activity
20202023
most citedHEBO Pushing The Limits of Sample-Efficient Hyperparameter Optimisation

19 citations · 150 across the 48 of their papers we have counts for

collaborators

49 papers

cs.IR2023

Uncertainty-aware Consistency Learning for Cold-Start Item Recommendation

Taichi Liu, Chen Gao, Zhenyu Wang +4

Graph Neural Network (GNN)-based models have become the mainstream approach for recommender systems. Despite the effectiveness, they are still suffering from the cold-start problem…

cs.NE2023

BiERL: A Meta Evolutionary Reinforcement Learning Framework via Bilevel Optimization

Junyi Wang, Yuanyang Zhu, Zhi Wang +3

Evolutionary reinforcement learning (ERL) algorithms recently raise attention in tackling complex reinforcement learning (RL) problems due to high parallelism, while they are prone…

cs.LG2023★ 10 cited

ChiPFormer: Transferable Chip Placement via Offline Decision Transformer

Yao Lai, Jinxin Liu, Zhentao Tang +3

Placement is a critical step in modern chip design, aiming to determine the positions of circuit modules on the chip canvas. Recent works have shown that reinforcement learning (RL…

cs.LG2023

Exploiting Counter-Examples for Active Learning with Partial labels

Fei Zhang, Yunjie Ye, Lei Feng +6

This paper studies a new problem, \emph{active learning with partial labels} (ALPL). In this setting, an oracle annotates the query samples with partial labels, relaxing the oracle…

cs.CL2023

VOLTA: Improving Generative Diversity by Variational Mutual Information Maximizing Autoencoder

Yueen Ma, Dafeng Chi, Jingjing Li +3

The natural language generation domain has witnessed great success thanks to Transformer models. Although they have achieved state-of-the-art generative quality, they often neglect…

cs.LG2023★ 2 cited

MetaDiffuser: Diffusion Model as Conditional Planner for Offline Meta-RL

Fei Ni, Jianye Hao, Yao Mu +4

Recently, diffusion model shines as a promising backbone for the sequence modeling paradigm in offline reinforcement learning(RL). However, these works mostly lack the generalizati…

cs.LG2023★ 3 cited

GFlowNets with Human Feedback

Yinchuan Li, Shuang Luo, Yunfeng Shao +1

We propose the GFlowNets with Human Feedback (GFlowHF) framework to improve the exploration ability when training AI models. For tasks where the reward is unknown, we fit the rewar…

cs.IR2023★ 1 cited

Structure Aware Incremental Learning with Personalized Imitation Weights for Recommender Systems

Yuening Wang, Yingxue Zhang, Antonios Valkanas +4

Recommender systems now consume large-scale data and play a significant role in improving user experience. Graph Neural Networks (GNNs) have emerged as one of the most effective re…

cs.LG2023★ 1 cited

Learnable Behavior Control: Breaking Atari Human World Records via Sample-Efficient Behavior Selection

Jiajun Fan, Yuzheng Zhuang, Yuecheng Liu +5

The exploration problem is one of the main challenges in deep reinforcement learning (RL). Recent promising works tried to handle the problem with population-based methods, which c…

cs.CV2023★ 1 cited

Generalized Universal Domain Adaptation with Generative Flow Networks

Didi Zhu, Yinchuan Li, Yunfeng Shao +5

We introduce a new problem in unsupervised domain adaptation, termed as Generalized Universal Domain Adaptation (GUDA), which aims to achieve precise prediction of all target label…

cs.LG2023★ 1 cited

Generative Flow Networks for Precise Reward-Oriented Active Learning on Graphs

Yinchuan Li, Zhigang Li, Wenqian Li +3

Many score-based active learning methods have been successfully applied to graph-structured data, aiming to reduce the number of labels and achieve better performance of graph neur…

cs.CV2023★ 3 cited

Traj-MAE: Masked Autoencoders for Trajectory Prediction

Hao Chen, Jiaze Wang, Kun Shao +5

Trajectory prediction has been a crucial task in building a reliable autonomous driving system by anticipating possible dangers. One key issue is to generate consistent trajectory…

cs.LG2023★ 10 cited

Out-of-distribution Detection with Implicit Outlier Transformation

Qizhou Wang, Junjie Ye, Feng Liu +5

Outlier exposure (OE) is powerful in out-of-distribution (OOD) detection, enhancing detection capability via model fine-tuning with surrogate OOD data. However, surrogate data typi…

cs.LG2023★ 1 cited

DR-Label: Improving GNN Models for Catalysis Systems by Label Deconstruction and Reconstruction

