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All Journal JSAI (Journal Scientific and Applied Informatics) Jutisi: Jurnal Ilmiah Teknik Informatika dan Sistem Informasi Journal of Information Systems and Informatics Community Development Journal: Jurnal Pengabdian Masyarakat Jurnal Abdidas Informanika Jurnal Pengabdian Mandiri Jurnal Pengabdian Masyarakat Digismantech (Jurnal Program Studi Bisnis Digital) Oikonomia : Journal of Management Economics and Accounting
Wishnu Aribowo Probonegoro
Institut Sains Dan Bisnis Atma Luhur
Humanities Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Environmental Science Health Professions Languange, Linguistic, Communication & Media Mathematics Public Health Social Sciences Other

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Evaluasi Tata Kelola Teknologi Informasi Aplikasi Layanan Di PT.PQR Dengan Cobit 4.1 Wishnu Aribowo Probonegoro; Lili Indah Sari; Parlia Romadiana
JSAI (Journal Scientific and Applied Informatics) Vol 8 No 1 (2025): Januari
Publisher : Fakultas Teknik Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jsai.v8i1.7544

Abstract

PT PQR is a company engaged in the application of shipping services. It is important for PT PQR to manage and utilize information technology well, but there has never been an assessment of the management system and its application. The author conducted research to assess the management of information technology using the COBIT 4.1 standard, which has 34 processes. This research was conducted through observations, interviews, and measurement of maturity levels, with the aim that PT PQR knows the information technology governance that is carried out, and knows the gaps that exist so that they can be resolved immediately to improve services and compete with other companies. The results showed that the current maturity level at PT PQR is close to level 3, with 14 Information Technology processes in two domains, namely Delivery Support and Monitoring Evaluate. PT PQR has clear and written standard procedures regarding the procedures and management of information technology, which are socialized among management and employees. Overall, the maturity level evaluation shows that PT PQR has fairly good IT governance, with an average achievement close to the expected target. The DS domain has an almost optimal performance with an achievement of 99%, while the ME domain requires more attention to increase the achievement from 90% to 100%. Improvement efforts can be focused on areas that require improvement based on the findings of this analysis.
Analisis Pengaruh Penggunaan QRIS Konvensional dan QRIS ESB terhadap Efisiensi Pembayaran Digital pada Rumah Makan BJ di Era Digitalisasi Wishnu Aribowo Probonegoro; Lili Indah Sari; Ardiana
JSAI (Journal Scientific and Applied Informatics) Vol 9 No 1 (2026): Januari
Publisher : Fakultas Teknik Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jsai.v9i1.9718

Abstract

The development of digitalization has encouraged the adoption of cashless payment systems through the Quick Response Code Indonesian Standard (QRIS) in the culinary sector, including Rumah Makan BJ. This study aims to analyze the effect of Conventional QRIS and ESB QRIS on digital payment efficiency. This research employs a quantitative approach with a sample of 122 respondents. Data were collected through questionnaires and analyzed using SPSS version 17. The partial test results indicate that Conventional QRIS has a positive and significant effect on digital payment efficiency, with a t-value of 2.802 and a significance level of 0.006 (<0.05). ESB QRIS shows a stronger influence, with a t-value of 6.029 and a significance level of 0.000 (<0.05). Simultaneously, the ANOVA test shows an F-value of 57.155 with a significance of 0.000, indicating that both variables jointly have a significant effect on digital payment efficiency. The coefficient of determination (R²) of 0.405 indicates that 40.5% of the variation in digital payment efficiency is explained by QRIS usage. These findings are consistent with previous studies on integrated digital payment systems.
MENGUBAH HOBI MENJADI PELUANG BISNIS USAHA KREATIF, PRODUKTIF DIKALANGAN ANAK MUDA Lili Indah Sari; Wishnu Aribowo Probonegoro; Lilo Renaldi
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 6 No. 3 (2025): Volume 6 No 3 Tahun 2025
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v6i3.47244

