for specific objectives and require massive amounts of interaction to learn new skills. Meta-reinforcement learning…

Machine Learning · Computer Science 2022-03-23 Zhenshan Bing , Lukas Knak , Fabrice Oliver Robin , Kai Huang , Alois Knoll

We introduce Hierarchical Transformers for Meta-Reinforcement Learning (HTrMRL), a powerful online meta-reinforcement learning approach. HTrMRL aims to address the challenge of enabling reinforcement learning agents to perform effectively…

Machine Learning · Computer Science 2024-02-12 Gresa Shala , André Biedenkapp , Josif Grabocka

Recent work has suggested that a good embedding is all we need to solve many few-shot learning benchmarks. Furthermore, other work has strongly suggested that Model Agnostic Meta-Learning (MAML) also works via this same method - by learning…

Machine Learning · Computer Science 2021-12-28 Brando Miranda , Yu-Xiong Wang , Sanmi Koyejo

In this paper, we introduce an alternative approach to enhancing Multi-Agent Reinforcement Learning (MARL) through the integration of domain knowledge and attention-based policy mechanisms. Our methodology focuses on the incorporation of…

Machine Learning · Computer Science 2025-04-04 Andre R Kuroswiski , Annie S Wu , Angelo Passaro

Meta-learning, which pursues an effective initialization model, has emerged as a promising approach to handling unseen tasks. However, a limitation remains to be evident when a meta-learner tries to encompass a wide range of task…

Machine Learning · Computer Science 2024-03-12 Jae-Jun Lee , Sung Whan Yoon

Meta-learning, or learning to learn, is a technique that can help to overcome resource scarcity in cross-lingual NLP problems, by enabling fast adaptation to new tasks. We apply model-agnostic meta-learning (MAML) to the task of…

Computation and Language · Computer Science 2022-03-24 Anna Langedijk , Verna Dankers , Phillip Lippe , Sander Bos , Bryan Cardenas Guevara , Helen Yannakoudakis , Ekaterina Shutova

Multi-objective reinforcement learning (MORL) is increasingly relevant due to its resemblance to real-world scenarios requiring trade-offs between multiple objectives. Catering to diverse user preferences, traditional reinforcement learning…

Machine Learning · Computer Science 2024-04-08 Junlin Lu , Patrick Mannion , Karl Mason

Bilevel reinforcement learning (RL), which features intertwined two-level problems, has attracted growing interest recently. The inherent non-convexity of the lower-level RL problem is, however, to be an impediment to developing bilevel…

Optimization and Control · Mathematics 2025-02-28 Yan Yang , Bin Gao , Ya-xiang Yuan