Ke Cheng

CFHider: Control Flow Obfuscation with Intel SGX

2019

When a program is executed on an untrusted cloud, the confidentiality of the program's logics needs to be protected. Control flow obfuscation is a direct approach to obtain this goal. However, existing methods in this …

DyGKT: Dynamic Graph Learning for Knowledge Tracing

2024

Knowledge Tracing aims to assess student learning states by predicting their performance in answering questions. Different from the existing research which utilizes fixed-length learning sequence to obtain the student states and regards KT as a …