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Journal : journal of applied informatics and computing

Performance Analysis of KNN and BERT Algorithms for Classifying Student Sentiments Towards Campus Services Mutmainna, Mutmainna; Hamrul, Heliawati; Firgiawan, Wawan
Journal of Applied Informatics and Computing Vol. 10 No. 1 (2026): February 2026
Publisher : Politeknik Negeri Batam

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30871/jaic.v10i1.11365

Abstract

This study addresses the limitations of campus service evaluation processes that are still conducted manually and are unable to optimally process students’ textual opinions. The objective of this research is to analyze and compare the performance of the K-Nearest Neighbor (KNN) and BERT algorithms in classifying student sentiments toward campus services. The research stages include text preprocessing, the generation of IndoBERT embeddings for the KNN model, and fine-tuning IndoBERT for direct sentiment classification. The dataset consists of student evaluation texts from the Faculty of Engineering at UNSULBAR, labeled as negative, neutral, and positive sentiments. Model evaluation is performed using accuracy, precision, recall, and F1-score metrics. The results show that the basic KNN model achieves an accuracy of 79%, while KNN with hyperparameter tuning improves performance to 86%. The BERT model delivers the best performance, achieving an accuracy of 88.68%, precision of 87.87%, recall of 90.19%, and an F1-score of 88.79%. These findings indicate that transformer-based approaches, particularly IndoBERT, are more effective in understanding the contextual nuances of student language than traditional methods, and are therefore more recommended for sentiment analysis implementation in campus service evaluation.
Co-Authors Abdul Latief Toleng, Abdul Latief Abdul Rahman Abdurrahman, Adam Abubakar Abubakar Achmad Abubakar Adam Adam Adzima, Ahmad Fauzan Ahyar, Haeril Aisyah Nursyam, Nursyam Alsa, Nur Amalia Alwi, Besse Marjani Ambo Ako Aminuddin Aminuddin Andi Naharuddin Andika Rusli, Andika Anggraini, Yuyun Angraini, Shinta Dewi Annisa, Istiqama Maulidina Ansa, Siti Aras, Suhardi Ardani, Nova Tries Ardiansyah, Awi Ardilla, Andi Aridhanyati Arifin Asa, Fransiska Falentina Asfar Asfar, A.M.Irfan Taufan Asfar, Andi Muhamad Iqbal Akbar Asmita Ahmad Asriadi Asriadi Bahriah, Bahriah Balqis Nur Aisyah Bayu Setiaji Bazyrah.S, Sri Tengku Chairuddin, Zulkarnain Dadan Hamdani darwis darwis, darwis Dewi Sartika Dian Fitriani Djamaluddin, Magfirah dp, Terza Travelancya Dwi Astuti Eki Ikasari, Eki Ikasari Elyza Gustri Wahyuni Fajri, Syarif Al Fakhrunnisa, Nur Farida Agus Setiawati Farida, Sitti Firdaus, Jannatul Firgiawan, Wawan Gani, Adiet Nurholis Al Hadrah Hadrah, Hadrah Hala, Dian Magfirah Hamka Ilyas Hamrul, Heliawati Hamzah, Hardi Handayani, Reski Hartinah Haruna, Harsani Hasan, Saiful Hasbi Hasriadi, Hasriadi Helmi Helmi Herlina Herlina Herry Sonjaya Ibnu Azka Idris Idris Idul, Idul Ikasari Ikhlas Rasido Ilham Rahim Ilham Rivaldi, Andi Indriyani, Syndi Ismawati Ismawati Jafar, Lili Septiani Jayadi, Muh Juita, Nirmala Jusmawati Jusmawati, Jusmawati Kaiin, Ekayanti Mulyawati Karateng, Muzakir Dg. Kasman, Marissa Laban, Sartika Labaran, Asliah Z Lanteng Bustami, Lanteng Lestari, Kristin Linda Rosita M, Musdar Madjidi, Maksum Mahayani, I Dewa Ayu Mardiana Mardiana Masturi Masturi Maulana, Tulus Mufliha, Rara Muh. Ansar, Muh. Muh. Yamin, Muh. Muhamad Iqbal Akbar, Andi Muhammad Anshar Akil Muhammad Irfan Taufan Asfar, Andi Muhammad Syaiful Muis Mappalotteng, Abdul Mursalim Mursalim Mutahharah Hasyim, Mutahharah Mutfaidah, Andi Muthiah, Maryam Izzul Nur Aisyah Humairah Nur Ihwan, Nur Nurannisa Nurannisa, Andi Nurannisa, Nurannisa Nurbina, Andi Fitri Nurfadillah Nurfadillah, Sri Nurhalizah, Nurhalizah Nurhikmayani, Risky Nurlina Nurlina Nurmadhani Fitri Suyuthi Nurnawati, Andi Ayu Nursakiah, Nursakiah Pamessangi, Andi Arif Para’pean, Yulius Tina’ Pasia, Windi Eprianti M Perawati Bte Abustang Poleuleng, Andi Besse Putra, Yandika Qhatimah, Husnul Qomariyah, Wiwin Indah Rahadian Kurniawan Rahman, Andi Arif Rahmawati Munir Rahmawati, Rahmawati Ramadan, Zyahrul Ramsiah Tasruddin Rasbawati, Rasbawati Rasmiati Rasmiati, Rasmiati Restika, Indah Rijal, Rijal Riska Riska Riska, Muhammad Riyadi, Nur Eka Wahyuningsih S, Sulfadli Sabri Samin Sadarang, Rimawati Aulia Insani Sahraen Sibay Sahrani, Sahrani Samara, Novita Sari Saputra, Fahmi Saputra, Rio Saputra, Wandi Sari, Nispa Sari, Norma Atika Sarnia, Wawaa Sembiring, Rinawati Servianti, Servianti Setiadi, Ahmad Tirta Sri Gustina Sri Kusumadewi St Marwiyah, St Suarnianti, Suarnianti Suci Rahmadani Sudirman Baco, Sudirman Sukmawati Sukmawati Sukri, Siti Annisa Suleha, Siti Suriani, Ely Susi Indriani Sutrisno, Sutrisno Syahriyah Semaun Syamsiar, Syamsiar Syamsuriwal, Syamsuriwal Syawalludin, Syawalludin TAMRIN, MUH. Tasya, Tasya Tien Kumalasari Tri Ramadhani Trisno Setiawan, Trisno Trisnowali MS, Andi Usman Usman Utamy, Renny Fatmyah Wahyuda, Aji Arda Nur Wijaksana, Widya Wildan, Arifatul Yunarti Yunarti Yusbasari, Yuki Zahra M, Fatimah