Publications


  • [IEEE SECON] "GeoPal: Friend Spam Detection in Social Networks Using Private Location Proofs"
    Bogdan Carbunar, Mizanur Rahman, Mozhgan Azimpourkivi, Debra Davis.
    To appear in Proceedings of IEEE International Conference on Sensing, Communication and Networking (SECON), June 2016. [pdf]

  • [SIAM SDM] "FairPlay: Fraud and Malware Detection in Google Play"
    Mahmudur Rahman, Mizanur Rahman, Bogdan Carbunar, Duen Horng Chau.
    To appear in Proceedings of the SIAM International Conference on Data Mining (SDM), May 2016. [pdf]

  • [IEEE TMC] "Movee: Video Liveness Verification for Mobile Devices with Built-in Motion Sensors"
    Mahmudur Rahman, Umut Topkara, Bogdan Carbunar.
    IEEE Transactions on Mobile Computing (TMC), Volume 15, Number 5, May 2016 [pdf]

  • [IEEE TMC] "Secure Management of Low Power Fitness Trackers"
    Mahmudur Rahman, Bogdan Carbunar, Umut Topkara.
    IEEE Transactions on Mobile Computing (TMC), Volume 15, Number 2, February 2016. [pdf]

    2015

  • [PATENT] "Caching Content"
    Bogdan Carbunar, Michael Pearce, Venugopal Vasudevan, Loren J. Rittle, Michael Needham.
    US 9,154,811, Issued October 2015.

  • [ACM CSUR] "In-Network Trajectory Privacy Preservation"
    Mingming Guo, Xinyu Jin, Niki Pissinou, Sebastian Zanlogo, Bogdan Carbunar, S.S. Iyengar.
    ACM Computing Surveys (CSUR), Volume 48, Issue 2, October 2015. [pdf]

  • [IEEE/ACM ASONAM] "A Longitudinal Study of the Google App Market"
    Bogdan Carbunar, Rahul Potharaju.
    In Proceedings of the IEEE/ACM International Conference on Advances in Social Network Analysis and Mining (ASONAM) [full paper acceptance rate=18%], Paris, August, 2015. [pdf]

  • [ACM WiSec] "Liveness Verifications for Citizen Journalism Videos"
    Mahmudur Rahman, Mozhgan Azimpourkivi, Umut Topkara, Bogdan Carbunar.
    In Proceedings of the 8th ACM Conference on Security and Privacy in Wireless and Mobile Networks (WiSec) [acceptance rate=19%], New York City, June, 2015. [pdf]

  • [Wiley SAM] "To Catch a Fake: Curbing Deceptive Yelp Ratings and Venues"
    Mahmudur Rahman, Bogdan Carbunar, Jaime Ballesteros, Duen Horng (Polo) Chau.
    Statistical Analysis and Data Mining, Volume 8, Issue 3, Wiley, Pang-Ning Tan and Arindam Banerjee, editors (invited), 2015. [Preliminary version]

  • [Springer Book Chapter] "Infiltrating Social Network Accounts: Accounts and Defenses"
    Rahul Potharaju, Bogdan Carbunar, Mozhgan Azimpourkivi, Venugopal Vasudevan, S.S. Iyengar.
    Book chapter in "Secure System Design and Trustable Computing", Springer International Publishing, Editors C.-H. Chang and M. Potkonjak. ISBN 978-3-319-14970-7, 2015.

    2014

  • [PATENT] Method and apparatus for transferring content.
    Bogdan Carbunar, Michael Pearce, Venugopal Vasudevan, Loren J. Rittle, Michael Needham.
    US 8,925,022, Issued December 2014

  • [IEEE TPDS] "Towards Safe Cities: A Mobile and Social Networking Approach"
    Jaime Ballestores, Bogdan Carbunar, Mahmudur Rahman, Naphtali Rishe, S.S. Iyengar.
    IEEE Transactions on Parallel and Distributed Systems (TPDS), Volume 25, Issue 9, 2014. [pdf] [supplemental material]

  • [IEEE ICNP] "Concise Paper: SensCrypt: A Secure Protocol for Managing Low Power Fitness Trackers"
    Mahmudur Rahman, Bogdan Carbunar, Umut Topkara.
    In Proceedings of the 22nd IEEE International Conference on Network Protocols (ICNP), [acceptance rate=18.99\%], Raleigh, North Carolina, October 2014. [pdf] Media Coverage:   [Nature News] [Pittsburgh Post-Gazette] [Security Ledger] [GigaOm] [L'Atelier] [Daily Mail] [Mocana]

  • [IEEE TMC] "Private Badges for GeoSocial Networks"
    Bogdan Carbunar, Radu Sion, Rahul Potharaju, Moussa Ehsan.
    IEEE Transactions on Mobile Computing (TMC), Volume 13, Issue 10, October 2014. [pdf]

  • [IEEE TIFS] "ProfilR: Toward Preserving Privacy and Functionality in GeoSocial Networks"
    Bogdan Carbunar, Mahmudur Rahman, Jaime Ballesteros, Naphtali Rishe, Athanasios V. Vasilakos.
    IEEE Transactions on Information Forensics and Security (TIFS), Volume 9, Issue 4, 2014. [pdf]

  • [SIAM SDM] Best Student Paper Award!
    "Turning the Tide: Curbing Deceptive Yelp Behaviors"
    Mahmudur Rahman, Bogdan Carbunar, Jaime Ballesteros, George Burri, Duen Horng (Polo) Chau.
    In Proceedings of the SIAM International Conference on Data Mining (SDM) [acceptance rate=15.4\%], Philadelphia, April 2014. [pdf]

  • [REUNS] "GeoFit: Verifiable Fitness Challenges"
    Ian Michael Terry, Anita Wu, Sebastian Ramirez, Alex Pissinou Makki, Leonardo Bobadilla, Niki Pissinou, S.S. Iyengar, Bogdan Carbunar.
    In Proceedings of the First National Workshop for REU Research in Networking and Systems (REUNS), Philadelphia, October 2014.

    2013

  • [IEEE Communications] "A Survey of Privacy Vulnerabilities and Defenses in GeoSocial Networks"
    Bogdan Carbunar, Mahmudur Rahman, Niki Pissinou, Athanasios V. Vasilakos.
    In the IEEE Communications Magazine, Volume 15, Issue 11, 2013. [pdf]

  • [ACSAC] "Seeing is Not Believing: Visual Verifications through Liveness Analysis using Mobile Devices"
    Mahmudur Rahman, Umut Topkara, Bogdan Carbunar.
    In Proceedings of the 29th Annual Computer Security Applications Conference (ACSAC) [acceptance rate=19%], New Orleans, December 2013. [pdf]

  • [HotPOST@ICDCS]   [Best Paper Award !]
    "Yelp Events: Building Bricks Without Clay?"
    Jaime Ballesteros, Bogdan Carbunar, Mahmudur Rahman, Naphtali Rishe.
    In Proceedings of the 5th International Workshop on Hot Topics in Peer-to-peer Computing and Online Social Networks (HotPOST), July 2013. [pdf]

  • [ACM TOMM][Nicholas D. Georganas Best Paper Award!] "A Framework for Network Aware Caching for Video on Demand Systems"
    Bogdan Carbunar, Rahul Potharaju, Michael Pearce, Venugopal Vasudevan, Michael Needham.
    ACM Transactions on Multimedia Computing, Communications and Applications (TOMM), Volume 9, Issue 4. [pdf]

    2012

  • [IEEE HASP] "Continuous Remote Mobile Identity Management Using Biometric Integrated Touch-Display".
    Tao Feng, Ziyi Liu, Bogdan Carbunar, Daining Boumber, Weidong Shi.
    Proceedings of the IEEE Micro Workshop on Hardware and Architectural Support for Security and Privacy (HASP).
    Vancouver, December 2012. [pdf]

  • [ACM GIS] "Private Location Centric Profiles for GeoSocial Networks".
    Bogdan Carbunar, Mahmudur Rahman, Jaime Ballesteros, Naphtali Rishe.
    In Proceedings of the 20th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (GIS) - short paper.
    Redondo Beach, CA, November 2012. [pdf]

