Jiayin Wang

SEINA: A stealthy and effective internal attack in Hadoop systems

2017 · IEEE Conference Proceedings

Big data processing frameworks such as Hadoop [1] are now widely adopted, however the security issues in large scale systems have not been well studied yet. Unlike prior work on data privacy and protection, this …

Understanding Internal Representations of Recommendation Models with Sparse Autoencoders

2026 · ACM Transactions on Information Systems

Recommendation model interpretation aims to reveal the relationships between inputs, model internal representations, and outputs to enhance the transparency, interpretability, and trustworthiness of recommendation systems. However, the inherent complexity and opacity of deep learning models …