01
Approximate computing & data sketches
Compact data sketches for counting and high-order frequency estimation.
EWHA WOMANS UNIVERSITY
Information
Security
Research Lab.
Measuring and securing networks with approximate computing and data sketches.
Small representations.
Large-scale possibilities.
2003Lab established
156Publications
05Research areas
WHAT WE STUDY
Efficient systems. Secure foundations.
02
(Encrypted) traffic analysis
Measuring and analyzing encrypted traffic with efficient algorithms and programmable data planes.
03
Efficient KV Cache System
Angular distance and inner-product estimation for efficient KV caching, from our ICML work to LAS (Learned Attention System).
04
High-performance Key-Value Store
Exploring LSM-tree designs for high-performance key-value storage.
05
Differential privacy for AI
Privacy-preserving data sketches and resource-efficient AI systems.
The Information Security Research Laboratory (ISRL) studies how to measure and protect networks at scale, from in-network security on programmable routers to privacy-preserving machine learning. Explore our publications or the latest news.
OUR PEOPLE
Students
Yeawon You
PhD student
Jiyeon Kim
PhD student
Gayoung Kim
MS student
Hanui Choi
MS student
LATEST WORK
Recent publications
Beyond Hamming: Query-Aware Decoding of Binary Cosine Sketches
International Conference on Machine Learning (ICML 2026)
Defeating Slow-and-Low Threats via Diffusion Model-based Generative Inference
USENIX NSDI (USENIX Symposium on Networked Systems Design and Implementation) 2026
Enhancing Vulnerability Reports with Automated and Augmented Description Summarization
IEEE Transactions on Big Data
BUILD WHAT COMES NEXT
Curious minds.
Meaningful research.
We welcome undergraduate interns and graduate students interested in AI, security, and scalable systems.