Research Interests

​​I am a member of the InfoCloud @ KAUST group. I work on Databases and Information management. Specifically, I am interested in: Database outsourcing and Cloud Computing, Mobile Computing, Peer-to-Peer, OLAP, Data Warehouses, Spatial-Temporal and High-dimensional Databases, GIS, Security - Privacy - Anonymity


Selected Publications

  • Efficient and Accurate Nearest Neighbor and Closest Pair Search in High Dimensional Space
    ao Y., Yi K., Sheng C., Kalnis P.
    ACM Transactions on Data Base Systems (ACM TODS), (2010)
  • A Framework for Efficient Data Anonymization under Privacy and Accuracy Constraints
    Ghinita G., Karras P., Kalnis P., Mamoulis N.,
    ACM Transactions on Data Base Systems (ACM TODS), 34(2), 47 , (2009)
  • Quality and Efficiency in High Dimensional Nearest Neighbor Search
    Yufei T., Yi K., Sheng C., Kalnis P.
    Proc. of ACM SIGMOD Conference, Providence, RI, 563-576, (2009)
  • Authenticated Join Processing in Outsourced Databases
    Yang Y., Papadias D., Papadopoulos S., Kalnis P
    Proc. of ACM SIGMOD Conference, Providence, RI, 5-18, (2009)
  • Privacy-preserving Anonymization of Set-valued Data
    Terrovitis M., Mamoulis N., Kalnis P.
    Proc. of the Int. Conf. on Very Large Data Bases (VLDB), Auckland, New Zealand,, (2008)
  • Private Queries in Location Based Services: Anonymizers are not Necessary
    Ghinita G., Kalnis P., Khoshgozaran A., Shahabi C., Tan K.L
    Proc. of ACM SIGMOD Conference, Vancouver, Canada, 121-132, (2008)
  • Fast Data Anonymization with Low Information Loss
    Ghinita G., Karras P., Kalnis P., Mamoulis N.
    Proc. of the Int. Conf. on Very Large Data Bases (VLDB), Vienna, Austria, 758-76..., (2007)
  • Generalized Multi-dimensional Data Mapping and Query Processing
    Zhang R., Kalnis P., Ooi B.C., Tan K.L.
    ACM Transactions on Data Base Systems (ACM TODS), 30(3), 661-697, (2005)
  • Similarity Evaluation on Tree-structured Data
    Yang R., Kalnis P., Tung A.K.H.
    Proc. of ACM SIGMOD Conference, Baltimore, MD, 754-765, (2005)
  • An Adaptive Peer-to-Peer Network for Distributed Caching of OLAP Results
    Kalnis P., Ng W.S., Ooi B.C., Papadias D., Tan K.L.
    Proc. of ACM SIGMOD Conference, Madison, WI, 25-36, 2002. , (2002)

Education Profile

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Professional Profile


KAUST Affiliations

​Extreme Computing Research Center (ECRC)