Challenges of meta-RL

• design a set of tasks that are interrelated
• find the inter-representation
• fast adaptation to new tasks

Papers

environment

Meta-World: A Benchmark and Evaluation for Multi-Task and Meta Reinforcement Learning

• source: PMLR 2020
• method: None
• environment:
  • object manipulation
• paper link: http://proceedings.mlr.press/v100/yu20a/yu20a.pdf
• code: https://github.com/rlworkgroup/metaworld
• interpretation:
  • https://meta-world.github.io/

model-based meta-RL

[Learning to reinforcement learn]({% post_url 2021-06-01-Learning-to-reinforcement-learn %})

• source: CogSci 2017
• method: deep meta-RL
• environment:
  • bandit problem
  • Two-step task
  • Harlow experiment
  • 3D navigation (Deepmind Lab)
• paper link: https://arxiv.org/pdf/1611.05763.pdf
• code:
  • https://github.com/Phu-archive/Learning2RL
• interpretation:

[RL^2: Fast Reinforcement Learning via Slow Reinforcement Learning]({% post_url 2021-06-02-RL2 %})

• source: ICLR 2017
• method: \(RL^2\)
• environment:
  • multi-armed bandit problem
  • tabular MDP
  • 3D navigation (ViZDoom)
• paper link: https://arxiv.org/pdf/1611.02779.pdf
• code:
  • https://github.com/mwufi/meta-rl-bandits (pytorch)
  • https://github.com/VashishtMadhavan/rl2 (tensorflow)
• interpretation:
  • https://zhuanlan.zhihu.com/p/32606591
  • https://openreview.net/forum?id=HkLXCE9lx

[Prefrontal cortex as a meta-reinforcement learning system]({% post_url 2021-06-07-prefrontal %})

• source: Nature Neuroscience 2018
• method: None
• environment:
  • Harlow learning task
• paper link: https://www.nature.com/articles/s41593-018-0147-8
• code:
• interpretation:

A Simple Neural Attentive Meta-Learner]({% post_url 2021-06-08-snail %})

• source: ICLR 2018
• method: SNAIL (simple neural attentive learner)
• environment:
  • Multi-armed bandits
  • Tabular MDPs
  • Navigation (VizDoom)
  • Robotic locomotion (Mujoco)
• paper link: https://openreview.net/pdf?id=B1DmUzWAW
• code: https://github.com/eambutu/snail-pytorch
• interpretation:
  • https://www.carsi.edu.cn/index_zh.htm

PixelSNAIL: An Improved Autoregressive Generative Model

• source: ICML 2018
• method:
• environment:
• paper link: https://arxiv.org/pdf/1712.09763v1.pdf
• code:
  • https://github.com/neocxi/pixelsnail-public
• interpretation:

Concurrent Meta Reinforcement Learning

• source: arXiv:1903.02710 preprint
• method: CMRL
• environment:
  • N-Monty-Hall
  • N-Color-Choice
  • N-Reacher (Reacher-V2 from gym)
• paper link: https://arxiv.org/pdf/1903.02710v1.pdf
• code:
• interpretation:

Reinforcement Learning, Fast and Slow

• source: Trends in Cognitive Sciences 2019
• method:
• environment:
• paper link: https://www.cell.com/trends/cognitive-sciences/fulltext/S1364-66131930061-0
• code:
• interpretation:

Improving Generalization in Meta Reinforcement Learning using Learned Objectives

• source: ICLR 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/1910.04098.pdf
• code: https://github.com/louiskirsch/metagenrl
• interpretation:

Discovering Reinforcement Learning Algorithms

• source: arXiv:2007.08794 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/2007.08794
• code:
• interpretation:

Model-based Adversarial Meta-Reinforcement Learning

• source: NeurIPS 2020
• method: AdMRL
• environment:
• paper link: https://arxiv.org/pdf/2006.08875v2.pdf
• code: https://github.com/LinZichuan/AdMRL
• interpretation:

optimization-based meta-RL

[Model-Agnostic Meta-Learning for Fast Adaptation of Deep Networks]({{ site.url }}/2021/06/03/MAML.html)

• source: ICML 2017
• method: MAML-RL
• environment:
  • 2D navigation (rllab)
  • locomotion (rllab)
• paper link: https://arxiv.org/pdf/1703.03400.pdf
• code:
  • https://github.com/cbfinn/maml_rl(tensorflow)
  • https://github.com/tristandeleu/pytorch-maml-rl
• interpretation:

[On First-Order Meta-Learning Algorithms]({{ site.url }}/2021/06/04/Reptile.html)

