# Hierarchically Contrastive Hard Sample Mining for Graph Self-Supervised Pretraining

> Research article (IEEE Transactions on Neural Networks and Learning Systems, 2023) · cited 30× · AI/ML

**Wikidata**: [openalex:W4385944963](https://www.wikidata.org/wiki/openalex:W4385944963)  
**Source**: https://4ort.xyz/entity/hierarchically-contrastive-hard-sample-mining-for-graph-self-supervised-pretraining