Bowen Wang, Chen Liang, Jiaze Wang +7

Attaining the equilibrium state of a catalyst-adsorbate system is key to fundamentally assessing its effective properties, such as adsorption energy. Machine learning methods with…

cs.LG2023★ 4 cited

DAG Matters! GFlowNets Enhanced Explainer For Graph Neural Networks

Wenqian Li, Yinchuan Li, Zhigang Li +2

Uncovering rationales behind predictions of graph neural networks (GNNs) has received increasing attention over the years. Existing literature mainly focus on selecting a subgraph,…

cs.LG2023★ 6 cited

CFlowNets: Continuous Control with Generative Flow Networks

Yinchuan Li, Shuang Luo, Haozhi Wang +1

Generative flow networks (GFlowNets), as an emerging technique, can be used as an alternative to reinforcement learning for exploratory control tasks. GFlowNet aims to generate dis…

cs.LG2023

The Ladder in Chaos: A Simple and Effective Improvement to General DRL Algorithms by Policy Path Trimming and Boosting

Hongyao Tang, Min Zhang, Jianye Hao

Knowing the learning dynamics of policy is significant to unveiling the mysteries of Reinforcement Learning (RL). It is especially crucial yet challenging to Deep RL, from which th…

cs.NI2023

Neighbor Auto-Grouping Graph Neural Networks for Handover Parameter Configuration in Cellular Network

Mehrtash Mehrabi, Walid Masoudimansour, Yingxue Zhang +5

The mobile communication enabled by cellular networks is the one of the main foundations of our modern society. Optimizing the performance of cellular networks and providing massiv…

cs.LG2023

Spectral Augmentations for Graph Contrastive Learning

Amur Ghose, Yingxue Zhang, Jianye Hao +1

Contrastive learning has emerged as a premier method for learning representations with or without supervision. Recent studies have shown its utility in graph representation learnin…

cs.LG2023

Reweighted Interacting Langevin Diffusions: an Accelerated Sampling Methodfor Optimization

Junlong Lyu, Zhitang Chen, Wenlong Lyu +1

We proposed a new technique to accelerate sampling methods for solving difficult optimization problems. Our method investigates the intrinsic connection between posterior distribut…

cs.LG2023★ 2 cited

Transformer in Transformer as Backbone for Deep Reinforcement Learning

Hangyu Mao, Rui Zhao, Hao Chen +5

Designing better deep networks and better reinforcement learning (RL) algorithms are both important for deep RL. This work focuses on the former. Previous methods build the network…

cs.AI2022

Planning Immediate Landmarks of Targets for Model-Free Skill Transfer across Agents

Minghuan Liu, Zhengbang Zhu, Menghui Zhu +3

In reinforcement learning applications like robotics, agents usually need to deal with various input/output features when specified with different state/action spaces by their deve…

cs.LG2022

State-Aware Proximal Pessimistic Algorithms for Offline Reinforcement Learning

Chen Chen, Hongyao Tang, Yi Ma +4

Pessimism is of great importance in offline reinforcement learning (RL). One broad category of offline RL algorithms fulfills pessimism by explicit or implicit behavior regularizat…

cs.LG2022

Prototypical context-aware dynamics generalization for high-dimensional model-based reinforcement learning

Junjie Wang, Yao Mu, Dong Li +6

The latent world model provides a promising way to learn policies in a compact latent space for tasks with high-dimensional observations, however, its generalization across diverse…