Lingfei Ren

graph anomaly detection (2) anomaly detection (2) graph neural network (2) graph structure (1) continual reinforcement learning (1) label noise (1) spectral analysis (1) fraud detection (1) knowledge graph (1) multi-hop reasoning (1) noise-resistant learning (1) heterophilic graph (1) homophily assumption (1) protein-protein interaction (1) graph retrieval-augmented generation (1) large language model (1) cancer gene identification (1) weight heterogeneity (1) multi-granularity policy (1) policy library (1)