Enhanced Sentiment Classification for Dual Sentiment Analysis using BiLSTM and Convolution Neural Network Classifier
How to Cite?
Mamatha M, Rakshith Shenoy, Thriveni J, Venugopal K R, "Enhanced Sentiment Classification for Dual Sentiment Analysis using BiLSTM and Convolution Neural Network Classifier," International Journal of Engineering Trends and Technology, vol. 70, no. 3, pp. 151-161, 2022. Crossref, https://doi.org/10.14445/22315381/IJETT-V70I1P217
Sentiment Classification is one of the fundamental tasks in sentiment analysis that aims to classify the orientation of a given text (e.g., positive or negative). Analysis of sentiment in the text provides an advantage for customers in services and analysis. The text classification in sentiment analysis is performed using Bag-of-words(BOW) model, which is a machine learning approach. Dual Sentiment analysis(DSA) with BiLSTM and CNN is used to address the polarity shift problem that arises in classification. These classifiers perform sequence prediction and provide better results when compared to other methods. Initially, a data expansion technique is proposed that makes use of opposite labels of positive and negative sentiment for each training and test review sentence. Next, in dual training, the probabilities of original and reverse reviews are trained on the classifier. Predictions in dual prediction are done by considering two sides of one review. As the work is carried over on text reviews, the lexicon-based dictionary is used. The proposed model is evaluated on four multi-domain datasets. As compared to SVM and other classifiers, our methods give better results.
Bag-of-words, BiLSTM, Dual Sentiment Analysis, Machine Learning, Neural Networks, Sequence Prediction
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