Abstract

Anak muda milineal saat ini yaitu SMA/SMK dan mahasiswa masih sedikit merealisasikan hobinya menjadi peluang dan membangun bisnis. Hal ini dikarenakan takut untuk mencoba,takut gagal sehingga tidak memiliki keberanian untuk membuka usaha dari hobinya. Permasalahan lainnya yaitu tidak memiliki modal awal, minimnya pengetahuan, kurag komunikasi. Padahal dengan adanya pendekatan yang tepat, hobi yang dimiliki anak muda bisa menjadi sumber ide kreatif, produktif dan inovatif jika dikembangkan akan menciptakan bisnis baru. Kegiatan pengabdian ini dilaksanakan melalui sharing session interaktif dengan metode inspiratif, partisipatif dan edukatif, yang menghadirkan narasumber langsung dari pelaku usaha muda, dimana usahanya berawal dari hobi yang dilaksanakan. Pendekatan edukatif dan kontekstual sangat efetif dalam menumbuhkan semangat kewirausahaan dikalangan generasi muda. Kegiatan ini bertujuan memberikan inspirasi, motivasi dan pembekalan praktis kepada pelajar dan mahasiswa dalam menciptakan,mengelola hobi menjadi peluang bisnis. Hasil kegiatan ini menunjukan adanya peningkatan signifikan dalam ide bisnis, rasa percaya diri untuk memulai usaha serta pemahaman terhadap potensi hobi menjadi paluang bisnis
Komparasi Algoritma Klasifikasi Performa Akademik Mahasiswa Bisnis Digital: SVM, Random Forest, XGBoost, dan LightGBM dengan Penanganan Class Imbalance Menggunakan SMOTE Lili Indah Sari; Burham Isnanto; Wishnu Aribowo Probonegoro
JSAI (Journal Scientific and Applied Informatics) Vol 9 No 2 (2026): Juni
Publisher : Fakultas Teknik Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jsai.v9i2.10535

Abstract

This study aims to compare the performance of classification algorithms, namely Support Vector Machine (SVM), Random Forest, XGBoost, and LightGBM, in predicting the academic performance of Digital Business students at ISB Atma Luhur by handling class imbalance using the Synthetic Minority Oversampling Technique (SMOTE). The dataset consisted of 326 student records with 55 questionnaire-based Likert-scale features, GPA, and semester data classified into two academic performance classes. The research stages included data preprocessing, normalization, SMOTE implementation, feature selection using feature importance, model training, and evaluation using accuracy, precision, recall, F1-score, F1 Macro, AUC-ROC, and training time metrics. The results showed that the XGBoost algorithm achieved the best performance with an accuracy of 0.8621, an F1 Macro score of 0.85, and an AUC value of 0.91. LightGBM produced performance close to XGBoost while providing faster training time. The implementation of SMOTE successfully improved minority class classification performance across all algorithms, particularly in terms of F1-score. The findings indicate that the combination of boosting algorithms and class imbalance handling techniques is effective for machine learning-based academic performance prediction systems.
SOSIALISASI DAN PENDAMPINGAN PENGISIAN KUESIONER MENDUKUNG EVALUASI IMPLEMENTASI KEBIJAKAN PENDIDIKAN KARAKTER DI TKN PEMBINA 4 PANGKALPINANG Lili Indah Sari; Wishnu Aribowo Probonegoro; Parlia Romadiana; Supardi Supardi
BESIRU : Jurnal Pengabdian Masyarakat Vol. 3 No. 1 (2026): BESIRU : Jurnal Pengabdian Masyarakat, Januari 2026
Publisher : Lembaga Pendidikan dan Penelitian Manggala Institute

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62335/besiru.v3i1.2310

Abstract

Penguatan pendidikan karakter merupakan kebijakan strategis nasional yang perlu dievaluasi secara berkelanjutan melalui keterlibatan seluruh pemangku kepentingan, termasuk orang tua murid. Instrumen evaluasi yang digunakan oleh Kemendikdasmen adalah kuesioner persepsi orang tua terhadap implementasi pendidikan karakter di satuan pendidikan. Namun, dalam praktiknya, pengisian kuesioner oleh orang tua sering menghadapi kendala berupa keterbatasan pemahaman terhadap bahasa instrumen, indikator penilaian, serta penggunaan skala jawaban. Kegiatan Pengabdian kepada Masyarakat ini bertujuan untuk melakukan sosialisasi dan pendampingan pengisian kuesioner guna meningkatkan pemahaman orang tua murid serta mendukung validitas dan reliabilitas data evaluasi kebijakan pendidikan karakter di TKN Pembina 4 Pangkalpinang. Metode pelaksanaan meliputi sosialisasi kebijakan pendidikan karakter, penjelasan teknis pengisian kuesioner, serta pendampingan langsung kepada orang tua murid selama proses pengisian. Hasil kegiatan menunjukkan adanya peningkatan pemahaman orang tua terhadap tujuan kuesioner, indikator penilaian, dan penggunaan skala jawaban, serta menurunnya kesalahan pengisian dan ketidakkonsistenan respons. Dengan demikian, kegiatan sosialisasi dan pendampingan ini terbukti efektif dalam mendukung pengumpulan data yang lebih akurat sebagai dasar evaluasi implementasi kebijakan pendidikan karakter di satuan pendidikan anak usia dini
Model Kausal Pengaruh Fasilitas dan Konten Digital terhadap Kompetensi Teknologi Informasi Siswa dengan Mediasi Minat Belajar Ezar Aziz; Yulianti; Wishnu Aribowo Probonegoro
JSAI (Journal Scientific and Applied Informatics) Vol 9 No 1 (2026): Januari
Publisher : Fakultas Teknik Universitas Muhammadiyah Bengkulu

