"At last man is to know truth about everything. It suffices that he should not lose heart at
the complexity of the problems, and that he should allow no passion to cloud his mind."
-- Jose Ortega y Gasset --

Gabriel Ghinita
Post-doctoral Research Associate
Department of Computer Science
Purdue University

LWSN 2142Q, 305 N. University St.
West Lafayette, IN 47907

Phone: (765) 496-9382
Email: gghinita at cs.purdue.edu
  1. Bio
  2. Publications
  3. Talks

I am currently a Post-doctoral Research Associate under the supervision of Prof. Elisa Bertino. My research interests focus on data security and privacy, high-dimensional databases and highly-distributed data processing.


Education


Research Interests


Teaching


I held TA hours for courses on:


Professional Activities


Awards

My main research interests lie in the area of data security and privacy:

Book Chapters

  1. P. Kalnis and G. Ghinita, "Spatial Anonymity" In Encyclopedia of Database Systems, Springer 2009

  2. P. Kalnis and G. Ghinita, "OLAP Results, Distributed Caching" In Encyclopedia of GIS, Springer 2008


Journal Articles

  1. G. Ghinita, P. Kalnis, Y. Tao, "Anonymous Publication of Sensitive Transactional Data" IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE) (to appear)

  2. G. Ghinita, K. Zhao, D. Papadias, P. Kalnis, "A Reciprocal Framework for Spatial k-Anonymity" Information Systems Journal (to appear)

  3. M.L. Yiu, G. Ghinita, C. Jensen, P. Kalnis, "Enabling Search Services on Outsourced Private Spatial Data" VLDB Journal (to appear)

  4. G. Ghinita, P. Karras, P. Kalnis, N. Mamoulis, "A Framework for Efficient Data Anonymization under Privacy and Accuracy Constraints" ACM Transactions on Database Systems (TODS), June 2009 (pdf)

  5. G. Ghinita, "Private Queries and Trajectory Anonymization: a Dual Perspective on Location Privacy" Transactions on Data Privacy (TDP) 2009

  6. P. Kalnis, G. Ghinita, K. Mouratidis and D. Papadias, "Preventing Location-Based Identity Inference in Anonymous Spatial Queries", IEEE Transactions on Knowledge and Data Engineering (IEEE TKDE), 19(12), 1719-1733, 2007 (pdf)


Conference Papers

  1. G. Ghinita, M. L. Damiani, C. Silvestri, E. Bertino, "Preventing Velocity-based Linkage Attacks in Location-Aware Applications" (best paper award runner-up) In Proceedings of International Conference on Advances in Geographic Information Systems (ACM SIGSPATIAL GIS), November 2009 (to appear)

  2. C. Dai, G. Ghinita, E. Bertino, J.-W. Byun, N. Li, "TIAMAT: a Tool for Interactive Analysis of Microdata Anonymization Techniques" In Proceedings of International Conference on Very Large Data Bases (VLDB) August 2009 (demo track)

  3. G. Ghinita, P. Kalnis, M. Kantarcioglu, E. Bertino, "A Hybrid Technique for Private Location-Based Queries with Database Protection" In Proceedings of International Symposium on Spatial and Temporal Databases (SSTD) July 2009 (to appear)

  4. P. Rao, G. Ghinita, E. Bertino, J. Lobo "Visualizing Access Control Policy Analysis Results" In Proceedings of International Symposium on Policies for Distributed Systems and Networks (POLICY) July 2009 (to appear)

  5. G. Ghinita, M. L. Damiani, E. Bertino, C. Silvestri "Interactive Location Cloaking with the PROBE Obfuscator" In Proceedings of International Conference on Mobile Data Management (MDM) May 2009 (demo track)

  6. M. L. Yiu, G. Ghinita, C. Jensen and P. Kalnis, "Outsourcing of Private Spatial Data for Search Services", In Proceedings of International Conference on Data Engineering (ICDE) March 2009 (pdf)

