Chenyun Dai

    Ph.D. Student at Department of Computer Science

    E-mail: daic(at)
    Office: LWSN 2161

I got the Bachelor of Computer Science from East China Normal University and the Master of Computer Science from Fudan University respectively. I am now a third-year Ph.D. student at Purdue University. My advisor is Prof. Elisa Bertino, and my research areas are Databases and Information Security.

Previously, I worked with Prof. Aoying Zhou on Peer-to-Peer Systems.

My CV: [ PDF ]

Teaching Experiences

I am the teaching assistant of the following courses at Purdue University:

(Fall 2008) CS 251  Data Structures
(Spring 2009) CS 555 Cryptography

Under Review and Unpublished Manuscripts

Zhihong Chong, Chenyun Dai and Aoying Zhou, "Approximate K-Median of Location Steams with Redundancy and Inconsistency",  Technique Report. 

Conference Publications

GIS 2009 Chenyun Dai, , Hyo-Sang Lim, Elisa Bertino and Yang-Sae Moon
Assessing the Trustworthiness of Location Data Based on Provenance.
to appear in Proceedings of The 17th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems [ DOI ]
VLDB 2009 Chenyun Dai, Gabriel Ghinita, Elisa Bertino, Ji-Won Byun and Ninghui Li
TIAMAT: a Tool for Interactive Analysis of Microdata Anonymization Techniques.
in Proceedings of The 35th International Conference on Very Large Data Bases (demo paper) [ DOI, POSTER ]
SDM 2009 Chenyun Dai, Dan Lin, Murat Kantarcioglu, Elisa Bertino, Ebru Celikel, Bhavani Thuraisingham.
Query Processing Techniques for Compliance with Data Confidence Policies
in The 6th International Workshop on Secure Data Management (SDM) in conjunction with VLDB 2009 [ DOI, SLIDES ]
DASFAA 2009 Elisa Bertino, Chenyun Dai and Murat Kantarcioglu
The Challenge of Assuring Data Trustworthiness
in Proceedings of the 14th International Conference on Database Systems for Advanced Applications [ DOI ]
SDM 2008 Chenyun Dai, Dan Lin, Elisa Bertino and Murat Kantarcioglu
An Approach to Evaluate Data Trustworthiness Based on Data Provenance
in The 5th International Workshop on Secure Data Management (SDM) in conjunction with VLDB 2008 [ DOI, SLIDES ]
BNCOD 2008 Elisa Bertino, Chenyun Dai, Hyo-Sang Lim and Dan Lin
High-Assurance Integrity Techniques for Databases
in Proceedings of the 25th British National Conference on Databases [ DOI ]
APWEB 2004 Linhao Xu, Chenyun Dai, Wenyuan Cai, Shuigeng Zhou and Aoying Zhou
Towards Adaptive Probabilistic Search in Unstructured P2P Systems
in Proceedings of the 6th Asia-Pacific Web Conference [ DOI ]
Best Student Paper

Journal Publications

Aoying Zhou, Linhao Xu and Chenyun Dai,
Adaptive Probabilistic Search over Unstructured Peer-to-Peer Computing Systems."
World Wide Web Journal
, Volume 9, Number 4, 2006. [ DOI ]