Collaboration systems, human-centered computing, privacy, P2P and sensor networks.
Publications
Zhengyi Le, Yi Ouyang, Yurong Xu, and Fillia Makedon, "Mobile Device Protection against Loss and Capture", Proceedings of the 1st International Conference on Pervasive Technologies Related to Assistive Environments (PETRA'08), to appear.
Vangelis Metsis, Zhengyi Le, Yu Lei, and Fillia Makedon, "Towards An Evaluation Framework for Assistive Environments", Proceedings of the 1st International Conference on Pervasive Technologies Related to Assistive Environments (PETRA'08), to appear.
Yi Ouyang, Yurong Xu, Zhengyi Le, Guanling Chen, and Fillia Makedon, "Providing Location Privacy in Assisted Living Environments", Proceedings of the 1st International Conference on Pervasive Technologies Related to Assistive Environments (PETRA'08), to appear.
Yi Ouyang, Zhengyi Le, Donggang Liu, James Ford, and Fillia Makedon, "Source Location Privacy against Laptop-Class Attacks in Sensor Networks", Proceedings of the 4th International COnfrence on Security and Privacy in Communication Networks (SecreComm'08), to appear.
Yurong Xu, Yi Ouyang, Zhengyi Le, James Ford, and Fillia Makedon, "Analysis of Range-Free Anchor-Free Localization in a WSN under Wormhole Attack", Proceedings of the 10th ACM/IEEE International Symposium on Modeling, Analysis and Simulation of Wireless and Mobile Systems (MSWiM'07), pp. 344-351, Chania, Crete Island, Greece, Oct 22-26, 2007.
Zhengyi Le, Yi Ouyang, Yurong Xu, James Ford, and Fillia Makedon, "Preventing Unofficial Information Propagation", Proceedings of the 9th International Conference on Information and Communication Security (ICICS'07), LNCS, Springer, pp. 113-125, Henan, China, Dec 12-15, 2007.
Yi Ouyang, Zhengyi Le, James Ford and Fillia Makedon, "PrivaSense: Providing Privacy Protection for Sensor Networks", Proceedings of the 5th ACM Conference on Embedded Networked Sensor Systems (SenSys'07), Sydney, Australia, Nov. 6-9, 2007.
Yurong Xu, Yi Ouyang, Zhengyi Le, James Ford, and Fillia Makedon, "Mobile Anchor-free Localization for Wireless Sensor Networks", Proceedings of the 3rd IEEE International Conference on Distributed Computing in Sensor Systems (DCOSS'07), LNCS, Springer, pp.96-109, Santa Fe, New Mexico, Jun.18-28, 2007.
Yi Ouyang, Zhengyi Le, Yurong Xu, Nikos Triandopoulos, Sheng Zhang, James Ford, and Fillia Makedon, "Providing Anonymity in Wireless Sensor Networks", Proceedings of the IEEE International Conference on Pervasive Services (ICPS'07), pp. 145-148, Istanbul, Turkey, July 15-20, 2007.
Fillia Makedon, Sheng Zhang, Zhengyi Le, James Ford, and Euripides Loukis, "Providing Recommendations in an Open Collaboration System", Proceedings of the 11th Panhellenic Conference on Informatics (PCI'07), volume A, pp. 239-248, Patras Greece, May 18-20, 2007.
James Ford, Yan Zhao, Song Ye, Sheng Zhang, Fillia Makedon, Zhengyi Le, Alexandros Koulouris, and Sarantos Kapidakis, "Visualizing Negotiation Communications in Setting Library Sharing Policies", International Journal of Applied Systemic Studies (IJASS), to appear.
Zhengyi Le, James Ford, Vangelis Karkaletsis, Vassilios Spiliopoulos Sokratis Katsikas, and Fillia Makedon, "Secure Group Collaboration in an Open Healthcare Environment", Proceedings of the 4th Annual International Conference on Information Communication Technologies in Health (ICICTH'06), Samos, Greece, July 13-15, 2006.
Yi Ouyang, Zhengyi Le, Guanling Chen, James Ford, and Fillia Makedon, "Entrapping Adversaries for Source Protection in Sensor Networks", Proceedings of the IEEE International Symposium on a World of Wireless, Mobile and Multimedia Networks (WoWMoM'06), pp. 23-34, Buffalo, NY, June 26-29, 2006.
Zhengyi Le, Yi Ouyang, James Ford, and Filllia Makedon, " OC: A System for Open Collaborations", Proceedings of the 1st International Workshop on Security, Privacy and Trust in Pervasive and Ubiquitous Computing (SecPerU'05), pp. 93-99, Santorini, Greece, July 14, 2005.
Yi Ouyang, Zhengyi Le, James Ford, and Fillia Makedon, "Local Data Protection for In-Network Processing in Sensor Networks", Proceedings of the IEEE International Conference on Pervasive Services (ICPS'05), pp. 69-78, Santorini, Greece, July 11-14, 2005.
Tilmann Steinberg, Zhengyi Le, Yi Ouyang, Zhifeng Wang, Wei Zheng, Fillia Makedon, Heather Wishart, Andrew Saykin, and Euripides Loukis, "Modeling MS Lesion Objects for Medical Information Exchange", Proceedings of the 3rd International Conference on Information Communication Technologies in Health (ICICTH'05), Samos Island, Greece, July 7-9, 2005.
James Ford, Yan Zhao, Song Ye, Sheng Zhang, Fillia Makedon, Zhengyi Le, Alexandros Koulouris, and Sarantos Kapidakis, "Visualizing Negotiation Communications in Setting Library Sharing Policies", Proceedings of the 1st National Conference of the Hellenic Society for Systemic Studies (HSSS'05), pp. 192-208, Tripolis, Greece, May 12-14, 2005.
Zhengyi Le, James Ford, and Fillia Makedon, "A Platform for Data Sharing in an Open Health Environment", Proceedings of the European Federation of Medical Informatics Special Topic Conference on "Health and Medical Informatics Applications - Educational Aspects" (EFMI-STC'05), pp. 139-142, Athens, Greece, March 19-20, 2005.
Zhengyi Le, Yi Ouyang, James Ford, and Fillia Makedon, "A Hierarchical Key-Insulated Signature Scheme in The CA Trust Model", Proceedings of the 7th International Conference on Information Security (ISC'04), LNCS, Springer, pp. 280-291, Palo Alto, CA, September 27-29, 2004.
Refereeing and Academic Experience
Workshop co-chair, program and organizing committee for the First International Conference on Pervasive Technologies Related to Assistive Environments (PETRAE 2008).
Technical editor for the Electronic Journal for E-Commerce Tools and Applications (eJETA.org).
Reviewer for ACM Transactions on the Web (ACM TWEB), IEEE Wireless Communications and Networking Conference, Security Technology of Elsevier Science's Journal of Systems and Software.