  7. G. Ghinita, P. Kalnis, A. Khoshgozaran, C. Shahabi and K.-L.Tan, "Private Queries in Location Based Services: Anonymizers are not Necessary", In Proceedings of ACM SIGMOD Conference June 2008 (pdf)

  8. G. Ghinita, Y. Tao and P. Kalnis "On the Anonymization of Sparse High-Dimensional Data", In Proceedings of International Conference on Data Engineering (ICDE) April 2008 (pdf)

  9. N. Vyahhi, S. Bakiras, P. Kalnis, G. Ghinita "Tracking Moving Objects in Anonymized Trajectories", In Proceedings of International Conference on Database and Expert Systems Applications (DEXA) September 2008 (pdf)

  10. K. Bharath, G. Ghinita, and P. Kalnis "Privacy-Preserving Publication of User Locations in the Proximity of Sensitive Sites", In Proceedings of International Conference on Scientific and Statistical Database Management (SSDBM) July 2008 (pdf)

  11. G. Ghinita, "Understanding the Privacy-Efficiency Trade-off in Location Based Queries", In Proceedings of SIGSPATIAL ACM GIS International Workshop on Security and Privacy in GIS and LBS (SPRINGL), 2008 (invited paper)

  12. G. Ghinita, P. Karras, P. Kalnis and N. Mamoulis, "Fast Data Anonymization with Low Information Loss", In Proceedings of International Conference on Very Large Data Bases (VLDB) September 2007 (pdf)

  13. G. Ghinita, P. Kalnis and S. Skiadopoulos, "MobiHide: A Mobile Peer-to-Peer System for Anonymous Location-Based Queries", In Proceedings of International Symposium on Spatial and Temporal Databases (SSTD) July 2007 (pdf)

  14. G. Ghinita, P. Kalnis and S. Skiadopoulos, "PRIVE: Anonymous Location-Based Queries in Distributed Mobile Systems", In Proceedings of International World Wide Web Conference (WWW) May 2007 (pdf)

  15. G. Ghinita and Y.M. Teo, "An Adaptive Stabilization Framework for Distributed Hash Tables", In Proceedings of IEEE International Parallel and Distributed Processing Symposium (IPDPS) April 2006


Technical Reports

  1. Simon C.W. See and G. Ghinita, "Global Grid Connectivity Using Globus Toolkit With Solaris Operating System", Sun Blueprints Online, 2004

  2. G. Ghinita, Y.M. Teo and Simon C.W. See, "GT3-SGE Integration on Solaris 9/x86", Technical Report APSTC-TR-2004-001, Asia Pacific Science & Technology Center, February 2004

  1. "Spatial Cloaking vs Cryptographic Protocols: Alternatives for Privacy in Location-based Services", University of Texas at Dallas, May 2009

  2. "Private Queries in Location Based Services: Anonymizers are not Necessary", DAIS Seminar, University of Illinois at Urbana-Champaign (UIUC), April 2009

  3. KEYNOTE: "Understanding the Privacy-Efficiency Trade-off in Location-Based Queries", ACM SIGSPATIAL GIS Workshop on Security and Privacy in GIS and LBS (SPRINGL), November 2008

  4. "Private Queries in Location Based Services: Anonymizers are not Necessary" Center for Education and Research in Information Assurance and Security (CERIAS), September 2008

  5. "Private Queries in Location Based Services: Anonymizers are not Necessary", Database Group Colloquium, University of California at San Diego (UCSD), April 2008

  6. "Private Queries in Location Based Services: Anonymizers are not Necessary", InfoLab Seminar, University of Southern California (USC), March 2009

  7. "Privacy-Preserving Spatial Queries in Location Based Services", Database Seminar, University of Hong Kong (HKU), December 2006

  8. "Privacy-Preserving Spatial Queries in Location Based Services", Database Seminar, Hong Kong University of Science and Technology (HKUST), November 2006