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PVLDB
2008
104views more  PVLDB 2008»
15 years 3 months ago
Efficient skyline querying with variable user preferences on nominal attributes
Current skyline evaluation techniques assume a fixed ordering on the attributes. However, dynamic preferences on nominal attributes are more realistic in known applications. In or...
Raymond Chi-Wing Wong, Ada Wai-Chee Fu, Jian Pei, ...
IJAC
2002
128views more  IJAC 2002»
15 years 3 months ago
Computational Complexity of Generators and Nongenerators in Algebra
Abstract. We discuss the computational complexity of several problems concerning subsets of an algebraic structure that generate the structure. We show that the problem of determin...
Clifford Bergman, Giora Slutzki
144
Voted
SDM
2008
SIAM
125views Data Mining» more  SDM 2008»
15 years 5 months ago
Mining and Ranking Generators of Sequential Patterns
Sequential pattern mining first proposed by Agrawal and Srikant has received intensive research due to its wide range applicability in many real-life domains. Various improvements...
David Lo, Siau-Cheng Khoo, Jinyan Li
ICCV
2009
IEEE
1052views Computer Vision» more  ICCV 2009»
16 years 8 months ago
A direct approach for efficiently tracking with 3D Morphable Models
We present an efficient algorithm for fitting a morphable model to an image sequence. It is built on a projective geometry formulation of perspective projection, which results in a...
Enrique Muñoz, José M. Buenaposada, Luis Baumela
ICECCS
2008
IEEE
122views Hardware» more  ICECCS 2008»
15 years 10 months ago
Efficient Embedded Runtime Systems through Port Communication Optimization
Traditionally shared data areas have been used to efficiently communicate between embedded system tasks, such as periodically executing control system tasks. Such implementations ...
Peter H. Feiler