Meta-Learning and Few-Shot Adaptation in Foundation Models
Chapter 1: Foundations of Meta-Learning Revisited
The Meta-Learning Problem Formulation
Taxonomy of Meta-Learning Approaches
Challenges in Applying Meta-Learning to Foundation Models
Evaluation Protocols for Few-Shot Learning
Chapter 2: Advanced Gradient-Based Meta-Learning
Model-Agnostic Meta-Learning (MAML)
First-Order MAML (FOMAML) and Reptile
Implicit MAML (iMAML)
Addressing Stability and Gradient Variance
Scalability Considerations for Foundation Models
Hands-on Practical: Implementing FOMAML for Model Adaptation
Chapter 3: Advanced Metric-Based Meta-Learning
Prototypical Networks Revisited
Relation Networks for Few-Shot Learning
Matching Networks with Attention
Deep Metric Learning Techniques
Adapting Metric Learning for High-Dimensional Embeddings
Practice: Implementing Prototypical Networks with Foundation Model Embeddings
Chapter 4: Optimization Perspectives on Meta-Learning
Meta-Learning as Bilevel Optimization
Algorithms for Solving Bilevel Problems
Connections to Hyperparameter Optimization
Meta-Learning Initialization Strategies
Theoretical Convergence Analysis
Chapter 5: Few-Shot Adaptation Strategies for Foundation Models
Parameter-Efficient Fine-Tuning (PEFT) Overview
Adapter Modules for Foundation Models
Low-Rank Adaptation (LoRA)
Prompt Tuning and Prefix Tuning
Comparing PEFT and Meta-Learning Approaches
Hybrid Adaptation Strategies
Hands-on Practical: Adapting a Foundation Model using LoRA
Chapter 6: Scaling Meta-Learning Implementations
Computational Challenges of Meta-Gradients
Memory Optimization Techniques
Distributed Meta-Learning Strategies
Efficient Task Sampling and Batching
Approximation Methods for Scalability
Benchmarking Scalable Implementations
Chapter 7: Advanced Topics and Theoretical Considerations
Bayesian Meta-Learning Approaches
Continual Meta-Learning
Meta-Learning for Reinforcement Learning
Generalization Bounds in Meta-Learning
Information Theoretic Perspectives
Open Problems and Research Directions
Prompt Tuning and Prefix Tuning
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- The Power of Scale for Parameter-Efficient Prompt Tuning, Brian Lester, Rami Al-Rfou, Noah Constant, 2021 Proceedings of the 2021 Conference on Empirical Methods in Natural Language Processing (EMNLP) (Association for Computational Linguistics) DOI: 10.18653/v1/2021.emnlp-main.243 - Introduces Prompt Tuning, demonstrating its effectiveness for adapting large language models with minimal trainable parameters.
- Prefix-Tuning: Optimizing Continuous Prompts for Generation, Xiang Lisa Li, Percy Liang, 2021 Proceedings of the 59th Annual Meeting of the Association for Computational Linguistics and the 11th International Joint Conference on Natural Language Processing (Volume 1: Long Papers), Vol. 1 (Association for Computational Linguistics) DOI: 10.18653/v1/2021.acl-long.353 - Presents Prefix Tuning, a method for conditioning language models by adding trainable prefixes to attention layers, particularly effective for generation tasks.
- Scaling Down to Scale Up: A Guide to Parameter-Efficient Fine-Tuning, Vladimir Lialin, Vladislav Korablinov, Anna Kurochkin, 2023 IEEE Access, Vol. 11 (IEEE) DOI: 10.1109/ACCESS.2023.3270428 - A survey providing a broad overview of parameter-efficient fine-tuning (PEFT) techniques, including prompt and prefix tuning, and their applications.