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MASCOTS
2003
15 years 4 months ago
Derivation of Passage-time Densities in PEPA Models using ipc: the Imperial PEPA Compiler
We present a technique for defining and extracting passage-time densities from high-level stochastic process algebra models. Our high-level formalism is PEPA, a popular Markovian...
Jeremy T. Bradley, Nicholas J. Dingle, Stephen T. ...
PRL
2008
88views more  PRL 2008»
15 years 3 months ago
Time-efficient spam e-mail filtering using n-gram models
In this paper, we propose spam e-mail filtering methods having high accuracies and low time complexities. The methods are based on the n-gram approach and a heuristics which is re...
Ali Çiltik, Tunga Güngör
TDSC
2008
87views more  TDSC 2008»
15 years 3 months ago
Credit Card Fraud Detection Using Hidden Markov Model
Due to a rapid advancement in the electronic commerce technology, the use of credit cards has dramatically increased. As credit card becomes the most popular mode of payment for bo...
Abhinav Srivastava, Amlan Kundu, Shamik Sural, Aru...
WSC
2008
15 years 5 months ago
Supply chain risks analysis by using jump-diffusion model
This paper investigates the effects of demand risk on the performance of supply chain in continuous time setting. The inventory level has been modeled as a jump-diffusion process ...
Xianzhe Chen, Jun Zhang
126
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ICIP
2003
IEEE
16 years 4 months ago
PDE-based modeling of image segmentation using volumic flooding
The classical case of morphological segmentation is based on the watershed transform, constructed by flooding the gradient image, which is seen as a topographic surface, with cons...
Anastasia Sofou, Petros Maragos