11.	Ghinita G., Karras P., Kalnis P., Mamoulis N., "A Framework for Efficient Data Anonymization under Privacy and Accuracy Constraints", (to appear) ACM Transactions on Data Base Systems (ACM TODS), 2009.
10.	Yufei T., Yi K., Sheng C., Kalnis P., "Quality and Efficiency in High Dimensional Nearest Neighbor Search", (to appear) Proc. of ACM SIGMOD Conference, Providence, RI, 12 pages, 2009.
9.	Yang Y., Papadias D., Papadopoulos S., Kalnis P., "Authenticated Join Processing in Outsourced Databases", (to appear) Proc. of ACM SIGMOD Conference, Providence, RI, 12 pages, 2009.
8.	Terrovitis M., Mamoulis N., Kalnis P., "Privacy-preserving Anonymization of Set-valued Data", Proc. of the Int. Conf. on Very Large Data Bases (VLDB), Auckland, New Zealand, 11 pages, 2008.
7.	Ghinita G., Kalnis P., Khoshgozaran A., Shahabi C., Tan K.L., "Private Queries in Location Based Services: Anonymizers are not Necessary", Proc. of ACM SIGMOD Conference, Vancouver, Canada, 121-132, 2008.
6.	Kalnis P., Ghinita G., Mouratidis K., Papadias D., "Preventing Location-Based Identity Inference in Anonymous Spatial Queries", IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), 19(12), 1719-1733, 2007.
5.	Ghinita G., Karras P., Kalnis P., Mamoulis N., "Fast Data Anonymization with Low Information Loss", Proc. of the Int. Conf. on Very Large Data Bases (VLDB), Vienna, Austria, 758-769, 2007.
4.	Zhang R., Kalnis P., Ooi B.C., Tan K.L., "Generalized Multi-dimensional Data Mapping and Query Processing", ACM Transactions on Data Base Systems (ACM TODS), 30(3), 661-697, 2005.
3.	Yang R., Kalnis P., Tung A.K.H., "Similarity Evaluation on Tree-structured Data", Proc. of ACM SIGMOD Conference, Baltimore, MD, 754-765, 2005.
2.	Kalnis P., Ng W.S., Ooi B.C., Papadias D., Tan K.L., "An Adaptive Peer-to-Peer Network for Distributed Caching of OLAP Results", Proc. of ACM SIGMOD Conference, Madison, WI, 25-36, 2002.
1.	Kalnis P., Papadias D., "Proxy-Server Architectures for OLAP", Proc. of ACM SIGMOD Conference, Santa Barbara, CA, 367-378, 2001.