• source: arXiv:1803.02999 2018
• method: Reptile
• environment:
  • few-shot image classification
    • mini-ImageNet
    • Omniglot
• paper link: https://arxiv.org/pdf/1803.02999.pdf
• code:
  • https://github.com/openai/supervised-reptile
• interpretation:
  • https://openai.com/blog/reptile/
  • https://lilianweng.github.io/lil-log/2018/11/30/meta-learning.html#reptile

Meta-Reinforcement Learning of Structured Exploration Strategies

• source: NeurIPS 2018
• method: MAESN (model agnostic exploration with structured noise)
• environment:
  • robotic locomotion (rllab)
  • object manipulation
• paper link: https://arxiv.org/pdf/1802.07245.pdf
• code: https://github.com/russellmendonca/maesn_suite
• interpretation:
  • https://zhuanlan.zhihu.com/p/63072582

Some Considerations on Learning to Explore via Meta-Reinforcement Learning

• source: ICLR 2018
• method:
  • E-MAML(optimization-based)
  • E-\(RL^2\)(model-based)
• environment:
  • Krazy World
• paper link: https://arxiv.org/pdf/1803.01118v2.pdf
• code:
  • https://github.com/geyang/e-maml
• interpretation:

ProMP: Proximal Meta-Policy Search

• source: ICLR 2019
• method: ProMP
• environment:
  • locomotion(gym & Mujoco)
    • HalfCheetahFwdBack
    • AntRandDir
    • HopperRandParams
    • WalkerFwdBack
    • HumanoidRandDir
    • WalkerRandParams
• paper link: https://openreview.net/pdf?id=SkxXCi0qFX
• code: https://github.com/jonasrothfuss/promp

Efficient Off-Policy Meta-Reinforcement Learning via Probabilistic Context Variables

• source: ICML2019
• method: PEARL (probabilistic embeddings for actor-critic RL)
• environment:
  • robotic locomotion (MuJoCo, MuJoCo200, MuJoCu133)
• paper link: https://arxiv.org/pdf/1903.08254.pdf
• code: https://github.com/katerakelly/oyster
• interpretation:
  • https://bair.berkeley.edu/blog/2019/06/10/pearl/

Learning to Adapt in Dynamic, Real-World Environments Through Meta-Reinforcement Learning

• source: ICLR 2019
• method:
  • Model-Based Meta-Reinforcement Learning (train time)
  • Online Model Adaptation (test time)
• environment:
  • Mujoco
    • half cheetah:disabled joint, sloped terrain, pier
    • Ant: crippled leg
  • real world robot
• paper link: https://arxiv.org/pdf/1803.11347v6.pdf
• code:
  • https://github.com/iclavera/learning_to_adapt
• interpretation:
  • https://sites.google.com/berkeley.edu/metaadaptivecontrol

[Learning to Learn How to Learn: Self-Adaptive Visual Navigation Using Meta-Learning]({{ site.url}}/2021/06/06/savn.html)

• source: CVPR 2019
• method: savn
• environment:
  • 3D navigation (ai2thor)
• paper link: https://arxiv.org/pdf/1812.00971v2.pdf
• code:
  • https://github.com/allenai/savn
• interpretation:
  • https://zhuanlan.zhihu.com/p/154184867

Meta-Q-Learning

• source: ICLR 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/1910.00125.pdf
• code:
• interpretation:

[Decoupling Exploration and Exploitation for Meta-Reinforcement Learning without Sacrifices]({{ site.url }}/2021/06/05/dream.html)

• source: ICML 2021
• method: Dream
• environment:
  • gym-miniworld 3D navigation
• paper link: https://arxiv.org/pdf/2008.02790v2.pdf
• code:
  • https://github.com/ezliu/dream
• interpretation:
  • https://ezliu.github.io/dream/

Meta Learning via Learned Loss

• source: ICPR 2021
• method: ML^3
• environment:
• paper link: https://arxiv.org/pdf/1906.05374.pdf
• code:
• interpretation:

未分类

Alchemy: A structured task distribution for meta-reinforcement learning

• source: arXiv:2102.02926 preprint 2021
• method:
• environment:
• paper link: https://arxiv.org/pdf/2102.02926v1.pdf
• code:
  • https://github.com/deepmind/dm_alchemy
• interpretation:
  • https://deepmind.com/research/publications/alchemy

Learning Robust State Abstractions for Hidden-Parameter Block MDPs

• source: ICLR2021
• method:
• environment:
• paper link: https://arxiv.org/pdf/2007.07206v4.pdf
• code:
• interpretation:

Meta reinforcement learning as task inference

• source: arXiv:1905.06424 2019
• method:
• environment:
• paper link: https://arxiv.org/pdf/1905.06424v2.pdf
• code:
• interpretation:

