منابع مشابه
Context Learning with the Self Organizing Map
In this paper a Recurrent Self-Organizing Map (RSOM) algorithm is proposed for temporal sequence processing. The RSOM algorithm is close in nature to the Kohonen's Self-Organizing Map, except that in the RSOM context of the temporal sequence is involved both in the best matching unit nding and in the adaptation of the weight vectors of the map via an introduced recursive di erence equation asso...
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The Self-Organizing Map (SOM) is a popular algorithm to analyze the structure of a dataset. However, some topological constraints of the SOM are fixed before the learning and may not be relevant regarding to the data structure. In this paper we propose to improve the SOM performance with a new algorithm which learn the topological constraints of the map using data structure information. Experim...
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Received: 20 August 2004 Revised: 19 January 2005 Accepted: 24 January 2005 Online publication date: 3 March 2005 Abstract One of the main tasks in exploratory data analysis is to create an appropriate representation for complex data. In this paper, the problem of creating a representation for observations lying on a low-dimensional manifold embedded in high-dimensional coordinates is considere...
متن کاملA Constant Learning Rate Self-Organizing Map (CLRSOM) Learning Algorithm
In a conventional SOM, it is of utmost importance that a certain and consistently decreasing learning rate function be chosen. Decrease the learning rate too fast, the map will not get converged and the performance of the SOM may take a steep fall, and if too slow, the procedure would take a large amount of time to get carried out. For overcoming this problem, we have hereafter proposed a const...
متن کاملClassification of Streaming Fuzzy DEA Using Self-Organizing Map
The classification of fuzzy data is considered as the most challenging areas of data analysis and the complexity of the procedures has been obstacle to the development of new methods for fuzzy data analysis. However, there are significant advances in modeling systems in which fuzzy data are available in the field of mathematical programming. In order to exploit the results of the researches on ...
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ژورنال
عنوان ژورنال: Computer and Information Science
سال: 2016
ISSN: 1913-8997,1913-8989
DOI: 10.5539/cis.v9n1p136