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All Journal TELKOMNIKA (Telecommunication Computing Electronics and Control) Infotech Journal JURNAL TEKNIK INFORMATIKA DAN SISTEM INFORMASI International Journal of New Media Technology Martabe : Jurnal Pengabdian Kepada Masyarakat Jurnal ULTIMA InfoSys Jurnal ULTIMATICS Jurnal ULTIMA Computing Simtek : Jurnal Sistem Informasi dan Teknik Komputer Jurnal Tekno Kompak Jurnal Tekinkom (Teknik Informasi dan Komputer) G-Tech : Jurnal Teknologi Terapan BERNAS: Jurnal Pengabdian Kepada Masyarakat Jurnal Teknologi Informasi dan Komunikasi Journal of Applied Data Sciences DEDIKASI PKM Prosiding Konferensi Nasional PKM-CSR Indonesian Community Journal Aptekmas : Jurnal Pengabdian Kepada Masyarakat Jurnal Informatika Teknologi dan Sains (Jinteks) Jurnal Ilmiah Sistem Informasi dan Ilmu Komputer Journal of Artificial Intelligence and Digital Business
Ni Made Satvika Iswari
Universitas Primakara
Religion Aerospace Engineering Agriculture, Biological Sciences & Forestry Arts Humanities Astronomy Automotive Engineering Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Dentistry Earth & Planetary Sciences Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Health Professions Immunology & microbiology Industrial & Manufacturing Engineering Languange, Linguistic, Communication & Media Law, Crime, Criminology & Criminal Justice Library & Information Science Materials Science & Nanotechnology Mathematics Mechanical Engineering Medicine & Pharmacology Neuroscience Nursing Physics Public Health Social Sciences Transportation Veterinary Other

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Journal : Infotech Journal

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PENERAPAN DATA MINING UNTUK MENENTUKAN KELAYAKAN KENDARAAN SEPEDA MOTOR BEKAS MENGGUNAKAN ALGORITMA C4.5 Ni Kadek Juliani; Ni Made Satvika Iswari; Nengah Widya Utami
INFOTECH journal Vol. 11 No. 2 (2025)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/infotech.v11i2.15338

Abstract

Determining the feasibility of used motorcycles is one of the challenges for companies in selecting attributes that cover various factors, such as physical condition, maintenance history, and reasonable price. In this study, the researcher aims to analyze the existing problems and provide decision results by applying the C4.5 algorithm to determine the feasibility of used motorcycles based on relevant data. The C4.5 algorithm has the capability to build decision trees to automate and improve the accuracy of the feasibility determination process. In this research, attributes such as motorcycle model, year, engine, kilometers, fuel type, modifications, engine overhaul, oil type, transmission, engine type, and displacement are used as determining variables.Furthermore, to avoid overfitting that may occur due to overly complex decision trees, the researcher also applies pruning techniques to the C4.5 algorithm. Pruning functions to trim insignificant branches of the tree so that the model becomes simpler. With pruning, it is expected that the resulting decision tree will be not only accurate but also efficient, enabling the feasibility determination process of used motorcycles to be conducted optimally. Therefore, after applying pruning techniques, the model achieved an accuracy of 72.41%, precision of 68.42%, recall of 86.67%, and F1-score of 76.47%.
RANCANG BANGUN LMS BERBASIS MOODLE UNTUK PENINGKATAN KUALITAS PENDIDIKAN DI SMP GENTA SARASWATI GIANYAR Ni Putu Gunaprya Dharmapatni; Ni Made Satvika Iswari; I Nyoman Yudi Anggara Wijaya
INFOTECH journal Vol. 11 No. 2 (2025)
Publisher : Universitas Majalengka

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31949/infotech.v11i2.15831

Abstract

Penelitian ini bertujuan untuk merancang dan menerapkan Learning Management System (LMS) berbasis Moodle di SMP Genta Saraswati sebagai upaya mempermudah guru dalam mendistribusikan materi ajar dan mengelola tugas siswa secara daring. Pengembangan sistem dilakukan menggunakan model ADDIE yang mencakup tahap analisis, desain, pengembangan, implementasi, dan evaluasi. Evaluasi sistem dilakukan dengan melibatkan 30 responden yang terdiri atas guru dan siswa melalui kuesioner berbasis teori SEPENTES, yang menilai aspek kemudahan penggunaan, kelengkapan fungsi, aksesibilitas, dan stabilitas sistem. Hasil evaluasi menunjukkan bahwa sekitar 80% pengguna merasa LMS sangat bermanfaat dalam mendukung proses pembelajaran. Skor rata-rata tertinggi diperoleh pada aspek aksesibilitas dengan nilai 4,5 dari 5, sedangkan skor terendah terdapat pada aspek kelengkapan fungsi dengan nilai 3,9, yang menunjukkan perlunya pengembangan fitur tambahan. Selain memberikan manfaat langsung bagi sekolah, penelitian ini juga membantu pengembang memperoleh kompetensi dalam analisis kebutuhan, perancangan sistem e-learning, serta penyusunan dan analisis instrumen evaluasi. Secara keseluruhan, LMS ini diharapkan mampu menjadi solusi untuk mendukung pembelajaran digital yang efektif, interaktif, dan berkelanjutan di sekolah
Co-Authors A. A. Istri Ita Paramitha Adhi Kusnadi Adnyani, Dewa Ayu Anggi Afriliana, Nunik Agustyan Hidayat Andre Rusli Andre Utomo Martliong Anugrah Cahya Dewi, Putri Bagus Nugraha Sindhu, I Gd Putu Bimo Satriantoro David Domarco Dennis Gunawan Dewi, Putri Anugrah Cahya Dharma, Eddy Muntina Dwi Eva Pramesti, Ni Made Dwiyanti Gunaswari, Made Dyah Ayu Anggreini Tuasikal Eddy Muntina Dharma Eko K. Budiardjo Fredlina , Ketut Queena I Gede Juliana Eka Putra I Gede Juliana Eka Putra I Gede Prana Yoga I Gede Putu Krisna Juliharta I Made Surya Kumara I Nyoman Yudi Anggara Wijaya I Nyoman Yudi Anggara Wijaya I Putu Eka Indrayana Juliana Eka Putra, I Gede Kadek Intan Janeta Pratiwi Ketut Queena Fredlina Lin, Lin Andriani Luthfialmas Fakhrizki Malik Abdul Ghani Marlinda Vasty Overbeek MB Nugraha Moeljono Widjaja Mulyosaputro, Matthew Alden Muntina Dharma, Eddy Nengah Widya Utami Ni Kadek Juliani Ni Putu Gunaprya Dharmapatni Ni Putu Noviyanti Kusuma Ni Putu Widya Yuniari Nyoman Purnama, Nyoman PERMANA, LEON FARREL AGUNG Putri, Ni Luh Putu Adela Sartian Putu Krisna Juliharta, I Gede Ranny Ranny Reza Setiabudi Risa Rahayu Setiawati, Ni Wayan Robi Rianto Ryan Adiputra Samuel Christoper Santo Syakh Alam, Helmy Wella Wella Wella Wella Widya Utami, Nengah Winarno Winarno Yaman Khaeruzzaman Zainal Arifin Hasibuan