MELD: Meta-Reinforcement Learning from Images via Latent State Models

• source: CoRL 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/2010.13957v2.pdf
• code:
  • https://github.com/tonyzhaozh/meld
• interpretation:
  • https://sites.google.com/view/meld-lsm

Meta Reinforcement Learning with Task Embedding and Shared Policy

• source: IJCAI 2019
• method:
• environment:
• paper link: https://arxiv.org/pdf/1905.06527v3.pdf
• code: https://github.com/llan-ml/tesp
• interpretation:

Fast Adaptive Task Offloading in Edge Computing based on Meta Reinforcement Learning

• source: ITPDS 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/2008.02033v5.pdf
• code: https://github.com/linkpark/metarl-offloading
• interpretation:

Learning Associative Inference Using Fast Weight Memory

• source: ICLR 2021
• method:
• environment:
• paper link: https://arxiv.org/pdf/2011.07831v2.pdf
• code: https://github.com/ischlag/Fast-Weight-Memory-public
• interpretation:

Few-Shot Complex Knowledge Base Question Answering via Meta Reinforcement Learning

• source: EMNLP 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/2010.15877v1.pdf
• code: https://github.com/DevinJake/MRL-CQA
• interpretation:

Meta Reinforcement Learning with Autonomous Inference of Subtask Dependencies

• source: ICLR 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/2001.00248v2.pdf
• code: https://github.com/srsohn/msgi
• interpretation:

Loaded DiCE: Trading off Bias and Variance in Any-Order Score Function Gradient Estimators for Reinforcement Learning

• source: NeurIPS 2019
• method:
• environment:
• paper link: http://papers.nips.cc/paper/9026-loaded-dice-trading-off-bias-and-variance-in-any-order-score-function-gradient-estimators-for-reinforcement-learning.pdf
• code: https://github.com/oxwhirl/loaded-dice
• interpretation:

Causal Reasoning from Meta-reinforcement Learning

• source: ICLR 2019
• method:
• environment:
• paper link: https://arxiv.org/pdf/1901.08162v1.pdf
• code: https://github.com/kantneel/causal-metarl
• interpretation:

Introducing Neuromodulation in Deep Neural Networks to Learn Adaptive Behaviours

• source: arXiv:1812.09113 preprint 2019
• method:
• environment:
• paper link: https://arxiv.org/pdf/1812.09113v3.pdf
• code: https://github.com/nvecoven/nmd_net
• interpretation:

Policy Gradient RL Algorithms as Directed Acyclic Graphs

• source: arXiv:2012.07763 preprint 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/2012.07763v2.pdf
• code: https://github.com/jjgarau/DAGPolicyGradient
• interpretation:

Evolving Inborn Knowledge For Fast Adaptation in Dynamic POMDP Problems

• source: GECCO 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/2004.12846v2.pdf
• code: https://github.com/dlpbc/penn-a
• interpretation:

Model-Based Meta-Reinforcement Learning for Flight with Suspended Payloads

• source: RA-L 2021
• method:
• environment:
• paper link: https://arxiv.org/pdf/2004.11345v2.pdf
• code: https://github.com/suneelbelkhale/model-based-meta-rl-for-flight
• interpretation:

Hierarchical Meta Reinforcement Learning for Multi-Task Environments

• source: ICLR 2021
• method:
• environment:
• paper link: https://openreview.net/pdf?id=u9ax42K7ND
• code: https://github.com/MeSH-ICLR/MEtaSoftHierarchy
• interpretation:

Modeling and Optimization Trade-off in Meta-learning

• source: NeurIPS 2020
• method:
• environment:
• paper link: https://arxiv.org/pdf/2010.12916v2.pdf
• code: https://github.com/intel-isl/MetaLearningTradeoffs
• interpretation:

Meta-Learning of Structured Task Distributions in Humans and Machines

• source: ICLR 2021
• method:
• environment:
• paper link: https://arxiv.org/pdf/2010.02317v3.pdf
• code: https://github.com/sreejank/Compositional_MetaRL
• interpretation:

Offline Meta Learning of Exploration

• source: arXiv:2008.02598 preprint 2021
• method:
• environment:
• paper link: https://arxiv.org/pdf/2008.02598v3.pdf
• code: https://github.com/Rondorf/BOReL
• interpretation:

Meta-Reinforcement Learning for Reliable Communication in THz/VLC Wireless VR Networks

• source: ICC 2021
• method:
• environment:
• paper link: https://arxiv.org/pdf/2102.12277v1.pdf
• code: https://github.com/wyy0206/THzVR
• interpretation: