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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
398*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
2702002
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
195*
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
1842006
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
1062006
Information hiding through errors: a confusing approach
M Topkara, U Topkara, MJ Atallah
Security, Steganography, and Watermarking of Multimedia Contents IX 6505 …, 2007
1052007
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
782006
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
612005
Social authentication of users
PC Castro, U Topkara
US Patent 8,914,848, 2014
542014
Tag authentication and location verification service
C Narayanaswami, U Topkara
US Patent 9,729,604, 2017
502017
Natural language watermarking
MM Atallah, S Bangalore, DZ Hakkani-Tur, G Riccardi, M Topkara, ...
US Patent 8,589,148, 2013
492013
Towards universal speech recognition
Z Wang, U Topkara, T Schultz, A Waibel
Proceedings. Fourth IEEE International Conference on Multimodal Interfaces …, 2002
462002
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
372007
Two-dimensional barcode to avoid unintentional scanning
C Narayanaswami, U Topkara
US Patent 9,715,647, 2017
352017
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
332016
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
302017
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
292015
Inferring functional information from domain co-evolution
Y Kim, M Koyutürk, U Topkara, A Grama, S Subramaniam
Bioinformatics 22 (1), 40-49, 2006
292006
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
282014
Secure management of low power fitness trackers
M Rahman, B Carbunar, U Topkara
IEEE Transactions on Mobile Computing 15 (2), 447-459, 2015
212015
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