Search Results for author: Ziwen Zhao

Found 3 papers, 3 papers with code

A Survey on Self-Supervised Pre-Training of Graph Foundation Models: A Knowledge-Based Perspective

1 code implementation24 Mar 2024 Ziwen Zhao, Yuhua Li, Yixiong Zou, Ruixuan Li, Rui Zhang

Graph self-supervised learning is now a go-to method for pre-training graph foundation models, including graph neural networks, graph transformers, and more recent large language model (LLM)-based graph models.

Language Modelling Large Language Model +1

Masked Graph Autoencoder with Non-discrete Bandwidths

1 code implementation6 Feb 2024 Ziwen Zhao, Yuhua Li, Yixiong Zou, Jiliang Tang, Ruixuan Li

Inspired by these understandings, we explore non-discrete edge masks, which are sampled from a continuous and dispersive probability distribution instead of the discrete Bernoulli distribution.

Blocking Link Prediction +2

CSGCL: Community-Strength-Enhanced Graph Contrastive Learning

1 code implementation8 May 2023 Han Chen, Ziwen Zhao, Yuhua Li, Yixiong Zou, Ruixuan Li, Rui Zhang

Graph Contrastive Learning (GCL) is an effective way to learn generalized graph representations in a self-supervised manner, and has grown rapidly in recent years.

Attribute Contrastive Learning +3

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