A sentiment analysis of madura island tourism news using C4.5 algorithm. J. Soft Comput. Explor. [Internet]. 2024(e)ko martxoaren 14(e)an [aipatua 2026(e)ko abuztuaren 25(e)an];5(1):9-17. Available at: https://shmpublisher.com/index.php/joscex/article/view/258