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Journal : JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING

Comparative Analysis of Naïve Bayes and K-Nearest Neighbor for Lexicon-Based Emotion Classification of Paxel App User Reviews Salsabilah, Azka; Vitianingsih, Anik Vega; Cahyono, Dwi; Lidya Maukar, Anastasia; Zangana, Hewa Majeed
JOURNAL OF INFORMATICS AND TELECOMMUNICATION ENGINEERING Vol. 9 No. 2 (2026): Issues January 2026
Publisher : Universitas Medan Area

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31289/jite.v9i2.16516

Abstract

The rapid growth of app-based delivery services has increased the importance of understanding user emotions as an indicator of service quality. User reviews on digital platforms provide valuable insights into customer perceptions, satisfaction levels, and service-related issues. This study aims to compare the performance of Naïve Bayes and K-Nearest Neighbor (KNN) algorithms in classifying user emotions related to the Paxel application. The dataset was collected from Google Play Store and X (Twitter) using web scraping techniques and subsequently processed through text pre-processing stages, including case folding, tokenization, and stopword removal. Emotion labels were assigned using the NRC Indonesian Emotion Lexicon, while feature extraction was performed using the TF-IDF method. To address class imbalance, the Synthetic Minority Oversampling Technique (SMOTE) was applied prior to model training. Experimental results show that the Naïve Bayes model achieved the highest overall accuracy of 90.83% with a weighted F1-score of 0.90, while the KNN model obtained an accuracy of 81.21% and a weighted F1-score of 0.77. Both models performed well in identifying happy, sad, and neutral emotions, whereas anger remained the most challenging class to classify. Overall, Naïve Bayes demonstrated more consistent and reliable performance for sentiment analysis tasks..
Co-Authors A.A. Ketut Agung Cahyawan W Abadi Sanosra Abdullah, Anton Achmad Choiron Achmad Choiron Ade Susianti, Febrina Adityara, Wisnu Afriyani, Suci Ryski Nur Afroh, Ibna Kamilia Fiel Ahmad, Haidar Alif Putra Gunawan, Maulana Alkaromi, Muhammad Amri Alwiyah Alwiyah Amalia, Direstu Amarya, Grace Ezranda Anafih, Erwinda Sam Anastasia Lidya Maukar Anda Lusia, Anda Andhina Ika Sunardi ANGGI FIRMANSYAH Anggit Wikanningrum Anggita, Dito Anik Vega Vitianingsih Anik Vega Vitianingsih Apriani Sijabat Ari Wulanjati, Herlina Arief Rahman Hakim Arif Budianto Arthur Simanjuntak Aspirandi, Mirwan Aspirandi, Rendy Mirwan Astutik, Rika Aswadi Jaya, Aswadi Ayun Maduwinarti Ayun Maduwinarti Ayuningtyas Palup, Risqi Ekanti Ayuningtyas Palupi, Risqi Ekanti Azzahra, Morra Fatya Gisna Nourielda Bakti, Surya Bambang Bagus Harianto Brown, Christina Budi Santoso Budiyono Budiyono Bungsu, Agung Pangeran Chrissanti, Agnes Maria Cilvi Chua Toh Hua Citra Dwi Ristantri Cristino Gusmao Damanik, Alaris Darasito Dananjaya, Gabriel Deliana, Dian Diah Probowulan Dian Kusuma Wardani Dianitami, Fitri Dicha Kusuma Priambudi, Prisca Dinarso, Rahmat Cahyo Dwi Budi Santoso Dwi Prasetyo, Septian Dwi Ristantri, Citra