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ECCC
2007
185views more  ECCC 2007»
15 years 6 months ago
Trapdoors for Hard Lattices and New Cryptographic Constructions
We show how to construct a variety of “trapdoor” cryptographic tools assuming the worst-case hardness of standard lattice problems (such as approximating the length of the sho...
Craig Gentry, Chris Peikert, Vinod Vaikuntanathan
JSC
2011
74views more  JSC 2011»
15 years 1 months ago
Constructive homomorphisms for classical groups
Let Ω ≤ GLd(q) be a quasisimple classical group in its natural representation and let ∆ = NGLd(q)(Ω). We construct the projection from ∆ to ∆/Ω and provide fast, poly...
Scott H. Murray, Colva M. Roney-Dougal
IPMI
2005
Springer
16 years 7 months ago
Inverse Consistent Mapping in 3D Deformable Image Registration: Its Construction and Statistical Properties
Abstract. This paper presents a new approach to inverse consistent image registration. A uni-directional algorithm is developed using symmetric cost functionals and regularizers. I...
Alex D. Leow, Sung-Cheng Huang, Alex Geng, James T...
DIM
2009
ACM
16 years 1 months ago
Mnikr: reputation construction through human trading of distributed social identities
Reputation forms an important part of how we come to trust people in face-to-face interactions, and thus situations involving trust online have come to realize that reputation is ...
Brendan Francis O'Connor, John Linwood Griffin
ICDM
2006
IEEE
137views Data Mining» more  ICDM 2006»
16 years 19 days ago
Automatic Construction of N-ary Tree Based Taxonomies
Hierarchies are an intuitive and effective organization paradigm for data. Of late there has been considerable research on automatically learning hierarchical organizations of dat...
Kunal Punera, Suju Rajan, Joydeep Ghosh