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Generative Flow Networks (GFlowNets) have emerged as a powerful paradigm for generating composite structures, demonstrating considerable promise across diverse applications. While substantial progress has been made in exploring their…

机器学习 · 计算机科学 2025-05-06 Tianshu Yu

We present GFlowState, a visual analytics system designed to illuminate the training process of Generative Flow Networks (GFlowNets or GFNs). GFlowNets are a probabilistic framework for generating samples proportionally to a reward…

机器学习 · 计算机科学 2026-04-24 Florian Holeczek , Andreas Hinterreiter , Alex Hernandez-Garcia , Marc Streit , Christina Humer

The Generative Flow Network is a probabilistic framework where an agent learns a stochastic policy for object generation, such that the probability of generating an object is proportional to a given reward function. Its effectiveness has…

机器学习 · 计算机科学 2022-10-10 Ling Pan , Dinghuai Zhang , Aaron Courville , Longbo Huang , Yoshua Bengio

Generative Flow Networks (GFlowNets; GFNs) are a family of energy-based generative methods for combinatorial objects, capable of generating diverse and high-utility samples. However, consistently biasing GFNs towards producing high-utility…

机器学习 · 计算机科学 2024-11-04 Elaine Lau , Stephen Zhewen Lu , Ling Pan , Doina Precup , Emmanuel Bengio

Generative Flow Networks (GFlowNets) are a family of probabilistic generative models that learn to sample compositional objects proportional to their rewards. One big challenge of GFlowNets is training them effectively when dealing with…

机器学习 · 计算机科学 2025-06-16 Zarif Ikram , Ling Pan , Dianbo Liu

Generative flow networks (GFlowNets) are amortized variational inference algorithms that treat sampling from a distribution over compositional objects as a sequential decision-making problem with a learnable action policy. Unlike other…

Generative Flow Networks or GFlowNets are related to Monte-Carlo Markov chain methods (as they sample from a distribution specified by an energy function), reinforcement learning (as they learn a policy to sample composed objects through a…

机器学习 · 计算机科学 2023-06-21 Ling Pan , Nikolay Malkin , Dinghuai Zhang , Yoshua Bengio

Generative Flow Networks (GFlowNets) are a class of generative models that sample objects in proportion to a specified reward function through a learned policy. They can be trained either on-policy or off-policy, needing a balance between…

机器学习 · 计算机科学 2025-03-04 Dominic Phillips , Flaviu Cipcigan

Generative Flow Networks (or GFlowNets for short) are a family of probabilistic agents that learn to sample complex combinatorial structures through the lens of "inference as control". They have shown great potential in generating…

机器学习 · 计算机科学 2023-06-27 Ling Pan , Dinghuai Zhang , Moksh Jain , Longbo Huang , Yoshua Bengio

Generative Flow Networks (GFlowNets, GFNs) are a generative framework for learning unnormalized probability mass functions over discrete spaces. Since their inception, GFlowNets have proven to be useful for learning generative models in…

机器学习 · 计算机科学 2025-04-17 Lazar Atanackovic , Emmanuel Bengio

Generative Flow Networks (GFlowNets) are powerful samplers for compositional objects that, by design, sample proportionally to a given non-negative reward. Nonetheless, in practice, they often struggle to explore the reward landscape…

Generative Flow Networks (GFlowNets) are a novel class of generative models designed to sample from unnormalized distributions and have found applications in various important tasks, attracting great research interest in their training…

机器学习 · 计算机科学 2024-10-04 Rui Hu , Yifan Zhang , Zhuoran Li , Longbo Huang

The use of guidance to steer sampling toward desired outcomes has been widely explored within diffusion models, especially in applications such as image and trajectory generation. However, incorporating guidance during training remains…

机器学习 · 计算机科学 2025-05-21 Marvin Alles , Nutan Chen , Patrick van der Smagt , Botond Cseke

Generative Flow Networks (GFlowNets) are amortized sampling methods that learn a distribution over discrete objects proportional to their rewards. GFlowNets exhibit a remarkable ability to generate diverse samples, yet occasionally struggle…

机器学习 · 计算机科学 2024-03-26 Minsu Kim , Taeyoung Yun , Emmanuel Bengio , Dinghuai Zhang , Yoshua Bengio , Sungsoo Ahn , Jinkyoo Park

Generative flow networks (GFlowNets) are amortized variational inference algorithms that are trained to sample from unnormalized target distributions over compositional objects. A key limitation of GFlowNets until this time has been that…

Generative flow networks utilize a flow-matching loss to learn a stochastic policy for generating objects from a sequence of actions, such that the probability of generating a pattern can be proportional to the corresponding given reward.…

机器学习 · 计算机科学 2025-09-26 Leo Maxime Brunswic , Haozhi Wang , Shuang Luo , Jianye Hao , Amir Rasouli , Yinchuan Li

Generative flow networks (GFNs) are a class of models for sequential sampling of composite objects, which approximate a target distribution that is defined in terms of an energy function or a reward. GFNs are typically trained using a flow…

Generative Flow Networks (GFlowNets) offer a powerful framework for sampling graphs in proportion to their rewards. However, existing approaches suffer from systematic biases due to inaccuracies in state transition probability computations.…

机器学习 · 统计学 2025-10-17 Hohyun Kim , Seunggeun Lee , Min-hwan Oh

The scalability of pool-based active learning is limited by the computational cost of evaluating large unlabeled datasets, a challenge that is particularly acute in virtual screening for drug discovery. While active learning strategies such…

机器学习 · 计算机科学 2025-09-03 Renfei Zhang , Mohit Pandey , Artem Cherkasov , Martin Ester

Generative Flow Networks (GFlowNets) are a flexible family of amortized samplers trained to generate discrete and compositional objects with probability proportional to a reward function. However, learning efficiency is constrained by the…

机器学习 · 计算机科学 2026-02-23 Pedro Dall'Antonia , Tiago da Silva , Daniel Csillag , Salem Lahlou , Diego Mesquita