Graph Self-Supervised Learning: A Survey

نویسندگان

چکیده

Deep learning on graphs has attracted significant interests recently. However, most of the works have focused (semi-) supervised learning, resulting in shortcomings including heavy label reliance, poor generalization, and weak robustness. To address these issues, self-supervised (SSL), which extracts informative knowledge through well-designed pretext tasks without relying manual labels, become a promising trending paradigm for graph data. Different from SSL other domains like computer vision natural language processing, an exclusive background, design ideas, taxonomies. Under umbrella we present timely comprehensive review existing approaches employ techniques We construct unified framework that mathematically formalizes SSL. According to objectives tasks, divide into four categories: generation-based, auxiliary property-based, contrast-based, hybrid approaches. further describe applications across various research fields summarize commonly used datasets, evaluation benchmark, performance comparison open-source codes Finally, discuss remaining challenges potential future directions this field.

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ژورنال

عنوان ژورنال: IEEE Transactions on Knowledge and Data Engineering

سال: 2022

ISSN: ['1558-2191', '1041-4347', '2326-3865']

DOI: https://doi.org/10.1109/tkde.2022.3172903