  • [IEEE HST] "Continuous Mobile Authentication using Touchscreen Gestures".
    Tao Feng, Ziyi Liu, Kyeong-An Kwon, Weidong Shi, Bogdan Carbunar, Yifei Jiang, Nhung Nguyen.
    In Proceedings of the 12th IEEE Conference on Technologies for Homeland Security (HST), Waltham, MA, November 2012. [pdf]

  • [IEEE TKDE] "Toward Private Joins on Outsourced Data".
    Bogdan Carbunar, Radu Sion.
    IEEE Transactions on Knowledge and Data Engineering (TKDE), Volume 24, Number 8, 2012. [pdf]

  • [IEEE MASS] You Unlocked the Mt. Everest Badge on Foursquare! Countering Location Fraud in GeoSocial Networks.
    Bogdan Carbunar, Rahul Potharaju.
    To appear in the 9th IEEE International Conference on Mobile Ad hoc and Sensor Systems (MASS), Las Vegas, October 2012. [pdf]

  • [IEEE LCN] Safe Cities. A Participatory Sensing Approach.
    Jaime Ballersteros, Mahmudur Rahman, Bogdan Carbunar, Naphtali Rishe.
    To appear in the 37th IEEE Conference on Local Computer Networks (LCN) [acceptance rate=29%], Orlando, October 2012 [pdf]

  • [IEEE TIFS] "Tipping Pennies? Privately. Practical Anonymous Micropayments."
    IEEE Transactions on Information Forensics and Security (TIFS), Volume 7, Issue 5, October 2012. [pdf] [technical report]

  • [ACNS] "The Shy Mayor: Private Badges in GeoSocial Networks".
    Bogdan Carbunar, Radu Sion, Rahul Potharaju, Moussa Ehsan.
    In Proceedings of the 10th International Conference on Applied Cryptography and Network Security (ACNS) [acceptance rate=17.1%], Singapore, June 2012 [pdf]

  • [IEEE WOWMOM] "Network Aware Caching for Video on Demand Systems".
    Bogdan Carbunar, Rahul Potharaju, Michael Pearce, Venu Vasudevan.
    In Proceedings of the 13th International Symposium on a World of Wireless, Mobile and Multimedia Networks (WOWMOM) [acceptance rate=22%], San Francisco, June 2012 [pdf]

  • [IEEE TPDS] "Payments for Outsourced Computations".
    Bogdan Carbunar, Mahesh Tripunitara.
    IEEE Transactions on Parallel and Distributed Systems (TPDS), Volume 23, Issue 2, 2012. [pdf] [technical report]

    2011

  • [PATENT] Method and apparatus for synchronizing nodes.
    Bogdan Carbunar, Shivajit Mohapatra, Michael Pearce, Loren J. Rittle, Venugopal Vasudevan.
    US 8,073,014, Issued December 2011

  • [ACM GIS] "Private Geosocial Networking".
    Bogdan Carbunar, Radu Sion.
    In Proceedings of the 19th ACM SIGSPATIAL International Conference on Advances in Geographic Information Systems (GIS) - short paper. [pdf]

  • [TECH REPORT] "3 Clique Attacks in Online Social Networks".
    Rahul Potharaju, Bogdan Carbunar, Cristina Nita-Rotaru.
    CERIAS TR 2011-08. Unpublished manuscript. [pdf]

  • [IEEE GC] "Predictive Caching for Video on Demand CDNs.
    Bogdan Carbunar, Michael Pearce, Venu Vasudevan, Michael Needham.
    In Proceedings of the 54th IEEE Global Communications Conference (GLOBECOM) [pdf]

  • [IEEE TIFS] "Write Once Read Many Oblivious RAM".
    Bogdan Carbunar, Radu Sion.
    IEEE Transactions on Information Forensics and Security (TIFS), Volume 6, Issue 4, 2011. [pdf] [technical report]

  • [FC] "Outsourced Data Storage with Delegation"
    Martin Franz, Peter Williams, Bogdan Carbunar, Radu Sion, Stefan Katzenbeisser, Miroslava Sotakova, Andreas Peter.
    In Proceedings of the 15th Financial Cryptography and Data Security (FC), St. Lucia, March 2011 [pdf]

