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All Journal SEISENSE Journal of Management International Journal of Economics, Management, Business, and Social Science Jurnal Esensi Infokom: Jurnal Esensi Sistem Informasi dan Sistem Komputer Abimanyu: Journal of Community Engagement Social Science Studies Journal of Digital Business and Innovation Management Indonesian Journal of Humanities and Social Sciences International Journal of Social, Economic, and Business KOMPUTASI
Fazlurrahman, Hujjatullah
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Evaluasi Model Faktor Laten dalam Kondisi Kelangkaan Data: Studi Kasus Rendahnya Pembelian Ulang pada E-Commerce Rosmalia, Tria Rizky; Dhenabayu, Riska; Fazlurrahman, Hujjatullah; Dewi, Renny Sari
JOM Vol 6 No 4 (2025): Indonesian Journal of Humanities and Social Sciences , December
Publisher : Universitas Islam Tribakti Lirboyo Kediri

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33367/ijhass.v6i4.8431

Abstract

The accuracy of recommendation systems is vital for successful personalization in e-commerce. However, the low frequency of repeat purchases creates hight data sparsity, limiting models in capturing user preferences. This study compares two latent factor-based algorithms. Matrix Factorization (MF) and Neural Matrix Factorization (NeuMF), using the Olist transaction dataset through data preparation, k-core filtering, and leave last out splitting. Performance was evaluated using HR@10 and NDCG@10. Results show that MF outperforms NeuMF, achieving HR@10 of 0,057 and NDCG@10 of 0,133. Although NeuMD is more complex and represents a deeper learning-based approach, MF can still be more suitable in certain data conditions, especially when interaction are limited. These findings highlight that simpler models may remain more efficient under sparse data, while NeuMF requires richer interactions histories. The study emphasizes repeat purchase frequency as a key factor in designing adaptive reommendations systems.
Co-Authors Achmad Kautsar Agus Frianto Anang Kristyanto, Anang Christy Avega Dumatri, Agatha Dinda Syachadi, Nourissa Dzul Hilmi, Mohamad Ernanda, Reza Dwi Faiz Sugihartanto, Mushonnifun Fitro, Achmad Husin, Nanang Nareswari, Ninditya Ratih Amelia, Ratih Renny Sari Dewi Riska Dhenabayu Rosmalia, Tria Rizky Sabella, Selly Amita Sari Dewi , Renny Septa Wihara, Dhiyan Trysantika, Salsabila Wahyudi Rahman, Muhammad Fajar Zahra, Fathimatuz