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Study Literatur Review: PENDEKATAN K-NEAREST NEIGHBORS UNTUK KLASIFIKASI PENYAKIT KARDIOVASKULAR Rosyani, Perani; Chikal Bunga Juniyanti; Fatika Nur Naimah; Keneth Langit Baranduda; Rayhan Arjuno Wibowo
Buletin Ilmiah Ilmu Komputer dan Multimedia Vol 2 No 4 (2024): Buletin Ilmiah Ilmu Komputer dan Multimedia (BIIKMA)
Publisher : Shofanah Media Berkah

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Abstract

Penyakit kardiovaskular, yang melibatkan penyempitan serta penyumbatan pada pembuluh darah, merupakan salah satu kontributor utama angka kematian di banyak negara. Faktor risiko yang tinggi sering kali disebabkan oleh kurangnya perhatian terhadap pola hidup sehat, seperti kebiasaan makan yang buruk dan kurangnya aktivitas fisik. Untuk itu, diperlukan metode analisis yang dapat memprediksi risiko penyakit ini secara lebih akurat. Metode K-Nearest Neighbor (KNN) adalah pendekatan berbasis data yang terbukti mampu memberikan hasil akurasi tinggi dalam klasifikasi data medis, termasuk diagnosis penyakit kardiovaskular. Dengan menganalisis indikator seperti akurasi, recall, precision, serta f1-score, algoritma ini menawarkan keandalan tinggi dalam mengolah data medis. Harapan dari penelitian ini adalah memberikan dasar bagi penurunan angka prevalensi penyakit kardiovaskular secara global.
PERANCANGAN APLIKASI PROGRAM LOYALITAS PELANGGAN BERBASIS WEB PADA BI COFFEE Keneth Langit Baranduda; Rayhan Arjuno Wibowo; Iktiar Jerryansyah Putra; Wasis Haryono
JURNAL ILMIAH RESEARCH STUDENT Vol. 2 No. 2 (2025): September
Publisher : CV. KAMPUS AKADEMIK PUBLISING

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.61722/jirs.v2i2.5763

Abstract

This research develops a web-based application for a customer loyalty program at Bi Coffee, a growing food and beverage business in the South Tangerang area. The approach used includes direct observation, in-depth interviews, and a review of relevant literature. The designed system can digitally record customer points, provide a reward exchange feature, and display the latest promotional information. The application was built using React, Node.js, Express, and PostgreSQL technologies, supported by UML diagrams such as use case, activity, and ERD. In conclusion, this application effectively replaces the manual recording previously used while significantly improving operational efficiency and customer experience.
Analisis Komparatif Degradasi Throughput, Latensi, dan Stabilitas Jaringan Wireless LAN: Studi Empiris Koneksi Direct Router versus Mode Repeater Menggunakan Xiaomi Mi WiFi Range Extender Pro (R03) dalam Perspekti Keneth Langit Baranduda; Adi Saputra; Sopiyan Apandi
BINER : Jurnal Ilmu Komputer, Teknik dan Multimedia Vol. 3 No. 5 (2025): BINER : Jurnal Ilmu Komputer, Teknik dan Multimedia
Publisher : CV. Shofanah Media Berkah

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Abstract

This study presents a comprehensive analysis of Wireless Local Area Network (WLAN) infrastructure performance in residential and Small Office Home Office (SOHO) environments, specifically focusing on the impact of signal repeaters on data integrity and quality of service. Motivated by the prevalence of blank spots hindering connectivity in the era of digital transformation, this research compares two primary topologies: direct connection to the main Access Point and bridged connection using the Xiaomi Mi WiFi Range Extender Pro (Model R03). Utilizing quantitative experimental methodology and TIPHON (Telecommunications and Internet Protocol Harmonization Over Networks) measurement standards, the tested parameters include Throughput, Packet Loss, Delay (Latency), Jitter, and Received Signal Strength Indicator (RSSI). The results reveal a performance dichotomy: while the extender significantly improves RSSI in dead zones, there is a massive throughput degradation of 50-60% due to the half-duplex mechanism on the single 2.4 GHz radio, alongside a latency increase of up to 300%. These findings are analyzed by integrating computational frameworks from Sopiyan Apandi's research on decision support systems and algorithmic classification, offering new insights into the trade-off between signal coverage and transmission quality in modern information system implementations.