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PVLDB
2010
103views more  PVLDB 2010»
15 years 2 months ago
Fast Optimal Twig Joins
In XML search systems twig queries specify predicates on node values and on the structural relationships between nodes, and a key operation is to join individual query node matche...
Nils Grimsmo, Truls Amundsen Bjørklund, Mag...
USS
2010
15 years 1 months ago
ZKPDL: A Language-Based System for Efficient Zero-Knowledge Proofs and Electronic Cash
In recent years, many advances have been made in cryptography, as well as in the performance of communication networks and processors. As a result, many advanced cryptographic pro...
Sarah Meiklejohn, C. Christopher Erway, Alptekin K...
CVPR
2010
IEEE
15 years 1 months ago
Natural gradients for deformable registration
We apply the concept of natural gradients to deformable registration. The motivation stems from the lack of physical interpretation for gradients of image-based difference measure...
Darko Zikic, Ali Kamen, Nassir Navab
DATAMINE
1999
143views more  DATAMINE 1999»
15 years 3 months ago
Partitioning Nominal Attributes in Decision Trees
To find the optimal branching of a nominal attribute at a node in an L-ary decision tree, one is often forced to search over all possible L-ary partitions for the one that yields t...
Don Coppersmith, Se June Hong, Jonathan R. M. Hosk...
CVPR
1999
IEEE
16 years 5 months ago
Projective Rotations Applied to a Pan-Tilt Stereo Head
A non-metric pan-tilt stereo-head consists of a weakly calibrated stereo rig mounted on a pan-tilt mechanism. It is called non-metric since neither the kinematics of the mechanism...
Andreas Ruf, Radu Horaud