activity
20182026
most citedPolicy Optimization via Importance Sampling

19 citations · 46 across the 22 of their papers we have counts for

collaborators

23 papers

cs.AI2026

COrigami: An AI Pipeline for Co-Designing Flat-Foldable Visually Recognisable Origami

Tom Zahavy, Shaobo Hou, Thomas Tumiel +16

While generative AI has achieved remarkable success in solving problems with verifiable solutions, generating physical art that satisfies both strict geometric constraints and subj…

cs.LG2025

Curious Causality-Seeking Agents Learn Meta Causal World

Zhiyu Zhao, Haoxuan Li, Haifeng Zhang +4

When building a world model, a common assumption is that the environment has a single, unchanging underlying causal rule, like applying Newton's laws to every situation. In reality…

stat.ML2025★ 1 cited

On the Convergence and Stability of Upside-Down Reinforcement Learning, Goal-Conditioned Supervised Learning, and Online Decision Transformers

Miroslav Štrupl, Oleg Szehr, Francesco Faccio +3

This article provides a rigorous analysis of convergence and stability of Episodic Upside-Down Reinforcement Learning, Goal-Conditioned Supervised Learning and Online Decision Tran…

cs.LG2025

Upside Down Reinforcement Learning with Policy Generators

Jacopo Di Ventura, Dylan R. Ashley, Vincent Herrmann +2

Upside Down Reinforcement Learning (UDRL) is a promising framework for solving reinforcement learning problems which focuses on learning command-conditioned policies. In this work,…

cs.AI2024

How to Correctly do Semantic Backpropagation on Language-based Agentic Systems

Wenyi Wang, Hisham A. Alyahya, Dylan R. Ashley +4

Language-based agentic systems have shown great promise in recent years, transitioning from solving small-scale research problems to being deployed in challenging real-world tasks.…

cs.LG2024

Highway Value Iteration Networks

Yuhui Wang, Weida Li, Francesco Faccio +2

Value iteration networks (VINs) enable end-to-end learning for planning tasks by employing a differentiable "planning module" that approximates the value iteration algorithm. Howev…

cs.LG2024

Scaling Value Iteration Networks to 5000 Layers for Extreme Long-Term Planning

Yuhui Wang, Qingyuan Wu, Dylan R. Ashley +4

The Value Iteration Network (VIN) is an end-to-end differentiable neural network architecture for planning. It exhibits strong generalization to unseen domains by incorporating a d…

cs.LG2024

Highway Reinforcement Learning

Yuhui Wang, Miroslav Strupl, Francesco Faccio +5

Learning from multi-step off-policy data collected by a set of policies is a core problem of reinforcement learning (RL). Approaches based on importance sampling (IS) often suffer…

cs.RO2024

Towards a Robust Soft Baby Robot With Rich Interaction Ability for Advanced Machine Learning Algorithms

Mohannad Alhakami, Dylan R. Ashley, Joel Dunham +4

Advanced machine learning algorithms require platforms that are extremely robust and equipped with rich sensory feedback to handle extensive trial-and-error learning without relyin…

cs.CV2024★ 2 cited

Faster Diffusion via Temporal Attention Decomposition

Haozhe Liu, Wentian Zhang, Jinheng Xie +6

We explore the role of attention mechanism during inference in text-conditional diffusion models. Empirical observations suggest that cross-attention outputs converge to a fixed po…

cs.LG2024★ 1 cited

Learning Useful Representations of Recurrent Neural Network Weight Matrices

Vincent Herrmann, Francesco Faccio, Jürgen Schmidhuber

Recurrent Neural Networks (RNNs) are general-purpose parallel-sequential computers. The program of an RNN is its weight matrix. How to learn useful representations of RNN weights t…

cs.AI2024★ 2 cited

Language Agents as Optimizable Graphs

Mingchen Zhuge, Wenyi Wang, Louis Kirsch +3

Various human-designed prompt engineering techniques have been proposed to improve problem solvers based on Large Language Models (LLMs), yielding many disparate code bases. We uni…

cs.LG2023★ 2 cited

The Languini Kitchen: Enabling Language Modelling Research at Different Scales of Compute

Aleksandar Stanić, Dylan Ashley, Oleg Serikov +5

The Languini Kitchen serves as both a research collective and codebase designed to empower researchers with limited computational resources to contribute meaningfully to the field…

cs.CV2023

Learning to Identify Critical States for Reinforcement Learning from Videos

Haozhe Liu, Mingchen Zhuge, Bing Li +4

Recent work on deep reinforcement learning (DRL) has pointed out that algorithmic information about good policies can be extracted from offline data which lack explicit information…

cs.AI2023★ 8 cited

Mindstorms in Natural Language-Based Societies of Mind

Mingchen Zhuge, Haozhe Liu, Francesco Faccio +23

Both Minsky's "society of mind" and Schmidhuber's "learning to think" inspire diverse societies of large multimodal neural networks (NNs) that solve problems by interviewing each o…

cs.LG2022★ 1 cited

Goal-Conditioned Generators of Deep Policies

Francesco Faccio, Vincent Herrmann, Aditya Ramesh +2

Goal-conditioned Reinforcement Learning (RL) aims at learning optimal policies, given goals encoded in special command inputs. Here we study goal-conditioned neural nets (NNs) that…

cs.LG2022★ 3 cited

General Policy Evaluation and Improvement by Learning to Identify Few But Crucial States

Francesco Faccio, Aditya Ramesh, Vincent Herrmann +2

Learning to evaluate and improve policies is a core problem of Reinforcement Learning (RL). Traditional RL algorithms learn a value function defined for a single policy. A recently…

cs.LG2022★ 5 cited

Neural Differential Equations for Learning to Program Neural Nets Through Continuous Learning Rules

Kazuki Irie, Francesco Faccio, Jürgen Schmidhuber

Neural ordinary differential equations (ODEs) have attracted much attention as continuous-time counterparts of deep residual neural networks (NNs), and numerous extensions for recu…

stat.ML2022★ 1 cited

Upside-Down Reinforcement Learning Can Diverge in Stochastic Environments With Episodic Resets

Miroslav Štrupl, Francesco Faccio, Dylan R. Ashley +2

Upside-Down Reinforcement Learning (UDRL) is an approach for solving RL problems that does not require value functions and uses only supervised learning, where the targets for give…

q-bio.NC2021

Bayesian brains and the Rényi divergence

Noor Sajid, Francesco Faccio, Lancelot Da Costa +3

Under the Bayesian brain hypothesis, behavioural variations can be attributed to different priors over generative model parameters. This provides a formal explanation for why indiv…

stat.ML2021

Reward-Weighted Regression Converges to a Global Optimum

Miroslav Štrupl, Francesco Faccio, Dylan R. Ashley +2

Reward-Weighted Regression (RWR) belongs to a family of widely known iterative Reinforcement Learning algorithms based on the Expectation-Maximization framework. In this family, le…

cs.LG2020★ 1 cited

Parameter-Based Value Functions

Francesco Faccio, Louis Kirsch, Jürgen Schmidhuber

Traditional off-policy actor-critic Reinforcement Learning (RL) algorithms learn value functions of a single target policy. However, when value functions are updated to track the l…

cs.LG2018★ 19 cited

Policy Optimization via Importance Sampling

Alberto Maria Metelli, Matteo Papini, Francesco Faccio +1

Policy optimization is an effective reinforcement learning approach to solve continuous control tasks. Recent achievements have shown that alternating online and offline optimizati…