BillSim is a fully synthetic heterogeneous graph benchmark for non-adversarial anomaly detection in usage-based billing pipelines. Existing graph anomaly detection benchmarks (Amazon reviews, Bitcoin OTC/Alpha, Yelp, UNSW-NB15, DGraph) model adversarial behaviour: fraud, spam… See the full description on the dataset page:
https://huggingface.co/datasets/samreed-research/billsim.