نتایج جستجو برای: extended classifier systems

تعداد نتایج: 1405343  

2016
Gandhimathi Moharasan Ho Tu Bao

The Holab team from Japan Advanced Institute of Science and Technology (JAIST) participated in NTCIR-12 Temporal Intent Disambiguation (TID) subtask. Objective of this task is to predict temporal classes of a query which is extended from NTCIR-11 Temporal Intent Query Classification (TIQC) subtask [6] , [7]. We exploited most famous and well-defined Naive-Bayes classifier to accomplish our obje...

2013
Luiz Henrique de Campos Merschmann Alex Alves Freitas

Gene function prediction and protein function prediction are complex classification problems where the functional classes are structured according to a predefined hierarchy. To solve these problems, we propose an extended local hierarchical Naive Bayes classifier, where a binary classifier is built for each class in the hierarchy. The extension to conventional local approaches is that each clas...

Journal: :physical chemistry research 2014
mohammed t. zafarani-moattar parisa jafari

the modified nrtl (m-nrtl) model is used to represent the excess gibbs free energy of aqueous (alcohol + electrolyte) solutions. in this work, the m-nrtl model previously developed for representation of vapor-liquid equilibria for (polymer + salt + water) systems has been extended to represent liquid-liquid equilibria of (alcohol + salt + water) systems. the proposed extension is a modified of ...

Journal: :journal of medical signals and sensors 0
reza azmi boshra pishgoo narges norozi samira yeganeh

brain mr images tissue segmentation is one of the most important parts of the clinical diagnostic tools. pixel classification methods have been frequently used in the image segmentation with two supervised and unsupervised approaches up to now. supervised segmentation methods lead to high accuracy but they need a large amount of labeled data, which is hard, expensive and slow to obtain. moreove...

1998
STUDI DI SALERNO Giorgio GIACINTO Innocenzo M. PINTO Giorgio Giacinto

In the field of pattern recognition, multiple classifier systems based on the combination of outputs of a set of different classifiers have been proposed as a method for the development of high performance classification systems. In this chapter, the problem of multiple classifier system design is discussed and the reader is provided with a critical survey of the state of the art. A formulation...

Journal: :Artif. Intell. 1989
Lashon B. Booker David E. Goldberg John H. Holland

Classifier systems are massively parallel, message-passing, rule-based systems that learn through credit assignment (the bucket brigade algorithm) and rule discovery (the genetic algorithm). They typically operate in environments that exhibit one or more of the following characteristics: (1) perpetually novel events accompanied by large amounts of noisy or irrelevant data; (2) continual, often ...

2009
Battista Biggio Giorgio Fumera Fabio Roli

Multiple classifier systems are widely used in security applications like biometric personal authentication, spam filtering, and intrusion detection in computer networks. Several works experimentally showed their effectiveness in these tasks. However, their use in such applications is motivated only by intuitive and qualitative arguments. In this work we give a first possible formal explanation...

1994
Robert M. MacGregor

A description classifier organizes concepts and relations into a taxonomy based on the results of subsumption computations applied to pairs of relation definitions. Until now, description classifiers have only been designed to operate over definitions phrased in highly restricted subsets of the predicate calculus. This paper describes a classifier able to reason with definitions phrased in the ...

Journal: :journal of sciences, islamic republic of iran 2011
n. elyasi

in this paper mathematical structure of time-dependent lagrangian systems and their symmetries are extended and the explicit relation between constants of motion and infinitesimal symmetries of time-dependent lagrangian systems are considered. starting point is time-independent lagrangian systems ,then we extend mathematical concepts of these systems such as equivalent lagrangian systems to the...

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