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Hadi Kurnia Saputra
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Voteteknika (Vocational Teknik Elektronika dan Informatika)
Published by Universitas Negeri Padang
ISSN : 23023295     EISSN : 27163989     DOI : -
Core Subject : Science, Education, Engineering,
Computer Science & IT Control & Systems Engineering Education Electrical & Electronics Engineering
Jurnal Vocational Teknik Elektronika dan Informatika (VoteTEKNIKA) is a peer-reviewed, scientifc journal published by Department of Electronics Engineering, Faculty of Engineering, Universitas Negeri Padang, Indonesia. The aim of this journal is to publish articles dedicated to all aspects of the latest outstanding developments in the fields of Vocational Education, Electronics Engineering and Informatics. Jurnal Vocational Elektronika dan Informatika (VoteTEKNIKA) is published twice in one year in March and September with the scopes and focus of the research, but it is not limited to : Vocational Education, Electronics, Telecommunication, Robotic Instrumentation, Control Systems, Artificial Intelligence , Internet of Things, Information Systems, Data Mining, Expert Systems, Mobile Technology & Applications, Web Technology, Computer Network, Network Management and Security, Computer & Embedded System, IT Governance, Enterprise Resource Planning, Software Testing, Modeling and Simulation
Arjuna Subject : Teknik (semua kategori) - Teknik (Lain-Lain)
Articles 1 Documents
 1 
Search results for , issue "Vol 13, No 2 (2025): Voteteknika (Vocational Teknik Elektronika dan Informatika)" : 1 Documents clear
Implementation of Support Vector Machine for Sentiment Analysis on Blibli App Reviews on Play Store Santika, Bima; Kharisma Hidayah, Agung
Voteteknika (Vocational Teknik Elektronika dan Informatika) Vol 13, No 2 (2025): Voteteknika (Vocational Teknik Elektronika dan Informatika)
Publisher : Universitas Negeri Padang

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/voteteknika.v13i2.133666

Abstract

Blibli is one of the leading e-commerce platforms in Indonesia with a 4.7-star rating on the Google Play Store. Although it has many positive reviews, automatic sentiment analysis is needed to understand user perceptions objectively and efficiently. This study aims to classify the sentiment of user reviews of the Blibli application using the Support Vector Machine (SVM) algorithm. A total of 2,000 recent reviews were collected through web scraping and underwent preprocessing processes including case folding, cleaning, normalization, filtering, stemming, and tokenization. To address class imbalance, the SMOTE method was applied so that positive and negative sentiment data became balanced, with 1,413 reviews each. The data were then divided into three training and testing ratio scenarios: 90:10, 80:20, and 70:30. Text transformation was carried out using the TF-IDF method. Experiments were conducted by comparing four SVM kernels: Linear, RBF, Polynomial, and Sigmoid. The best results were obtained in the 90:10 scenario using the Linear kernel, achieving an accuracy of 96.82%, precision of 96.93%, recall of 96.82%, and F1-score of 96.82%. These findings indicate that SVM, particularly with the Linear kernel, is highly effective and balanced in classifying user review sentiments. The results of this study are expected to contribute to application developers in improving service quality based on user feedback obtained automatically and in a structured manner.

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