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36085/jsai.v9i1.9869

Abstract

This study aims to analyze the effect of facility availability and digital content on students’ information technology competencies with learning interest as a mediating variable. A quantitative approach with a survey method was employed involving 178 students from Information Technology and Visual Communication Design programs. Data were analyzed using multiple regression, simple regression, and path analysis with SPSS 25. The results indicate that facility availability and digital content have a positive and significant effect on students’ learning interest, accounting for 68.2% of the variance. Learning interest also has a significant positive effect on students’ information technology competencies, contributing 61.5% of the variance. Furthermore, digital content shows a significant indirect effect on students’ competencies through learning interest. These findings highlight the strategic role of learning interest as a mediating variable in the causal model of digital learning and imply that improving students’ competencies requires not only adequate facilities and high-quality digital content but also instructional strategies that foster students’ learning interest.
TRANSFORMASI BARANG BEKAS MENJAD PRODUK KREATIF DAN BERNILAI MELALUI IMPLEMENTASI CREATIVE THINKING PADA MAHASISWA Lili Indah Sari; Wishnu Aribowo Probonegoro; Supardi Supardi; R.Ferry Bakti. A
Community Development Journal : Jurnal Pengabdian Masyarakat Vol. 7 No. 3 (2026): Vol. 7 No. 3 (2026)
Publisher : Universitas Pahlawan Tuanku Tambusai

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/cdj.v7i3.59564

Abstract

Kemampuan berpikir kreatif itu sendiri merupakan proses mental yang memungkinkan seseorang untuk menemukan hal-hal baru yang sebelumnya belum pernah ada. kegiatan pengabdian kepada masyarakat ini dilakukan melalui implementasi creative thinking kepada mahasiswa dalam bentuk project pembelajaran melalui pengolahan barang bekas menjadi produk kreatif dan inovatif bernilai. Metode yang digunakan yaitu Metode PLA diterapkan untuk melibatkan mahasiswa secara aktif dalam mengidentifikasi permasalahan, menganalisis potensi barang bekas, serta merumuskan ide-ide inovatif yang dapat dikembangkan. Selanjutnya, metode PjBL digunakan untuk mengimplementasikan ide tersebut melalui proyek pembuatan produk kreatif berbasis barang bekas. Tujuan dari pengabdian Masyarakat ini yaitu mahasiswa mampu menciptakan dan merealisasikan ide, mengasah dan meningkatkan kemampuann creative thnking mahasiswa,mengembangankan kreativitas mahasiswa dalam mengolah barang bekas menjadi produk bernilai, menumbuhkan jiwa kewirausahaan dan kemampuan melihat peluang bisnis. Beberapa produk yang dihasilkan,seperti : tempat tisu, lampu dekoratif dai botol plasti dan kaca, tas dari bungkus kopi,pot tanaman hias dari botol platik, rak penyimpanan multi fungsi dari kardus maupun dari botol plastic,tas dari botol plastic, tempat alat tulis, celengan, mainan, kalender bahkan jam dinding dari koran dan lainnya.
Explainable XGBoost-Based Prediction of Student Reading Interest Using Digital Learning and Reading Behavior Indicators Delpiah Wahyuningsih; Heki Aprianto; Lili Indah Sari; Wishnu Aribowo Probonegoro; Sri Rahayu; Serly Oktarina
Journal of Information System and Informatics Vol 8 No 4 (2026): August
Publisher : Asosiasi Doktor Sistem Informasi Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.63158/journalisi.v8i4.1698

Abstract

Reading interest is an important indicator of academic engagement and lifelong learning, yet its relationship with digital learning behavior remains underexplored in higher education. This study proposes an explainable machine learning framework to predict student reading interest using digital learning behavior, reading habits, and demographic characteristics. Data were collected through self-reported questionnaires from 300 Indonesian university students. Reading interest was formulated as a binary target variable, and three feature scenarios were evaluated: digital behavior only (S1), reading behavior only (S2), and an integrated model combining all features (S3). The dataset was divided using an 80:20 stratified train–test split, with SMOTE applied only to the training data to address class imbalance while preventing information leakage. S3 achieved the highest ROC-AUC (91.92%) and cross-validation F1-score (86.62% ± 3.34%), while S1 obtained the same test accuracy (84.29%) and a slightly higher test F1-score (85.33%). SHAP analysis provided interpretability by identifying daily reading duration and monthly book count as key predictors. These findings indicate that multidimensional behavioral indicators can support early student-engagement screening systems. However, results from a single institutional context require cautious interpretation.
Co-Authors Ade Septryanti Ardiana Delpiah Wahyuningsih Ellya Helmud Ezar Aziz Heki Aprianto Lili Indah Sari Lili Indah Sari Lili Indah Sari Lilo Renaldi Maya Saftari Parlia Romadaina Parlia Romadiana Parlia Romadiana R Burham Isnanto R.Ferry Bakti. A Serly Oktarina Sri Rahayu Supardi Supardi Supardi Yulianti