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Sentiment Analysis of Marketplace Application Reviews Using Support Vector Machine (SVM) and K-Nearest Neighbors (KNN) Arief Ichwani; Munawar; Rilla Gantino
JURNAL TEKNOLOGI DAN OPEN SOURCE Vol. 7 No. 2 (2024): Jurnal Teknologi dan Open Source, December 2024
Publisher : Universitas Islam Kuantan Singingi

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36378/jtos.v7i2.4972

Abstract

Shopee is one of the most popular online marketplaces in Indonesia, with more than 103 million users in 2023. Most users consider factors such as customer reviews, ratings, prices, and free shipping promotions before making a purchase. Analyzing user reviews is essential to understand consumer perceptions of services, identify satisfaction or dissatisfaction, and detect potential issues that need to be addressed. However, sentiment analysis faces challenges in processing text with diverse language styles, structures, and informal expressions. To overcome these challenges, this study applies machine learning algorithms—Support Vector Machine (SVM) and K-Nearest Neighbors (KNN)—for classifying sentiment in Shopee user reviews. Data labeling using the Lexicon InSet method produced 9,509 positive reviews (47.55%), 7,686 negative reviews (38.43%), and 2,805 neutral reviews (14.03%). Based on the Confusion Matrix results, SVM outperformed KNN, particularly in classifying negative and neutral sentiments with higher accuracy. These findings indicate that SVM is a more effective and efficient model for sentiment analysis of user reviews on the Shopee platform.
The Effects of Inflation, Bi Rate, and Government Securi-ties Yield on the Third-Party Fund Growth of Digital Banks (A Case Study of PT Bank Jago Tbk) Ma'ana, 'Asa Rahmatillah; Munawar
Contemporary Studies in Economic, Finance and Banking Vol. 4 No. 4 (2025)
Publisher : Fakultas Ekonomi dan Bisnis Universitas Brawijaya

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21776/csefb.2025.04.4.18

Abstract

Banking digitalization continues to grow in line with technological advances. Many digital banks have emerged as alternatives to conventional banks. Similar studies have been conducted, but only on conventional banks. Therefore, this study aims to analyze the effect of inflation, BI Rate, and Government Securities (SBN) yields on Bank Jago's Third Party Funds (DPK). This study uses quantitative methods with Autoregressive Distributed Lag (ARDL) and Error Correction Model (ECM) analyses to identify the short-term and long-term relationships between the independent variables and the dependent variable. The results show that in the long term, inflation has a significant effect on the growth of Bank Jago's DPK, namely on demand deposits and time deposits, and only has a significant effect on time deposits in the short term. The BI Rate has a significant effect on Bank Jago's DPK, namely demand deposits in the long term, and has a significant effect on the growth of time deposits in the short term. The yield on SBN has no significant effect on the growth of Bank Jago's DPK.
Consumer Protection Related To The Increasing Prevalence Of E-Cigarettes In Makassar City, Legal Perspectives And Awareness User Munawar; Sodikin
Ipso Jure Vol. 1 No. 11 (2024): Ipso Jure - December
Publisher : PT. Anagata Sembagi Education

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62872/et3mc043

Abstract

E-cigarettes have become a growing global phenomenon, including in Indonesia. Makassar is one of the cities with the highest number of e-cigarette outlets, reaching more than 150, according to data from the Indonesian Youth Council for Tobacco Control (IYCTC). However, the increasing prevalence of e-cigarettes poses new challenges related to consumer protection, especially in terms of product information and its safety. This research aims to analyze consumer rights violations, evaluate the level of public knowledge, and recommend consumer protection strategies. Using a qualitative descriptive approach, data is collected through interviews, surveys, and document analysis. The results of the study show that there are violations of consumer rights in the form of misleading product information, low public awareness about health risks, and lack of adequate regulations. Recommendations include strengthening regulations, public education, and stricter supervision of product promotion and distribution
Co-Authors Abu Bakar Agung Hartoyo Aidil Amar Akbar Yusuf Akmaluddin Akmaluddin AMINAH ANDEREAS SERAN ATOK Ariyanti, Bertha Zalfitri Efendi, Reyne Niang Fatmadiwi, Anggi Fauziyah Lamaya Fitriningsih Amalo Gunawan Santoso Hairida Hairida Herlina Herni Sunarya Ichwani, Arief Ida Ayu Putu Sri Widnyani Kharunissa, Siti Nur Linda Novita M A S Jawwad M N Rhomadhoni M, Anugra Ma'ana, 'Asa Rahmatillah Marlina Marlina Marwan Murhadi Najmuddin MA, Najmuddin Nurmiati NURSALAM SIDIK Nurul Fitri Ibrahim Pranata, Rio Prisilla, Nadila Putri, Salsabil Rahmatillah R H A Murti R Novembrianto Respati Ayuning Tyas Reza Fahmi Reza Ilham Akbar Saiful Bahri Salman Rasyid Saniar Fauza Saputra, Syifa Satriadi Shitny Dwi Istiasih Siti Mayang Sari Sodikin Sugeng Santoso SURYANI Syarifah Halimah Tasya Amelia Salsabila W D Lestari Zulaikha