2 papers
stat.AP2026
Counting models with excessive zeros ensuring stochastic monotonicity
Hyemin Lee, Dohee Kim, Banghee So +1
Standard count models such as the Poisson and Negative Binomial models often fail to capture the large proportion of zero claims commonly observed in insurance data. To address suc…
cs.LG2025
Hybrid GCN-GRU Model for Anomaly Detection in Cryptocurrency Transactions
Gyuyeon Na, Minjung Park, Hyeonjeong Cha +6
Blockchain transaction networks are complex, with evolving temporal patterns and inter-node relationships. To detect illicit activities, we propose a hybrid GCN-GRU model that capt…