activity
20202024
most citedSelf-supervised Learning: Generative or Contrastive

1.1k citations · 1.2k across the 11 of their papers we have counts for

collaborators

11 papers

cs.CL2024

Does RLHF Scale? Exploring the Impacts From Data, Model, and Method

Zhenyu Hou, Pengfan Du, Yilin Niu +7

This study explores the scaling properties of Reinforcement Learning from Human Feedback (RLHF) in Large Language Models (LLMs). Although RLHF is considered an important step in po…

cs.LG2024★ 1 cited

Generalizing Graph Transformers Across Diverse Graphs and Tasks via Pre-training

Yufei He, Zhenyu Hou, Yukuo Cen +5

Graph pre-training has been concentrated on graph-level tasks involving small graphs (e.g., molecular graphs) or learning node representations on a fixed graph. Extending graph pre…

cs.LG2024

GraphAlign: Pretraining One Graph Neural Network on Multiple Graphs via Feature Alignment

Zhenyu Hou, Haozhan Li, Yukuo Cen +2

Graph self-supervised learning (SSL) holds considerable promise for mining and learning with graph-structured data. Yet, a significant challenge in graph SSL lies in the feature di…

cs.CL2024★ 1 cited

ChatGLM-Math: Improving Math Problem-Solving in Large Language Models with a Self-Critique Pipeline

Yifan Xu, Xiao Liu, Xinghan Liu +9

Large language models (LLMs) have shown excellent mastering of human language, but still struggle in real-world applications that require mathematical problem-solving. While many s…

cs.CL2024★ 3 cited

ChatGLM-RLHF: Practices of Aligning Large Language Models with Human Feedback

Zhenyu Hou, Yilin Niu, Zhengxiao Du +8

ChatGLM is a free-to-use AI service powered by the ChatGLM family of large language models (LLMs). In this paper, we present the ChatGLM-RLHF pipeline -- a reinforcement learning f…

cs.LG2023★ 6 cited

GraphMAE2: A Decoding-Enhanced Masked Self-Supervised Graph Learner

Zhenyu Hou, Yufei He, Yukuo Cen +4

Graph self-supervised learning (SSL), including contrastive and generative approaches, offers great potential to address the fundamental challenge of label scarcity in real-world g…

cs.LG2022★ 33 cited

GraphMAE: Self-Supervised Masked Graph Autoencoders

Zhenyu Hou, Xiao Liu, Yukuo Cen +4

Self-supervised learning (SSL) has been extensively explored in recent years. Particularly, generative SSL has seen emerging success in natural language processing and other AI fie…

cs.SI2021★ 1 cited

SCR: Training Graph Neural Networks with Consistency Regularization

Chenhui Zhang, Yufei He, Yukuo Cen +7

We present the SCR framework for enhancing the training of graph neural networks (GNNs) with consistency regularization. Regularization is a set of strategies used in Machine Learn…

cs.SI2021★ 29 cited

Understanding WeChat User Preferences and "Wow" Diffusion

Fanjin Zhang, Jie Tang, Xueyi Liu +9

WeChat is the largest social instant messaging platform in China, with 1.1 billion monthly active users. "Top Stories" is a novel friend-enhanced recommendation engine in WeChat, i…

cs.SI2021★ 5 cited

CogDL: A Comprehensive Library for Graph Deep Learning

Yukuo Cen, Zhenyu Hou, Yan Wang +15

Graph neural networks (GNNs) have attracted tremendous attention from the graph learning community in recent years. It has been widely adopted in various real-world applications fr…

cs.LG2020★ 1.1k cited

Self-supervised Learning: Generative or Contrastive

Xiao Liu, Fanjin Zhang, Zhenyu Hou +4

Deep supervised learning has achieved great success in the last decade. However, its deficiencies of dependence on manual labels and vulnerability to attacks have driven people to…