Umut Topkara
Umut Topkara
IBM Research, Purdue University
Verified email at topkara.org - Homepage
Title
Cited by
Cited by
Year
Pairwise alignment of protein interaction networks
M Koyutürk, Y Kim, U Topkara, S Subramaniam, W Szpankowski, ...
Journal of Computational Biology 13 (2), 182-199, 2006
381*2006
Natural language watermarking and tamperproofing
MJ Atallah, V Raskin, CF Hempelmann, M Karahan, R Sion, U Topkara, ...
International workshop on information hiding, 196-212, 2002
2572002
The hiding virtues of ambiguity: quantifiably resilient watermarking of natural language text through synonym substitutions
U Topkara, M Topkara, MJ Atallah
Proceedings of the 8th workshop on Multimedia and security, 164-174, 2006
1632006
User authentication for devices with touch sensitive elements, such as touch sensitive display screens
UT S Bayram, AE Dirik, N Memon
US Patent 20,100,225,443, 0
162*
Information hiding through errors: a confusing approach
M Topkara, U Topkara, MJ Atallah
Security, Steganography, and Watermarking of Multimedia Contents IX 6505, 65050V, 2007
952007
Attacks on lexical natural language steganography systems
CM Taskiran, U Topkara, M Topkara, EJ Delp
Security, Steganography, and Watermarking of Multimedia Contents VIII 6072 …, 2006
872006
Words are not enough: sentence level natural language watermarking
M Topkara, U Topkara, MJ Atallah
Proceedings of the 4th ACM international workshop on Contents protection and …, 2006
692006
Have the cake and eat it too-Infusing usability into text-password based authentication systems
S Jeyaraman, U Topkara
21st Annual Computer Security Applications Conference (ACSAC'05), 10 pp.-482, 2005
542005
Towards universal speech recognition
Z Wang, U Topkara, T Schultz, A Waibel
Proceedings. Fourth IEEE International Conference on Multimodal Interfaces …, 2002
452002
Social authentication of users
PC Castro, U Topkara
US Patent 8,914,848, 2014
392014
Natural language watermarking
MM Atallah, S Bangalore, DZ Hakkani-Tur, G Riccardi, M Topkara, ...
US Patent 8,589,148, 2013
372013
A context-aware user-item representation learning for item recommendation
L Wu, C Quan, C Li, Q Wang, B Zheng, X Luo
ACM Transactions on Information Systems (TOIS) 37 (2), 1-29, 2019
352019
Passwords decay, words endure: Secure and re-usable multiple password mnemonics
U Topkara, MJ Atallah, M Topkara
Proceedings of the 2007 ACM symposium on Applied computing, 292-299, 2007
352007
System and method to operate a drone
GF Boland, JR Kozloski, Y Ma, JG Manweiler, KE Siemonsen, U Topkara, ...
US Patent 10,095,243, 2018
27*2018
Inferring functional information from domain co-evolution
Y Kim, M Koyutürk, U Topkara, A Grama, S Subramaniam
Bioinformatics 22 (1), 40-49, 2006
272006
Automatically generating challenge questions inferred from user history data for user authentication
PC Castro, JW Ligman, DM Lubensky, M Pistoia, JJ Ponzo, U Topkara
US Patent App. 13/735,382, 2014
262014
System and method to operate a drone
GF Boland, JR Kozloski, Y Ma, JG Manweiler, KE Siemonsen, U Topkara, ...
US Patent 9,471,064, 2016
222016
Automatically generating challenge questions inferred from user history data for user authentication
PC Castro, JW Ligman, DM Lubensky, M Pistoia, JJ Ponzo, U Topkara
US Patent 8,955,058, 2015
212015
Camera based two factor authentication through mobile and wearable devices
M Azimpourkivi, U Topkara, B Carbunar
Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous …, 2017
182017
Secure management of low power fitness trackers
M Rahman, B Carbunar, U Topkara
IEEE Transactions on Mobile Computing 15 (2), 447-459, 2015
162015
The system can't perform the operation now. Try again later.
Articles 1–20