Robust Optimization Model for Twitter Sentiment Analysis of PeduliLindungi Application

Alfia Azizah Fatimathuzahra; Diah Chaerani; Firdaniza Firdaniza

doi:10.31764/jtam.v6i3.8624

Robust Optimization Model for Twitter Sentiment Analysis of PeduliLindungi Application

Alfia Azizah Fatimathuzahra, Diah Chaerani, Firdaniza Firdaniza

Abstract

Technological advances during the COVID-19 pandemic in Indonesia gave rise to the PeduliLindungi application which is developed by the government to prevent the spread of COVID-19. The advantages and disadvantages of developing PeduliLindungi can be seen from the responses and opinions from users, one of which is through the Twitter. A person's opinion about PeduliLindungi based on the tweet can be classified into positive, negative, or neutral categories using a Machine Learning approach with the Support Vector Machine (SVM) algorithm. In this paper, multiobjective optimization modeling is used to maximize the performance metrics, which are the value of Accuracy, Precision, Recall, and F1-Score. The value of the performance metrics is considered to contain uncertainty factors. Therefore, the optimization problem is solved by using Robust Optimization to handle the uncertainty factor. The data uncertainty is assumed to be belongs to polyhedral uncertainty set thus the resulted robust is computationally tractable. Numerical experiment is presented to complete the discussion.

Keywords

PeduliLindungi; Robust Optimization; Multiobjective Function; Sentiment Analysis; Support Vector Machine.

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DOI: https://doi.org/10.31764/jtam.v6i3.8624