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All Journal Informatics and Enginering Dedication Jurnal Software Engineering and Computational Intelligence
Michael Joy Clement
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Implementasi Preprocessing dan Synonym Expansion untuk Sistem Temu Kembali Berita Bahasa Indonesia Adrian Suparto; Michael Joy Clement; Abdul Rahman; Hafiz Irsyad
Jurnal Software Engineering and Computational Intelligence Vol 3 No 01 (2025)
Publisher : Informatics Engineering, Faculty of Computer Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.36982/jseci.v3i01.5405

Abstract

In Indonesian information retrieval systems, vocabulary differences between user queries and target documents are often a major obstacle in obtaining relevant search results. This research examines the effectiveness of applying synonym-based query expansion techniques to improve search relevance in IR systems. The system is designed using TF-IDF weighting and Cosine Similarity technique to calculate the closeness between query and document. A total of 10 queries were tested against a collection of news documents, with a manual approach in expanding keywords based on synonyms referred from KBBI. The evaluation was conducted using Precision@20 as the main metric. The results showed that the precision increased significantly from an average of 0.51 without query expansion to 0.725 after synonyms were added to the query. This shows that query meaning expansion can improve search accuracy in the context of a rich natural language such as Indonesian. This research indicates that the integration of semantic-based expansion techniques has great potential in optimizing the performance of IR systems. In the future, automated approaches such as semantic embedding or digital synonym mapping can be an alternative for more extensive and efficient development.  
PENGENALAN TEKNOLOGI RFID DALAM SISTEM ABSENSI OTOMATIS BERBASIS KARTU FLAZZ DI SMA XAVERIUS 3 PALEMBANG Adrian Suparto; Michael Joy Clement; Jovansa Putra Laksana; Brilliant Chandra Pratama; Fernando Feliansyah; Muhammad Rizky Pribadi; Eka Puji Widiyanto
FORDICATE Vol 5 No 1 (2025): November 2025
Publisher : Universitas Multi Data Palembang, Fakultas Ilmu Komputer dan Rekayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35957/fordicate.v4i3.11704

Abstract

Abstrak: Kegiatan pengabdian kepada masyarakat ini bertujuan untuk memperkenalkan konsep dan implementasi sistem absensi otomatis berbasis teknologi RFID di lingkungan sekolah menengah. Tujuan utama kegiatan adalah memberikan pemahaman praktis kepada siswa mengenai cara kerja sistem absensi tanpa kontak dan manfaatnya dalam meningkatkan efisiensi administrasi. Metode yang digunakan meliputi sosialisasi langsung, penyampaian materi visual, serta demonstrasi aplikasi prototipe yang dikembangkan menggunakan antarmuka berbasis web dan pemindai kartu RFID. Hasil kegiatan menunjukkan respons positif dari siswa terhadap penggunaan teknologi tersebut. Demonstrasi berhasil memperlihatkan proses pencatatan kehadiran secara otomatis menggunakan kartu RFID dan bagaimana data disimpan dalam basis data lokal. Meskipun sistem belum diadopsi oleh pihak sekolah, aplikasi ini menunjukkan potensi sebagai solusi digital yang dapat diimplementasikan di masa mendatang. Kegiatan ini memberikan manfaat edukatif sekaligus mendorong kesadaran akan pentingnya transformasi digital dalam tata kelola sekolah.
Co-Authors Abdul Rahman Adrian Suparto Brilliant Chandra Pratama Eka Puji Widiyanto Fernando Feliansyah Hafiz Irsyad Jovansa Putra Laksana Muhammad Rizky Pribadi