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All Journal METHOMIKA: Jurnal Manajemen Informatika & Komputerisasi Akuntansi Jurnal Teknik Informatika UNIKA Santo Thomas Jurnal ULTIMA InfoSys METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Journal of Applied Science, Engineering, Technology, and Education MEANS (Media Informasi Analisa dan Sistem) Jurnal Teknik Informatika Unika Santo Thomas (JTIUST) Jurnal Pengabdian Pada Masyarakat METHABDI Majalah Ilmiah METHODA Jurnal Ilmiah Ekonomi dan Manajemen JURNAL RUMPUN MANAJEMEN DAN EKONOMI JURNAL AKADEMIK EKONOMI DAN MANAJEMEN Manajemen : Jurnal Ekonomi
Darwis Robinson Manalu
Universitas Methodist Indonesia
Religion Agriculture, Biological Sciences & Forestry Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Mathematics Medicine & Pharmacology Physics Public Health Social Sciences Other

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ANALISIS SENTIMEN MASYARAKAT PADA MEDIA SOSIAL PLATFORM X TERHADAP PERTAMINA MENGGUNAKAN METODE DECISION TREE Naibaho, Yksan; Manalu, Darwis Robinson; Samuel VB Manurung
METHODIKA: Jurnal Teknik Informatika dan Sistem Informasi Vol. 12 No. 1 (2026): Volume 12 Nomor 1 Tahun 2026
Publisher : Universitas Methodist Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46880/mtk.v12i1.5419

Abstract

Platform X social media has become a platform for people to express their opinions, including on issues related to Pertamina. This study aims to analyze public sentiment on Platform X towards Pertamina using the ID3 (Iterative Dichotomiser 3) algorithm-based Decision Tree method. The data used are 2,005 tweets collected with the keyword "Pertamina Corruption". The data went through a preprocessing stage which includes case folding, tokenizing, stopword removal, and stemming. Text features were converted into binary representations (Binary Weighting) of 10 main keywords such as 'corruption', 'pertamina', and 'prosecutor'. The ID3 Decision Tree model was built recursively by selecting separator attributes based on the highest Information Gain value. The results showed that the built model had excellent performance. Evaluation on testing data (20% of the total data) produced an accuracy of 98.50%, with a precision value of 97.98%, a recall of 98.50%, and an F1-score of 98.22%. The 5-fold cross-validation results also confirmed the model's stability, with an average accuracy of 98.30% and a low standard deviation (0.0046). The contains_korupsi attribute was identified as the most informative root node in the decision tree structure. The conclusion of this study is that the Decision Tree method with the ID3 algorithm has proven effective and reliable in classifying public sentiment toward Pertamina on Platform X with high accuracy. The results of this analysis are expected to be used by Pertamina in understanding public opinion and formulating more appropriate communication strategies.
Co-Authors Adam Jordie Sinulingga Alfonso Pareandos Sitorus Apriandi, Virgiawan Bayu Ari Kartanto Sinuhaji Aritonang, Mendarissan Asokhiwa Zega Ayler Beniah Ndraha Azelia Sarah Dwi Artha Cosmas Tambunan Cristina Adelia Putri Silaban DEWI SARTIKA Dian Eka Matra Putra Bangun Doli Hasibuan Dwiyanto . Dyah Faramida Octaviani Lubis Edward Rajagukguk Eka Samuel P. Hutasoit ELIYUNUS WARUWU Eliza, Agnes Lasmaria Elsya Secilia Margaretha Eva Julia Gunawati Harianja Fati Gratianus Nafiri Larosa Feruche, Melani Gea, Asaziduhu Gortap Lumbantoruan Gresa Simarmata Guellica Agnesia Claudia Thanos Harianja, Eva Julia G. Harlen Gilbert Manullang Harlen Gilbert Simanullang Harlen Gilbert Simanullang Hasibuan, Doli Hasugian , Paska Marto Henri Yosua Pangihutan Humuntal Rumapea Hutapea, Marlyna I. Hutasoit, Eka Samuel P Hutasoit, Elfhian Goklas Pangihutan Ijonris, Yusuf Indra Kelana Jaya Indra M. Sarkis S. Intan Nurrachmi Jamaluddin Jamaluddin Jamaluddin Jeremia Sebayang Jhon Kristopel Manalu Jhoni Maslan Jhoni Maslan, Jhoni Jimmy F. Naibaho Junika Napitupulu Larosa, Fati G. N. Lase, Delipiter Lumbanraja, Posma Manalu, Jhon Kristopel Margaretha Yohanna Marihot Gultom Mario Christofell L. Tobing Marlyna I Hutapea Marzuki, Sinambela Melani Feruche Merry Anna Napitupulu, Merry Anna Mufria J. Purba Naibaho, Yksan Nainggolan, Rena Ndruru, Yufita Friska Nehemia Christian Boy Nettina Samosir Octania Togatorop Ofelius Laia Perangin-angin , Resianta Posma Lumbanraja Prawita Simarmata Purba, Eviyanti N. Purba, Eviyanti Novita Putra Palipi Rajagukguk, Edward Rajagukguk, Yosia Suhendri Resianta Perangin-Angin Rijois I. E Saragih Rijois I. E. Saragih Rimbun Siringoringo Rimbun Siringoringo, Rimbun Robbi Rahim Roni J. Simamora Rumahorbo, Benget Rumapea, Anastasia Erika Rumapea, Yolanda Y. P. rumapea, yolanda yulianti pratiwi Rumapea, Yolanda Yuliati Pratiwi Samosir, Nettina Samosir, Refani Abednego Samosir, Yosafat Renovaldo Samuel Van Basten Halomoan Manurung Saragih, Rio J P Sarkis, Indra M. Silaban, Cristina Adelia Putri Silalahi, Arina Prima Silalahi, Remus Silitonga, Arino Fanther Simanullang, Febri Yanti Simanullang, Sanco Simatupang, Wilson Simbolon, Mangantar Sitorus, Betti Elvi Deliana Sri Agustina Rumapea Sunardi Sunardi Surianto Sitepu Syamsu Rijal Telaumbanua, Elisati Kurniawan Toong Hai Sam Yohanna, Margaretha Yolanda Y.P Rumapea yolanda yulianti pratiwi rumapea Yuaniko Paramitra