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MOBISYS
2011
ACM
14 years 4 months ago
Opportunistic alignment of advertisement delivery with cellular basestation overloads
This paper is motivated by two observations: (1) cellular network operators are actively exploring advertisement delivery as a new means of revenue generation, and (2) cellular ba...
Ravi Kokku, Rajesh Mahindra, Sampath Rangarajan, H...
AINA
2008
IEEE
15 years 8 months ago
Exploiting Frequent Episodes in Weighted Suffix Tree to Improve Intrusion Detection System
In this paper we proposed a weighted suffix tree and find out it can improve the Intrusion Detection System (IDS). We firstly focus on the analysis of computer kernel system call,...
Min-Feng Wang, Yen-Ching Wu, Meng-Feng Tsai
AINA
2010
IEEE
15 years 7 months ago
Against Spyware Using CAPTCHA in Graphical Password Scheme
—Text-based password schemes have inherent security and usability problems, leading to the development of graphical password schemes. However, most of these alternate schemes are...
Liming Wang, Xiuling Chang, Zhongjie Ren, Haichang...
NDSS
2002
IEEE
15 years 6 months ago
Experimenting with Server-Aided Signatures
This paper explores practical and conceptual implications of using Server-Aided Signatures (SAS). SAS is a signature method that relies on partially-trusted servers for generating...
Xuhua Ding, Daniele Mazzocchi, Gene Tsudik
AINA
2003
IEEE
15 years 5 months ago
Signature Schemes Based on Two Hard Problems Simultaneously
In 1994, Harn proposed a signature scheme based on the modified ElGamal's scheme and claimed that the security relies on both of the factorization and the discrete logarithm....
Ching-Te Wang, Chu-Hsing Lin, Chin-Chen Chang