  • [PATENT] "Method and apparatus for dynamic, seamless security in communication protocols".
    George Calcev, Bogdan Carbunar, Madjid Nakhjiri.
    US 8,245,028, Issued March 2011

  • [JPDC] "Conditional E-Payments with Transferability".
    Bogdan Carbunar, Larry Shi, Radu Sion.
    Journal of Parallel and Distributed Computing (JPDC), Volume 71, Issue 1, January 2011

    2010

  • [CCS POSTER] "iFriendU: Leveraging 3-Cliques to Enhance Infiltration Attacks in Online Social Networks"
    Rahul Potharaju, Bogdan Carbunar, Cristina Nita-Rotaru.
    In Proceedings of the 17th ACM Computer and Communications Security Conference (CCS), poster paper, Chicago, October 2010 [pdf]

  • [SDM] "Joining Privately on Outsourced Data".
    Bogdan Carbunar, Radu Sion.
    In Proceedings of the 7th VLDB Workshop on Secure Data Management (SDM), Singapore, September 2010 [pdf]

  • [ACNS] "Regulatory Compliant Oblivious RAM".
    Bogdan Carbunar, Radu Sion.
    In Proceedings of the 8th International Conference on Applied Cryptography and Network Security (ACNS)[18.5%], Beijing, June 2010 [pdf]

  • [IEEE SECON] "Fair Payments for Outsourced Computations".
    Bogdan Carbunar, Mahesh Tripunitara.
    In Proceedings of the 7th IEEE International Conference on Sensor, Ad Hoc and Mesh Communications and Networks (SECON)[21%], Boston, June 2010 [pdf]

  • [IEEE TPDS] "Secure Synchronization of Periodic Updates in Ad Hoc Networks".
    Bogdan Carbunar, Michael Pearce, Shivajit Mohapatra, Loren Rittle, Venu Vasudevan, Octavian Carbunar.
    IEEE Transactions on Parallel and Distributed Systems (TPDS), Volume 21, Number 8, August 2010 [pdf]

  • [Wiley Book Chapter] "Optimal Tag Coverage and Tag Report Elimination".
    Bogdan Carbunar, Murali Krishna Ramanathan, Mehmet Koyuturk, Suresh Jagannathan, Ananth Grama.
    Book Chapter in "RFID Systems: Research Trends and Challenges", Wiley Series in Wireless Communications and Mobile Computing, Editors M. Bolic, D. Simplot-Ryl, I. Stojmenovic. 2010

  • [ACM TOSN] "Query Privacy in Wireless Sensor Networks".
    Bogdan Carbunar, Yang Yu, Larry Shi, Michael Pearce, Venu Vasudevan.
    ACM Transactions on Sensor Networks (TOSN), Volume 6, Issue 2, May 2010 [pdf]

    2009

  • [PATENT] Method and apparatus for user recognition employing motion passwords.
    Yang Yu, Bogdan Carbunar, Zhu Li, Weidong Shi
    20090320123, Issued December 2009

  • [IEEE TDSC] "JANUS: A Framework for Scalable and Secure Routing in Hybrid Wireless Networks".
    Bogdan Carbunar, Ioannis Ioannidis, Cristina Nita-Rotaru.
    IEEE Transactions on Dependable and Secure Computing (TDSC), Volume 6, Number 4, October-December 2009 [pdf]

  • [ACM WPES] "XPay: Practical Anonymous Payments for Tor Routing and Other Networked Services".
    Yao Chen, Radu Sion, Bogdan Carbunar.
    In Proceedings of the 8th ACM Workshop on Privacy in the Electronic Society (WPES), Chicago, November 2009 [pdf]

  • [CoSe] "A Personal Mobile DRM Manager for Smart-Phones".
    Siddharth Bhatt, Radu Sion, Bogdan Carbunar.
    Elsevier Computers and Security Journal, Volume 28, Issue 6, September 2009 [pdf]

  • [ACM SACMAT] "Efficient Access Enforcement in Distributed Role-Based Access Control (RBAC) Deployment. s".
    Mahesh Tripunitara, Bogdan Carbunar.
    In Proceedings of the 14th ACM Symposium on Access Control Models and Technologies (SACMAT), Stresa, June 2009 [pdf]

  • [JPDC] "Efficient Tag Detection in RFID Systems".
    Bogdan Carbunar, Murali Krishna Ramanathan, Mehmet Koyuturk, Suresh Jagannathan, Ananth Grama.
    Journal of Parallel and Distributed Computing (JPDC), Volume 69, Issue 2, February 2009 [pdf]

  • [PATENT] "Method and apparatus for performing anonymous source routing".
    Bogdan Carbunar, Michael Pearce, Weidong Shi, Yang Yu.
    US 7,532,587, Issued May 2009.

