A hybrid approach for deep belief networks and whale optimisation algorithm to perform sentiment analysis for MOOC courses
by Jayakumar Sadhasivam; Ramesh Babu Kalivaradhan
International Journal of Advanced Intelligence Paradigms (IJAIP), Vol. 25, No. 3/4, 2023

Abstract: Sentiment classification has won significant attention presently, as it provides the way for automatic analysis of people's reviews to extract user information regarding a product/service. One of the widely used techniques is polarity classification that determines the polarity of the texts in the opinion. Accordingly, this paper presents a technique for sentiment classification of online course reviews using a novel classifier, WDBN. In the proposed technique, the input course review data is pre-processed, and important features are extracted from the data using Emotion-SentiWordNet-based feature extraction process. For the classification of sentiments in the feature extracted data, WDBN is introduced by combining DBN and WOA such that the weights of the network layers are selected optimally. The proposed WDBN classifier is experimented using a publicly available online course review dataset and the performance of the classifier is evaluated using three metrics, such as sensitivity, specificity, and accuracy.

Online publication date: Wed, 19-Jul-2023

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