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CRYPTO
2011
Springer
232views Cryptology» more  CRYPTO 2011»
13 years 9 months ago
Optimal Structure-Preserving Signatures in Asymmetric Bilinear Groups
Structure-preserving signatures are signatures defined over bilinear groups that rely on generic group operations. In particular, the messages and signatures consist of group elem...
Masayuki Abe, Jens Groth, Kristiyan Haralambiev, M...
PKC
2012
Springer
219views Cryptology» more  PKC 2012»
13 years 11 days ago
On the Security of Dynamic Group Signatures: Preventing Signature Hijacking
We identify a potential weakness in the standard security model for dynamic group signatures which appears to have been overlooked previously. More specifically, we highlight tha...
Yusuke Sakai, Jacob C. N. Schuldt, Keita Emura, Go...
SIGSOFT
2000
ACM
15 years 2 months ago
Automating first-order relational logic
An automatic analysis method for first-order logic with sets and relations is described. A first-order formula is translated to a quantifier-free boolean formula, which has a mode...
Daniel Jackson
LICS
2010
IEEE
14 years 7 months ago
On the Strictness of the First-Order Quantifier Structure Hierarchy over Finite Structures
One of the major interests of finite model theory is to separate the expressive power of different logics or fragments of logics. In this paper, we define a variant of EhrenfeuchtF...
Yuguo He
ICDM
2007
IEEE
153views Data Mining» more  ICDM 2007»
15 years 4 months ago
HSN-PAM: Finding Hierarchical Probabilistic Groups from Large-Scale Networks
Real-world social networks are often hierarchical, reflecting the fact that some communities are composed of a few smaller, sub-communities. This paper describes a hierarchical B...
Haizheng Zhang, Wei Li, Xuerui Wang, C. Lee Giles,...