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Self-organizing map (SOM) is well known for its ability to visualize and reduce the dimension of the data. It has been a useful unsupervised tool for clustering problems for years. In this paper, a new classification framework based on SOM is introduced. In this approach, SOM is combined with the learning vector quantization (LVQ) to form a modified version of the SOM classifier, SOM-LVQ. The classification system is improved by applying an adaptive boosting algorithm with base learners are SOM-LVQ classifiers. Two decision fusion strategies are adopted in Adaboost algorithm, which are majority voting and weighted voting. Experimental results based on a real dataset show that the newly proposed classification approach for SOM outperforms traditional supervised SOM. The results also suggest that this model can be applicable in real classification problems.