    2008

  • [CANS] "Conditional Payments for Computing Markets".
    Bogdan Carbunar, Mahesh Tripunitara.
    In Proceedings of the 7th International Conference on Cryptology and Network Security (CANS), Hong Kong, December 2008

  • [ACM CCS] "Building Castles out of Mud: Access Pattern Privacy and Correctness on Untrusted Storage".
    Peter Williams, Radu Sion, Bogdan Carbunar.
    In Proceedings of the 15th ACM Computer and Communications Security Conference (CCS)[18%], Alexandria, October 2008 [pdf]

  • [IEEE ICNP] "Byzantine Resilient Synchronization for Content and Presence Updates in MANETs".
    Bogdan Carbunar, Michael Pearce, Shivajit Mohapatra, Loren J. Rittle, Venu Vasudevan.
    In Proceedings of the 16th IEEE International Conference on Network Protocols (ICNP)[16%], Orlando, October 2008 [pdf]

  • [SPIE/ACM MMCN] "Where-Fi: A Dynamic Energy-Efficient Multimedia Distribution Framework for MANETs".
    Shivajit Mohapatra, Bogdan Carbunar, Michael Pearce, Rohit Chaudhri, Venu Vasudevan.
    In Proceedings of the 15th SPIE/ACM Annual Multimedia Computing and Networking Conference (MMCN), San Jose, January 2008 [26%] [pdf]

    2007

  • [VLDB Demo] "NS2: Networked Searchable Store with Correctness". Demo paper.
    Radu Sion, Sumeet Bajaj, Bogdan Carbunar, Stefan Katzenbeisser.
    In Proceedings of the 33rd International Conference on Very Large Databases (VLDB), Vienna, September 2007 [pdf]

  • [IEEE SECON] "Query Privacy in Wireless Sensor Networks".
    Bogdan Carbunar, Yang Yu, Weidong (Larry) Shi, Michael Pearce, Venu Vasudevan.
    In Proceedings of the 4th IEEE International Conference on Sensor and Ad Hoc Communications and Networks (SECON), San Diego, June 2007 [20%] [pdf]

  • [IEEE IPDPS] "Verifiable Credit Based Transfers in Wireless Ad Hoc Networks".
    Bogdan Carbunar, Brett Lindsley, Michael Pearce, Venu Vasudevan.
    In Proceedings of the 21st IEEE International Parallel and Distributed Processing Symposium (IPDPS), Long Beach, March 2007 [26%] [pdf]

  • [FC] "Conditional E-Cash".
    Larry Shi, Bogdan Carbunar, Radu Sion.
    In Proceedings of the 11th Financial Cryptography and Data Security (FC), Trinidad/Tobago, February 2007 [18%] [pdf]

  • [FC Demo] "Personal Digital Rights Management for Mobile Cellular Devices".
    Siddharth Bhatt, Bogdan Carbunar, Radu Sion, Venu Vasudevan.
    Systems paper at the 11th Financial Cryptography and Data Security (FC), Trinidad/Tobago, February 2007

  • [ISOC NDSS] "On the Computational Practicality of Private Information Retrieval".
    Radu Sion, Bogdan Carbunar.
    In Proceedings of the 14th ISOC Network and Distributed Systems Security Symposium (NDSS), San Diego, February-March 2007 [15%] [pdf]

    2006

  • [FC] "Uncheatable Reputation for Distributed Computation Markets".
    Bogdan Carbunar, Radu Sion.
    In Proceedings of the 10th Financial Cryptography and Data Security (FC), Anguilla, British West Indies, February 2006 [29%] [pdf]

