نتایج جستجو برای: ensemble learning techniques

تعداد نتایج: 1203533  

2011
Neera Saxena Abbas Kazmi

This paper presents an ensemble of neo-cognitron neural network base classifiers to enhance the accuracy of the system, along the experimental results. The method offers lesser computational preprocessing in comparison to other ensemble techniques as it ex-preempts feature extraction process before feeding the data into base classifiers. This is achieved by the basic nature of neo-cognitron, it...

2009
Zhi-Hua Zhou

Boosting is a kind of ensemble methods which produce a strong learner that is capable of making very accurate predictions by combining rough and moderately inaccurate learners (which are called as base learners or weak learners). In particular, Boosting sequentially trains a series of base learners by using a base learning algorithm, where the training examples wrongly predicted by a base learn...

2006
Mahdi Milani Fard

Ensemble learning methods have received considerable attention in the past few years. Various methods for combining several learning experts have been developed and used in different domains of machine learning. Many works have focused on decision fusion of different exports. Some methods try to train all the experts on the same training data and then use statistical techniques to combine the r...

2017
Samira Ellouze Maher Jaoua Lamia Hadrich Belguith

The present paper introduces a newMultiling text summary evaluation method. This method relies on machine learning approach which operates by combining multiple features to build models that predict the human score (overall responsiveness) of a new summary. We have tried several single and “ensemble learning” classiers to build the best model. We have experimented our method in summary level ev...

2012
Ryan A. Rossi Jennifer Neville

Relational networks often evolve over time by the addition, deletion, and changing of links, nodes, and attributes. However, accurately incorporating the full range of temporal dependencies into relational learning algorithms remains a challenge. We propose a novel framework for discovering temporal-relational representations for classification. The framework considers transformations over all ...

1992

Figure 1. A stylized depiction of how to combine the two generalizers G 1 and G 2 via stacked generalization. A learning set L is symbolically depicted by the full ellipse. We want to guess what output corresponds to the question q. To do this we create a CVPS of L; one of these partitions is shown, splitting L into {(x, y)} and {L-(x, y)}. By training both G 1 and G 2 on {L-(x, y)}, asking bot...

2003
Jörg D. Wichard Christian Merkwirth

In the context of ensemble learning for regression problems, we study the effect of building ensembles from different model classes. Tests on real and simulated data sets show that this approach can improve model accuracy compared to ensembles from a single model class.

2000
Gunnar Rätsch Bernhard Schölkopf Alexander J. Smola Sebastian Mika Takashi Onoda Klaus-Robert Müller

2014
Tim Brys Matthew E. Taylor Ann Nowé

Recent work on multi-objectivization has shown how a single-objective reinforcement learning problem can be turned into a multi-objective problem with correlated objectives, by providing multiple reward shaping functions. The information contained in these correlated objectives can be exploited to solve the base, singleobjective problem faster and better, given techniques specifically aimed at ...

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