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EUROCRYPT
2003
Springer
15 years 11 months ago
CAPTCHA: Using Hard AI Problems for Security
We introduce captcha, an automated test that humans can pass, but current computer programs can’t pass: any program that has high success over a captcha can be used to solve an u...
Luis von Ahn, Manuel Blum, Nicholas J. Hopper, Joh...
MICRO
2010
IEEE
130views Hardware» more  MICRO 2010»
15 years 4 months ago
Pseudo-Circuit: Accelerating Communication for On-Chip Interconnection Networks
As the number of cores on a single chip increases with more recent technologies, a packet-switched on-chip interconnection network has become a de facto communication paradigm for ...
Minseon Ahn, Eun Jung Kim
SIGMOD
2009
ACM
476views Database» more  SIGMOD 2009»
16 years 1 months ago
MobileMiner: a real world case study of data mining in mobile communication
Mobile communication data analysis has been often used as a background application to motivate many data mining problems. However, very few data mining researchers have a chance t...
Tengjiao Wang, Bishan Yang, Jun Gao, Dongqing Yang...
SIGCOMM
2010
ACM
15 years 6 months ago
PixNet: LCD-camera pairs as communication links
Given the abundance of cameras and LCDs in today's environment, there exists an untapped opportunity for using these devices for communication. Specifically, cameras can tune...
Samuel David Perli, Nabeel Ahmed, Dina Katabi
ADT
2005
15 years 6 months ago
Multimedia communication in wireless sensor networks
Abstract-- The technological advances in Micro ElectroMechanical Systems (MEMS) and wireless communications have enabled the realization of wireless sensor networks (WSN) comprised...
Eren Gürses, Özgür B. Akan