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2007
15 years 4 months ago
Semantic optimization techniques for preference queries
Preference queries are relational algebra or SQL queries that contain occurrences of the winnow operator (find the most preferred tuples in a given relation). Such queries are pa...
Jan Chomicki
ISCI
2007
138views more  ISCI 2007»
15 years 4 months ago
A fast algorithm for one-unit ICA-R
Independent component analysis (ICA) aims to recover a set of unknown mutually independent source signals from their observed mixtures without knowledge of the mixing coefficients...
Qiu-Hua Lin, Yong-Rui Zheng, Fuliang Yin, Hualou L...
ISJGP
2007
146views more  ISJGP 2007»
15 years 4 months ago
End-to-End Security Across Wired-Wireless Networks for Mobile Users
Abstract  Recent advances in mobile computing and wireless communication technologies are enabling high mobility and flexibility of anytime, anywhere service access for mobile us...
Sherali Zeadally, Nicolas Sklavos, Moganakrishnan ...
IVC
2007
111views more  IVC 2007»
15 years 4 months ago
Colour text segmentation in web images based on human perception
There is a significant need to extract and analyse the text in images on Web documents, for effective indexing, semantic analysis and even presentation by non-visual means (e.g....
Dimosthenis Karatzas, Apostolos Antonacopoulos
IVC
2007
102views more  IVC 2007»
15 years 4 months ago
Analysis of the rubberband algorithm
We consider simple cube-curves in the orthogonal 3D grid of cells. The union of all cells contained in such a curve (also called the tube of this curve) is a polyhedrally bounded s...
Fajie Li, Reinhard Klette