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CCS
2010
ACM
15 years 7 months ago
Attacks and design of image recognition CAPTCHAs
We systematically study the design of image recognition CAPTCHAs (IRCs) in this paper. We first review and examine all IRCs schemes known to us and evaluate each scheme against th...
Bin B. Zhu, Jeff Yan, Qiujie Li, Chao Yang, Jia Li...
SIGCOMM
2010
ACM
15 years 7 months ago
NetFence: preventing internet denial of service from inside out
Denial of Service (DoS) attacks frequently happen on the Internet, paralyzing Internet services and causing millions of dollars of financial loss. This work presents NetFence, a s...
Xin Liu, Xiaowei Yang, Yong Xia
PAISI
2010
Springer
15 years 4 months ago
Efficient Privacy Preserving K-Means Clustering
Abstract. This paper introduces an efficient privacy-preserving protocol for distributed K-means clustering over an arbitrary partitioned data, shared among N parties. Clustering i...
Maneesh Upmanyu, Anoop M. Namboodiri, Kannan Srina...
TITB
2010
128views Education» more  TITB 2010»
15 years 1 months ago
Data-Centric Privacy Protocol for Intensive Care Grids
Abstract--Modern e-Health systems require advanced computing and storage capabilities, leading to the adoption of technologies like the grid and giving birth to novel health grid s...
J. Luna, Marios D. Dikaiakos, Manolis Marazakis, T...
IACR
2011
135views more  IACR 2011»
14 years 6 months ago
An Improved Internet Voting Protocol
Norway is going to experience an Internet voting scheme in September 2011 for local governmental elections, targeting a comprehensive Internet voting system in 2017 for national el...
Mehmet Sabir Kiraz, Süleyman Kardas, Muhammed...