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All Journal JOURNAL OF INFORMATION SYSTEM MANAGEMENT (JOISM) Jurnal Pengabdian dan Kewirausahaan Asian Journal of Logistics Management
Makarawung, Reynard Justino Nehemia
Universitas Bunda Mulia
Agriculture, Biological Sciences & Forestry Arts Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Public Health Social Sciences Other

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OPTIMALISASI ANALISIS UJARAN KEBENCIAN ULASAN E-COMMERCE BERBASIS BERT DAN FAISS Maringka, Raissa Camilla; Makarawung, Reynard Justino Nehemia
Journal of Information System Management (JOISM) Vol. 7 No. 1 (2025): Juni
Publisher : Universitas Amikom Yogyakarta

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24076/joism.2025v7i1.2132

Abstract

Ujaran kebencian dalam ulasan aplikasi e-commerce dapat merusak reputasi platform dan menurunkan kepercayaan pengguna. Masalah utama yang dihadapi adalah banyaknya ujaran kebencian yang disampaikan secara implisit dan dalam bentuk bahasa informal, sehingga sulit dideteksi menggunakan pendekatan berbasis kata kunci atau metode klasifikasi tradisional. Penelitian ini bertujuan untuk mengoptimalkan deteksi ujaran kebencian pada ulasan aplikasi e-commerce dengan menggabungkan BERT dan vector search berbasis FAISS. Dataset ulasan yang telah dilabeli diambil dari Kaggle, sehingga tidak memerlukan proses labelling tambahan. Teks ulasan diproses menjadi embedding menggunakan BERT dan selanjutnya diproses dengan FAISS untuk pencarian pola serupa. Hasil penelitian menunjukkan bahwa kombinasi BERT dan FAISS mencapai akurasi 96%, lebih tinggi dibandingkan BERT saja yang mencapai 89%. Waktu eksekusi juga menunjukkan perbedaan signifikan, di mana integrasi FAISS mempercepat pencarian embedding dibandingkan BERT murni. Penelitian ini membuktikan bahwa integrasi BERT dan vector search dapat mengoptimalkan analisis klasifikasi ujaran kebencian pada aplikasi e-commerce.
LITERASI DIGITAL DAN KEWIRAUSAHAAN: MEMPERSIAPKAN GENERASI MUDA MENGHADAPI TANTANGAN BISNIS DIGITAL Felix, Antonius; Sutrisno, Julius; Bernanda, Devi Yurisca; Makarawung, Reynard J.N.; Kembau, Agung Stefanus; Hong, Kristy
Jurnal Pengabdian dan Kewirausahaan Vol 9, No 1 (2025): Jurnal Pengabdian dan Kewirausahaan
Publisher : Universitas Bunda Mulia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30813/jpk.v9i1.8245

Abstract

The integration of digital literacy in secondary education is vital for fostering students' entrepreneurial skills. The Community Service Program (PKM) "Dream Business" at SMK Permata Indah and SMAK Diakonia aimed to enhance digital literacy and entrepreneurship among students and teachers, with a focus on digital marketing. Using a mixed-method approach (quantitative and qualitative), the program evaluated the effectiveness of the training. Results showed an improvement in participants' understanding, with average positive ratings for educational aspects (3.5) and objectives (3.4), though transparency needed improvement (3.2). The program emphasized TikTok as a marketing tool but also highlighted the need for a broader understanding of digital transformation and data analysis. While participants were introduced to digital tools for marketing, the primary focus remained on leveraging social media, particularly TikTok, for product promotion. This approach differed slightly from literature that stresses the importance of critical evaluation of digital content and the creation of educational, not just commercial, content. The activity prioritized practical social media marketing over broader digital business transformation, leaving gaps in critical content evaluation and advanced data analysis skills. Moving forward, similar programs should deepen material on critical content evaluation, digital analysis tools, and the integration of technology in overall business management. This will ensure participants gain not only digital marketing skills but also a comprehensive understanding of how technology can transform all aspects of business. Such an approach will better prepare the younger generation to face innovative and sustainable digital business challenges.
Why Do Indonesian Users Remain Loyal to Digital Subscriptions? Examining Endowment Effect, Commitment Bias, Hedonic Motivation, and Switching Costs Kembau, Agung Stefanus; Mandey, Nancy Henrietta Jessamine; Tampinongkol, Felliks Feiters; Makarawung, Reynard Justino Nehemia
Asian Journal of Logistics Management Vol 4, No 1 (2025): Asian Journal of Logistics Management
Publisher : Universitas Diponegoro

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/ajlm.2025.27028

Abstract

Subscription‐based platforms have become pivotal to digital business models, yet little is known about the psychological forces that bind customers to these services in emerging markets. Drawing on behavioral economics, this study theorizes that endowment effect and commitment bias build consumer loyalty by strengthening users’ perceived ownership and rationalizing prior choices. We further propose that hedonic motivation (enjoyment derived from service use) and switching costs (economic and psychological barriers to change) intensify these effects. Data from 224 digital-service subscribers in Greater Jakarta were analyzed with covariance-based structural equation modeling in SmartPLS. All six hypotheses are supported: both endowment effect (β = .32, p < .001) and commitment bias (β = .29, p < .001) directly enhance loyalty, while their impacts are amplified by hedonic motivation (interaction β = .14, p < .01) and switching costs (interaction β = .18, p < .01). The findings extend loyalty theory by positioning endowment and commitment as dual psychological anchors in subscription contexts and by identifying boundary conditions that magnify their influence. For managers, the results stress the value of fostering user ownership feelings, designing engaging service experiences, and deliberately increasing perceived costs of defection to boost retention. Collectively, the study offers a nuanced framework for understanding—and managing—the drivers of sustained patronage in rapidly growing digital economies.
Co-Authors Bernanda, Devi Yurisca Felix, Antonius Hong, Kristy Julius Sutrisno Kembau, Agung Stefanus Kembau, Agung Stefanus Mandey, Nancy Henrietta Jessamine Maringka, Raissa Tampinongkol, Felliks Feiters