SVD-LDA: A Combined Model for Text Classification

Nguyen, Hai Duong; Kim, Kyung-Im; Park, Hyuk-Ro

doi:10.3745/jips.2009.5.1.005

Cited by 5 publications

References 12 publications

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Study on suitability and importance of multilayer extreme learning machine for classification of text data

2016

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The dynamic Web, which contains huge number of digital documents, is expanding day by day. Thus, it has become a tough challenge to search for a particular document from such a large volume of collections. Text classification is a technique which can speed up the search and retrieval tasks and hence is the need of the hour. Aiming in this direction, this study proposes an efficient technique that uses the concept of connected component (CC) of a graph and Wordnet along with four established feature selection techniques [e.g., TF-IDF, Chi-square, Bi-Normal Separation (BNS) and Information Gain (IG)] to select the best features from a given input dataset in order to prepare an efficient training feature vector. Next, multilayer extreme learning machine (ML-ELM) (which is based on the architecture of deep learning) and other state-of-the-art classifiers are trained on this efficient training feature vector for classification of text data. The experimental work has been carried out on DMOZ and 20-Newsgroups datasets. We have studied the behavior and compared the results of different classifiers using these four important feature selection techniques used for classification process and observed that ML-ELM achieved the maximum overall F-measure of 72.28 % on DMOZ dataset using TF-IDF as the feature selection technique and 81.53 % on 20-Newsgroups dataset using BNS as the feature selection technique compared to other state-of-the-art classifiers which signifies the usefulness of deep learning used by ML-ELM for classifying the text data. Experimental results on these Communicated by A. Di Nola.

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