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DASFAA
2008
IEEE
168views Database» more  DASFAA 2008»
16 years 25 days 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
16 years 24 days 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
16 years 24 days 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
16 years 24 days 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»
16 years 24 days 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...