Advances in Graph Learning and Contrastive Methods

The field of graph learning is witnessing significant advancements, driven by the development of innovative contrastive methods and techniques for improving the robustness and interpretability of graph neural networks. Researchers are exploring new paradigms, such as counterfactual learning and fractal graph contrastive learning, to address common issues like fairness and interpretability. Furthermore, there is a growing interest in designing more effective batch construction strategies and exploring the potential of self-reinforced graph contrastive learning. Noteworthy papers in this area include:

  • Finding Counterfactual Evidences for Node Classification, which introduces a novel approach for detecting counterfactual evidences in GNN-based node classification tasks.
  • Breaking the Batch Barrier, which proposes a novel batch construction strategy that sets a new state of the art on the MMEB multimodal embedding benchmark.
  • Fractal Graph Contrastive Learning, which leverages fractal self-similarity to enforce global topological coherence and achieves state-of-the-art results on standard benchmarks.
  • Khan-GCL, which integrates the Kolmogorov-Arnold Network into the GCL encoder architecture and generates semantically meaningful hard negative samples.
  • Learning Genomic Structure from k-mers, which presents a method for analyzing genomic data using contrastive learning and demonstrates its potential for metagenomic species identification and mapping to large genomes.

Sources

Finding Counterfactual Evidences for Node Classification

Breaking the Batch Barrier (B3) of Contrastive Learning via Smart Batch Mining

Fractal Graph Contrastive Learning

Self-Reinforced Graph Contrastive Learning

Unsupervised Graph Clustering with Deep Structural Entropy

Cooperative Causal GraphSAGE

Khan-GCL: Kolmogorov-Arnold Network Based Graph Contrastive Learning with Hard Negatives

Learning Genomic Structure from $k$-mers

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