Publications:
M. Topkara, B. Rogowitz, S. Wood, J. Boston, "Collaborative Editing of Micro-tags", CHI Work-in-Progress (CHI'09), Boston, MA, April 2009.
B. Rogowitz, M. Topkara, "Tags, Micro-Tags and Tag Editing: Improving Internet Search", Human Vision and Electronic Imaging (HVEI'09), San Jose, CA, January 2009.
U. Topkara, M. Topkara, M. J. Atallah, "Passwords for Everyone: Secure Mnemonic-based Accessible Authentication", Proceedings of USENIX Annual Technical Conference, (USENIX 07), Santa Clara, CA, June 2007.
U. Topkara, M. J. Atallah, M. Topkara,"Passwords Decay, Words Endure: Secure and Re-usable Multiple Password Mnemonics ", Proceedings of 22nd Annual ACM Symposium on Applied Computing (SAC 07), Seoul, Korea, March 2007.
M. Topkara, U. Topkara, M. J. Atallah, "Information Hiding through Errors: A Confusing Approach", Proceedings of the SPIE International Conference on Security, Steganography, and Watermarking of Multimedia Contents, January 29- February 1, 2007, San Jose, CA.
M. Topkara, U. Topkara, M. J. Atallah, "Words Are Not Enough: Sentence Level Natural Language Watermarking", Proceedings of ACM Workshop on Content Protection and Security (in conjuction with ACM Multimedia), Santa Barbara, CA, October 27, 2006.
M. Topkara, "Natural Language Watermarking", PhD Letter, Grace Hopper Celebration of Women in Computing Conference, October 4-7, 2006 in San Diego, California
U. Topkara, M. Topkara, M. J. Atallah, "The Hiding Virtues of Ambiguity: Quantifiably Resilient Watermarking of Natural Language Text through Synonym Substitutions" , Proceedings of ACM Multimedia and Security Workshop, Geneva, Switzerland, September 26-27, 2006.
C. Taskiran, U. Topkara, M. Topkara, E. J. Delp, "Attacks on Lexical Natural Language Steganography Systems", Proceedings of the SPIE International Conference on Security, Steganography, and Watermarking of Multimedia Contents, January 15 - 19, 2006, San Jose, CA.
M. Topkara, G. Riccardi, D. Hakkani-Tur, M. J. Atallah, "Natural Language Watermarking: Challenges in Building a Practical System", Proceedings of the SPIE International Conference on Security, Steganography, and Watermarking of Multimedia Contents, January 15 - 19, 2006, San Jose, CA. Slides
M. Topkara, A. Kamra, M. J. Atallah, C. Nita-Rotaru , "ViWiD: Visible Watermarking based Defense against Phishing", Proceedings of International Workshop on Digital Watermarking (IWDW), 2005. Slides
M. Topkara, C. Taskiran and E. J. Delp, "Natural Language Watermarking", Proceedings of the SPIE International Conference on Security, Steganography, and Watermarking of Multimedia Contents, January 17 - 21, 2005, San Jose, CA. Slides
M. Atallah, M. Bykova, J. Li, K. Frikken and M. Topkara ,"Private Collaborative Forecasting and Benchmarking", Proceedings of the ACM Workshop on Privacy in the Electronic Society (WPES'04), Washington, DC, USA, October 28, 2004.
M. Atallah, M. Bykova, J. Li, and M. Karahan, "Private Collaborative Forecasting and Benchmarking", CERIAS Technical Report TR 2004-22, Purdue University, Jun. 2004.
M. Topkara, U. Topkara, C. Taskiran, E. Lin, M. J. Atallah, E. J. Delp, "A Hierarchical Protocol for Increasing the Stealthiness of Steganographic Methods", Proceedings of the ACM Multimedia and Security Workshop, Magdeburg, Germany, September 20-21, 2004. Slides
M. Karahan, D. Hakkani-T|r, G. Riccardi, G. Tur, "Combining Classifiers for Spoken Language Understanding", Proceedings of ASRU-2003, 8th biannual IEEE workshop on Automatic Speech Recognition and Understanding, U.S. Virgin Islands, November 30 - December 3, 2003.
M. Atallah, V. Raskin, C. F. Hempelmann, M. Karahan, R. Sion, U. Topkara, K. E. Triezenberg, "Natural Language Watermarking and Tamperproofing", Fifth Information Hiding Workshop, IHW 2002, LNCS 2578, Springer Verlag, October 2002, Noordwijkerhout, The Netherlands
Thesis:
M. Topkara, "New Designs for Improving
the Efficiency and Resilience of Natural Language Watermarking" ,
August 2007.
Program Committee:
o Chair of Information Hiding into Natural Language Text Session at
the SPIE International Conference on Security, Steganography, and
Watermarking of Multimedia Contents VI, January 28 - February 1, 2007,
San Jose, CA.
o Co-Chair Natural Language Session at the SPIE International
Conference on Security, Steganography, and Watermarking of Multimedia
Contents, January 15 - 19, 2006, San Jose, CA.
Refereed for:
o Computer Human Interaction (CHI) Conference 2010
o International Journal of Computers and Applications 2009
o IEEE Transactions on Information Forensics and Security Journal 2008
o IEEE Transactions on Multimedia Journal 2008 (Special Issue on Communities and Media Computing)
o ACM Transactions on Information and System Security (TISSEC) 2007
o International Conference on Information and Communications Security (ICICS) 2006
o Journal of Research in Computational Molecular Biology (JRECOMB) 2005
o International Conference on Research in Computational Molecular Biology (RECOMB) 2005
o Symposium on Network and Distributed System Security (NDSS) 2005
o IEEE Global Telecommunications Conference (GlobeCom) 2005
Guest Lecture:
o "Introduction to Information Hiding" for CS519 Cryptography and Network Security at Bilkent University
o "Introduction to Information Hiding" for CS555 Cryptography at Purdue University