I received Ph.D. degree from the Dept. of CSEE, University of Maryland Baltimore County (UMBC). My research interests include privacy preserving data mining, distributed data mining, statistical machine learning and mobile computing.

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What's New

P3DM'08: SIAM International Workshop on Practical Privacy-Preserving Data Mining,
Held in conjunction with SDM'08 on April 24-26, 2008. new!

- Our demo "ManyAspects: A System for Highlighting Diverse Concepts in Documents" has been accepted by VLDB 2008. (05/24/08) new!
- Our paper "Towards Identity Anonymization on Graphs" has been accepted for publication on SIGMOD 2008. (02/17/08) new!
- Our paper "Distributed Identification of Top-l Inner Product Elements and its Application in a Peer-to-Peer Network" has been accepted for publication on IEEE Transactions on Knowledge and Data Engineering (TKDE) (10/04/07).
- Our book chapter "A survey of attack techniques on privacy-preserving data perturbation methods" has been accepted for publication in "Privacy-Preserving Data Mining: Models and Algorithms," edited by Charu Aggarwal and Philip S Yu. (08/21/07).
- Our paper "Multi-Party, Privacy-Preserving Data Mining using a Game Theoretic Framework" has been accepted by PKDD 2007. (06/14/07)
- Our paper "Client-side Web Mining for Community Formation in Peer-to-Peer Environments with Privacy Constraints" was selected as the Most Interesting paper of WebKDD'06 and published on ACM SIGKDD Explorations Volume 8, Issue 2. (03/09/07)
- I am now a member of the Intelligent Information Systems group at the IBM Almaden Research Center. (01/29/07)
- Passed Ph.D. Dissertation Defense -- Multiplicative Data Perturbation for Privacy Preserving Data Mining ^_^ [snapshot of the defense] (01/15/07)
- Playing with Google Map API :) -- cities and places I have visited before. (12/08/06)
- Won graduate school dissertation fellowship award. (08/07/06).
- Java code for Paillier's cryptosystem (homomorhpic properties). (07/01/06). If the code looks messed up in your browser, click the refresh button. (accessed times)
- Check out the new Privacy Preserving Data Mining Bibliography (04/29/06).

Brief Introduction

I am currently working at IBM Almaden Research Center. I received my Ph.D. degree from the Department of Computer Science and Electrical Engineering, University of Maryland Baltimore County (UMBC) in 2007. My research focused on privacy preserving data mining and distributed data mining. My research advisor is Prof. Hillol Kargupta. Before that, I got my B.S. degree in Computer Science from Nankai University, China in 2001. I am a member of ACM (Association for Computing Machinery) and SIAM (Society for Industrial and Applied Mathematics). 

I am maintaining two public repositories for privacy preserving data mining and distributed data mining communities. They are the Privacy Preserving Data Mining Bibliography and the Distributed Data Mining Bibliography. Please visit my research webpage for more details.

Contact Information

IBM Almaden Research Center
650 Harry Rd., San Jose, CA 95120
Tel: 408-927-1504
Email: kun (at) us.ibm.com

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