  • [ACM TOSN] "Redundancy and Coverage Detection in Sensor Networks".
    Bogdan Carbunar, Ananth Grama, Jan Vitek, Octavian Carbunar.
    ACM Transactions on Sensor Networks (TOSN), Volume 2, Issue 1, February 2006 [pdf]

    2005

  • [IEEE SECON] "Redundant-Reader Elimination in RFID Systems".
    Bogdan Carbunar, Murali K. Ramanathan, Mehmet Koyuturk, Ananth Grama, Christoph Hoffmann.
    In Proceedings of the 2nd IEEE International Conference on Sensor and Ad Hoc Communications and Networks (SECON), Santa Clara, September 2005 [27%] [pdf]

  • [IEEE WOWMOM] "High Throughput Routing in Hybrid Cellular and Ad-Hoc Networks".
    Ioannis Ioannidis, Bogdan Carbunar, Cristina Nita-Rotaru.
    In Proceedings of the 6th IEEE Symposium on World of Wireless, Mobile and Multimedia (WOWMOM), Taormina, July 2005 [pdf]

    2004

  • [ACM WiSe] "JANUS: Towards Secure and Malicious Resilient Routing in Hybrid Cellular and Ad Hoc Networks".
    Bogdan Carbunar, Ioannis Ioannidis, Cristina Nita-Rotaru.
    In Proceedings of the 3rd Workshop on Wireless Security (Wise), held in conjunction with Mobicom, Philadelphia, October 2004 [25%] [pdf]

  • [IEEE SECON] "Coverage Preserving Redundancy Elimination in Sensor Networks".
    Bogdan Carbunar, Ananth Grama, Jan Vitek, Octavian Carbunar.
    In Proceedings of the 1st IEEE International Conference on Sensor and Ad Hoc Communications and Networks (SECON), Santa Clara, October 2004 [18%] [pdf]

  • [IEEE MASS poster] "Scalable Routing in Hybrid Ad Hoc and Cellular Networks" (extended abstract/poster).
    Ioannis Ioannidis, Bogdan Carbunar.
    In proceedings of the 1st IEEE International Conference on Mobile Ad Hoc and Sensor Systems (MASS), Fort Lauderdale, October 2004

  • [ICETE] "A Secure Crediting Protocol for Hybrid Cellular and Ad Hoc Networks".
    Bogdan Carbunar, Ioannis Ioannidis, Ananth Grama, Jan Vitek.
    In Proceedings of the 1st International Conference on E-Business and Telecommunication Networks (ICETE), Setubal, August 2004 [pdf]

  • [IEEE ICPADS] "Distributed and Dynamic Voronoi Overlay Maintenance for Coverage Detection and Distributed Hash Tables in Ad Hoc Networks".
    Bogdan Carbunar, Ananth Grama, Jan Vitek.
    In Proceedings of the 10th IEEE International Conference on Parallel and Distributed Systems (ICPADS), Newport Beach, July 2004 [pdf]

  • [IEEE IPCCC poster] "A Public Key Algorithm for Ad Hoc Networks" (extended abstract/poster).
    Bogdan Carbunar, Ananth Grama, Jan Vitek.
    In Proceedings of the 23rd IEEE International Performance Computing and Communication Conference, Phoenix, April 15-17, 2004

    2002

  • [PDCS] "Boundary Tracking solutions for Mobile Ad Hoc Networks".
    Bogdan Carbunar, Nitya Narasimhan, Venu Vasudevan.
    In Proceedings of PDCS 2002, Cambridge, November 4-6, 2002

  • [MSCS] "Coordination and Mobility in CoreLime".
    Bogdan Carbunar, Marco Tulio Valente, Jan Vitek.
    Journal of "Mathematical Structures in Computer Science" (MSCS), 14(3), June 2004

    2001

  • [ConCoord] "CoreLime: A Coordination Model for Mobile Agents".
    Bogdan Carbunar, Marco Tulio Valente, Jan Vitek.
    ConCoord: Workshop on Concurency and Coordination, Lipari, July 6-8, 2001

  • [MA] "Lime Revisited: Reverse Engineering An Agent Communication Model".
    Bogdan Carbunar, Marco Tulio Valente, Jan Vitek.
    In Proceedings of MA2001, Atlanta, December 2-4, 2001

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