Presenting an improved combination for classification of Persian texts
Publish Year: 1395
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICIKT08_042
تاریخ نمایه سازی: 5 بهمن 1395
Abstract:
Since text mining saves a large amount of information in text format, it has a very high potential application. One of the main applications of text mining is to classify texts in subject order. In this paper, we tried to propose a new method in order to increase classification accuracy and efficiency, by considering different methods of Persian text classification. We used a number of 5330 news of Hamshahri data collection, for classification. In pre-processing of texts for removing stop words, we proposed a new method by using entropy of words. To extract the feature, word frequencies, and Tf-idf methods have been used. K nearest neighbor algorithm, Naïve Bayes classification, and mixture of classifiers , have been used to classify texts, by using combinational classification and mixture of experts. Implementation of proposed method has caused a 15 percent improvement comparing to the previous works done on this data collection, by presenting entropy in pre-processing and also mixture of classifiers. In the best condition, scientific and cultural news has gained 96.36 percent classification accuracy.
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Authors
Morteza Jahantigh
Faculty of Engineering, University of Zanjan, Zanjan,Iran Zanjan, Iran
Mohammad Erfani
Islamic Azad University Qazvin Branch Faculty of Science and Research Qazvin, Iran
Negin Daneshpour
Faculty of Electrical and Computer Engineering, Shahid Rajaee Teacher Training University Tehran, Iran
Nargess Orojlou
Faculty of Mathematics, Statistics and Computer Science, Semnan University, Semnan, Iran
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