Dewi, Christine Sientta
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Utilization Of Big Data For Personalized Online Learning: An Empirical Study In Higher Education Usanto, Usanto; Dewi, Christine Sientta
Jurnal Scientia Vol. 13 No. 04 (2024): Education and Sosial science, September-December 2024
Publisher : Sean Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58471/scientia.v13i04.2616

Abstract

This study explores the use of Big Data in personalizing online learning in higher education, focusing on student access and engagement patterns in e-learning platforms. The main problem faced is the inefficiency in monitoring student engagement, which impacts academic outcomes. The solution offered is learning analytics analysis using clustering and classification techniques to personalize learning materials. Data is taken from student activities on e-learning platforms for one semester. Data processing is done using machine learning tools such as K-Means Clustering and Decision Tree. The results show that active engagement in e-learning platforms is associated with better academic performance, where students with higher access frequencies tend to have better grades. The visualization graph shows the trend of access intensity in the evenings and weekends, as well as the positive relationship between access duration and exam scores. With a Big Data-based system, institutions can improve the online learning experience and provide more personalized recommendations to support student academic success
PENGEMBANGAN FRAMEWORK DATA MINING BERBASIS DEEP NEURAL NETWORK DENGAN EKSPLORASI TEKNIK TRANSFER LEARNING UNTUK PREDIKSI DAN KLASIFIKASI DATA Nurlaela, Lela; Suhanda, Yogasetya; Sopian, Adi; Dewi, Christine Sientta; Syahrial, Riza
JRIS : Jurnal Rekayasa Informasi Swadharma Vol 5, No 1 (2025): JURNAL JRIS EDISI JANUARI 2025
Publisher : Institut Teknologi dan Bisnis (ITB) Swadharma

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.56486/jris.vol5no1.723

Abstract

The digital transformation in the era of the Industrial Revolution 4.0 has driven the adoption of deep learning technology for data analysis across various sectors, including healthcare, education, and agriculture. This study aims to develop a data mining framework based on deep neural networks by exploring transfer learning techniques to enhance the accuracy and efficiency of prediction and classification processes. The research employs a research and development (R&D) approach with systematic stages, including a literature review, framework design, data collection and processing, framework implementation, and performance evaluation. The developed framework was tested in three primary data domains: healthcare, education, and agriculture. The data underwent cleaning, normalisation, and augmentation to improve quality and variety. The framework was implemented using the TensorFlow library, leveraging pre-trained models such as ResNet50 and InceptionV3. The evaluation used accuracy, precision, recall, F1-score, and training time efficiency metrics. The results demonstrate that the framework achieved an average accuracy of over 90%, improving training time efficiency by up to 60% compared to training from scratch. The transfer learning technique enabled the utilisation of pre-trained models to enhance prediction performance while requiring smaller training datasets. This study also identified key challenges in implementing deep learning technology in Indonesia, including limited infrastructure and low interpretability of analytical results. Consequently, the framework was designed to support interpretability through intuitive data visualisation and flexibility to adapt to various sectors. This framework is not only academically relevant but also practical, providing significant contributions to data-driven decision-making and improving organisational competitiveness in Indonesia.Transformasi digital di era revolusi industri 4.0 telah mendorong penggunaan teknologi deep learning untuk analisis data di berbagai sektor, termasuk kesehatan, pendidikan, dan agrikultur. Penelitian ini bertujuan untuk mengembangkan framework data mining berbasis deep neural networks dengan eksplorasi teknik transfer learning untuk meningkatkan akurasi dan efisiensi proses prediksi serta klasifikasi data. Penelitian ini menggunakan pendekatan research and development (R&D) dengan tahapan sistematis, termasuk studi literatur, perancangan framework, pengumpulan dan pengolahan data, implementasi framework, dan evaluasi kinerja. Framework yang dikembangkan diuji pada tiga domain data utama: data kesehatan, pendidikan, dan agrikultur. Data yang digunakan melalui tahapan pembersihan, normalisasi, dan augmentasi untuk meningkatkan kualitas dan variasi data. Implementasi framework dilakukan menggunakan pustaka TensorFlow dengan memanfaatkan model pra-latih seperti ResNet50 dan InceptionV3. Evaluasi dilakukan menggunakan metrik akurasi, presisi, recall, F1-score, dan efisiensi waktu pelatihan. Hasil pengujian menunjukkan bahwa framework ini mencapai akurasi rata-rata di atas 90%, dengan efisiensi waktu pelatihan meningkat hingga 60% dibandingkan metode pelatihan dari awal. Teknik transfer learning memungkinkan pemanfaatan model pra-latih untuk meningkatkan kinerja prediksi dengan kebutuhan data pelatihan yang lebih kecil. Penelitian ini juga mengidentifikasi tantangan utama dalam penerapan teknologi deep learning di Indonesia, seperti keterbatasan infrastruktur dan rendahnya tingkat interpretabilitas hasil analisis. Oleh karena itu, framework ini dirancang untuk mendukung interpretabilitas melalui visualisasi data yang intuitif, serta fleksibilitas untuk diadaptasi di berbagai sektor. Framework ini tidak hanya relevan secara akademis tetapi juga aplikatif, memberikan kontribusi signifikan dalam mendukung pengambilan keputusan berbasis data dan peningkatan daya saing organisasi di Indonesia.