Zhiyuan Chen

My research covers following areas:

Secure and flexible Information Sharing in Coalition Environments . I am interested in secure and flexible (situation aware) access control for information sharing in coalition environment.

Privacy preserving data mining and data management. I am interested in algorithms for preserving privacy of data and at the same time allows accurate analysis of the data.
　
Data Exploration and Navigation. Database users often find it difficult to find useful information from databases. Their queries often return too many irrelevant answers. I am interested in using data mining, navigation, and information retrieval techniques to help user narrow down their scope of search and quickly locate relevant answers.
　
Adversarial learning. It is easy for attackers to modify their attacks to evade detection techniques used in cyber security. I am interested in attackers' evasion strategies as well as counter measures that can make detection techniques more robust.

Efficient and scalable RDF triple store in distributed and resource-constrained environment. RDF is the data format for semantic web. I am interested in developing systems that can store and process large scale RDF data efficiently in distributed and sometimes resource-constrained environment.