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- W4366999830 abstract "This paper studies semi-supervised graph classification, a crucial task with a wide range of applications in social network analysis and bioinformatics. Recent works typically adopt graph neural networks to learn graph-level representations for classification, failing to explicitly leverage features derived from graph topology (e.g., paths). Moreover, when labeled data is scarce, these methods are far from satisfactory due to their insufficient topology exploration of unlabeled data. We address the challenge by proposing a novel semi-supervised framework called Twin Graph Neural Network (TGNN). To explore graph structural information from complementary views, our TGNN has a message passing module and a graph kernel module. To fully utilize unlabeled data, for each module, we calculate the similarity of each unlabeled graph to other labeled graphs in the memory bank and our consistency loss encourages consistency between two similarity distributions in different embedding spaces. The two twin modules collaborate with each other by exchanging instance similarity knowledge to fully explore the structure information of both labeled and unlabeled data. We evaluate our TGNN on various public datasets and show that it achieves strong performance." @default.
- W4366999830 created "2023-04-27" @default.
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- W4366999830 date "2023-04-23" @default.
- W4366999830 modified "2023-09-23" @default.
- W4366999830 title "TGNN: A Joint Semi-supervised Framework for Graph-level Classification" @default.
- W4366999830 doi "https://doi.org/10.48550/arxiv.2304.11688" @default.
- W4366999830 hasPublicationYear "2023" @default.
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