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DASFAA
2008
IEEE
168views Database» more  DASFAA 2008»
15 years 5 months ago
SemanticTwig: A Semantic Approach to Optimize XML Query Processing
Twig pattern matching (TPM) is the core operation of XML query processing. Existing approaches rely on either efficient data structures or novel labeling/indexing schemes to reduce...
Zhifeng Bao, Tok Wang Ling, Jiaheng Lu, Bo Chen
DSRT
2008
IEEE
15 years 5 months ago
Modeling System Security Rules with Time Constraints Using Timed Extended Finite State Machines
Security and reliability are of paramount importance in designing and building real-time systems because any security failure can put the public and the environment at risk. In th...
Wissam Mallouli, Amel Mammar, Ana R. Cavalli
GLOBECOM
2008
IEEE
15 years 5 months ago
Network Formation Games for Distributed Uplink Tree Construction in IEEE 802.16J Networks
— This paper investigates the problem of the formation of an uplink tree structure among the IEEE 802.16j network’s relay stations (RSs) and their serving base station (MR-BS)....
Walid Saad, Zhu Han, Mérouane Debbah, Are H...
ICIP
2008
IEEE
15 years 5 months ago
A fast level set algorithm for shape-based segmentation with multiple selective priors
This paper addresses the shape-based segmentation problem using level sets. In particular, we propose a fast algorithm to solve the piece-wise constant Chan-Vese segmentation mode...
Rachid Fahmi, Aly A. Farag
ICMCS
2008
IEEE
207views Multimedia» more  ICMCS 2008»
15 years 5 months ago
Structure learning in a Bayesian network-based video indexing framework
Several stochastic models provide an effective framework to identify the temporal structure of audiovisual data. Most of them need as input a first video structure, i.e. connecti...
Siwar Baghdadi, Guillaume Gravier, Claire-Hé...