Hang Yin

Benchmarking the Combinatorial Generalizability of Complex Query Answering on Knowledge Graphs

2021 · arXiv (Cornell University)

Complex Query Answering (CQA) is an important reasoning task on knowledge graphs. Current CQA learning models have been shown to be able to generalize from atomic operators to more complex formulas, which can be regarded …

Identifying E-Commerce Fraud Through User Behavior Data: Observations and Insights

2025 · Data Science and Engineering

Abstract Traditional fraud detection approaches often use linking entities, such as device, email, and address, to identify fraudulent transactions and users. However, as fraud methods continue to evolve and escalate, the fraudsters can fabricate the …