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Text classification of large-size corpora is time-consuming for implementation of classification algorithms. For this reason, it is important to reduce dimension of text classification problems. We propose a method for dimension reduction based on hierarchical agglomerative clustering of terms and cluster weight optimization using cooperative coevolutionary genetic algorithm. The method was applied...
Natural language call routing can be treated as an instance of topic categorization of documents after speech recognition of calls. This categorization consists of two important parts. The first one is text preprocessing for numerical data extraction and the second one is classification with machine learning methods. This paper focuses on different text preprocessing methods applied for call routing...
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