Volume 11, Issue 4 (12-2019)                   IJICTR 2019, 11(4): 57-65 | Back to browse issues page

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Abdollahpouri A, Rahimi S, Zamani F, Moradi P. A text classification method based on combination of Information gain and graph clustering. IJICTR. 2019; 11 (4) :57-65
URL: http://ijict.itrc.ac.ir/article-1-453-en.html
1- Associate Professor University of Kurdistan , abdollahpouri@gmail.com
2- Master Graduated University of Kurdistan
3- Associate Professor University of Kurdistan
Abstract:   (428 Views)
Text classification has a wide range of applications such as: spam filtering, automated indexing of scientific articles, identification the genre of documents, news monitoring, and so on.  Text datasets usually contain much irrelevant and noisy information which eventually reduces the efficiency and cost of their classification. Therefore, for effective text classification, feature selection methods are widely used to handle the high dimensionality of data. In this paper, a novel feature selection method based on the combination of information gain and FAST algorithm is proposed. In our proposed method, at first, the information gain is calculated for the features and those with higher information gain are selected. The FAST algorithm is then used on the selected features which uses graph-theoretic clustering methods. To evaluate the performance of the proposed method, we carry out experiments on three text datasets and compare our algorithm with several feature selection techniques. The results confirm that the proposed method produces smaller feature subset in shorter time. I addition, The evaluation of a K-nearest neighborhood classifier on validation data show that, the novel algorithm gives higher classification accuracy.
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Type of Study: Research | Subject: Information Technology

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