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The present work is an attempt to show an way of applying the univariate marginal distribution algorithm to non-stationary environments. The main idea used for this purpose is to introduce mutation (to increase diversity) as and when the environment or the optimization function changes....
High power amplifier (HPA) is a main source of introducing nonlinear distortions in an orthogonal frequency division multiplexing (OFDM) systems. Methods of improving the power efficiency of a nonlinear amplifier include various amplifier linearization techniques. However amplifier linearization...
We propose a method that helps users to understand their own interests by extracting terms from selected link texts and generating a new browsing history, and arranging those terms and Web-page icons on to the user's interest space in chronological order. We have implemented a prototype system...
Extracting meaningful and understandable knowledge from a trained neural network is one of the ultimate goals in the area of data mining. In this paper, we propose a technique for extracting knowledge with less complex mathematical elaboration based on our activation interval projection on each...
With the increasing scope and scale of web-based application services, there is a greater need for flexibility and improved customisation. We report here on a web-based system which goes beyond conventional customisation techniques: according to their level of expertise, clients may not only...
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