Dwi Riyono, Ady Fajar Dyah Rohma Wati Eko Budi Santoso Eko Budi Satoto Erika Erika Erinaldi Evi Lestari Evi, Evi Lestari Fahrudin, Rifqi Fatika Nur Rokhimah Fatmawati, Indra Fatmawati, Suci Nur Fawaidul Badri Firda, Alverina Firdaus, M. Syahri Fitri Ana Wati, Seftin Fitrianingsih, Evi Guntoro, Widy Guntur, Yohanes Sri Gusmao, Cristino Hanik, Asmah Hanung Eka Atmaja Hari Safariningsih, Ratna Tri Haris Hermawan Haris Hermawan, Haris Herlambang, Toni I.G.N. Andhika Mahendra Ibnu Hanafi Ida Ayu Putu Sri Widnyani Indrawati, Linda Intan Sari, Rosi Avinda Jabbar, Malik Abdul Jaka, Rindra John Edwards Julianingsih, Dwi Julianto Lemantara Juliardin, Muhammad Alief Junaidi Junaidi Kamal Arif Al-Farouqi Kamil, Ibrahim Khairunnisa, Firstia Nurlaili Khamil, Abdul Khaulia, Ayu Tinis Khifdi, M. Yurisul Kusdarwanto, Heru Kusumaningrum Kusumaningrum Lailatul Qodriyah, Emilyati Lambang Trijono Lidya Maukar, Anastasia Litafira Syahadiyanti Lorenzo, Agung Maharani, Astrid Maharani, Astrid Maharani, Astrid Mahardika, Husein Satria Mahendra, I.G.N. Andhika Maisura Maisura Mardiansyah, Edi Maria, Lily Martiana, Nina Maryam Z, Amalina Mas, Ayu Masito, Fitri Maulidya Reva Aprianti Ma’rifah , Ma’rifah Yuliani Meilany, Latifah Hanum Minulya Eska Nugraha Mochamad Hariadi Mochammad Irfan Efendi Mohamad Agus Salim Muhammad Thamrin Mursyidah4, Mursyidah Muzakir, Fohan N, Gardina Aulin Nafsiyah, Wardatun Nirmala Kartikasari, Yudita Norawati, Suarni Nur Annisa, Nenden Nur Said Nuraeni, Intan Sarifa Nursaid Nurul Qomariah Nuryadi Nuryadi Ongko, Bagus Kustiono Pamungkas Putra Bagyana, Caesare PANJAITAN, MUKTAR B Paramitha, Octavia parjan, parjan Pradana, Dwifa Yuda Pradani, Dea Yulinestria Prakoso, Dadang Pramono, Didik Eko Probowulan, Diyah Purbosaputro, Erwin Putra Widhi Wardhana, Erwindhu Putra, Adimas Putri, Indri Mariska Rachmania, Nindita Rachmaniyah, Aulia Rafly Eka Saputra, Muhammad Rahmawati, Maulidia Ramadhani, Iwan Ramadhani, Syifa Rangi, Noah Ratna Nur Tiara Shanty Reza Ega Resnanda Ristumanda, Siti Salbiah Riyadi, Anton Rizaldi, Choireza RR. Ella Evrita Hestiandari Rusgianto S, Riang Agustin Sa'adah , Nur Saat Riyanto Salsabilah, Azka Samsul Hadi Sanorsa, Abadi Santi Wulandari, Dwi Sari , Mena Sari Indrayati, Fatma Sari, Denia Ratna Sari, Risa Riana Puspita Satyaguna, I Made Savitri, Nikke Indah Setiawan, Riski Bayu Siahaan, Sarah Agustin Sinclair, Amelia Slamet Kacung, Slamet Slamet Riyadi, Slamet Riyadi Soetjahyo, Soetjahyo Sofianto, Rendra Hadi Suhada Suhada, Suhada Sujatmiko Sujatmiko Sukahir, Sukahir Sulistiowati Sulistiowati Susbiyani, Arik Suyamto Suyamto Suyanto Syahrani Arasid, Nova Syahrul, Maulia Syamilah, Aliyatus Teguh Santosa Tengku Muhammad Ramdani Terra Saptina Maulani Tiara Shanty, Ratna Nur Tua S, Marolop Bungaran Uliyah, Dian Alfiyatul Umam, Azizul Warsito Sujatmiko, Achmad Wasi’ah, Ainin Lufaful Wati, Seftin Fitri Ana Wati, Wiwin Sri Niscahya Widianingrum, Retno Moortrisari Widiantoro, Edwin Wikaningrum, Anggit Wulandari, Erike Wulandari, Retno S. Yansa Sendi Fadillah Yeti Komalasari Zahrotul Janah Zainarthur, Henry Zangana, Hewa Majeed Zarkasi , Imam Zikrullah , Zikrullah Zubaidi, Nabila