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INDONESIA
Jurnal Sistem Informasi dan Informatika
Published by Universitas Dharma Andalas
ISSN : -     EISSN : 29859735     DOI : 10.47233/jiska
Core Subject : Science, Engineering,
Computer Science & IT Electrical & Electronics Engineering Materials Science & Nanotechnology
Jurnal Sistem Informasi dan Informatika (JISKA) merupakan jurnal yang diterbitkan oleh Program Studi Sistem Informasi Universitas Dharma Andalas dengan nomor E-ISSN : 2985-9735. Jurnal JISKA Volume 1 Nomor 1 terbit pada bulan Januari 2023 dan dapat diterbitkan tepat waktu. Jurnal JISKA direncanakan untuk terbit dalam rentang waktu 6 bulan yang artinya dua kali dalam setahun yaitu setiap bulan Januari dan Juli. Jurnal ini berisi artikel yang mencangkup bidang ilmu komputer dan teknologi informasi yang dimaksudkan sebagai media dokumentasi dan informasi ilmiah yang sekiranya dapat membantu para dosen, staf dan mahasiswa dalam menginformasikan dan mempublikasikan hasil penelitian, opini, tulisan dan kajian ilmiah lainnya kepada masyarakat ilmiah. Melalui jurnal ini kami mengundang peneliti dan pembaca untuk submit artikel pada Jurnal Sistem Informasi dan Informatika secara online. Kami pula mengucapkan banyak terima kasih kepada semua pihak yang telah membantu penerbitan jurnal ini. Terakhir harapan kami semoga jurnal ini dapat membantu semua pembaca baik dosen maupun mahasiswa serta para peneliti di bidang ilmu komputer dan teknologi informasi dalam mengembangkan ilmu komputer dan teknologi informasi demi kemajuan bersama.
Arjuna Subject : Ilmu Komputer (semua kategori) - Ilmu Komputer (Lain-Lain)
Articles 56 Documents
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Pemanfaatan Media Sosial untuk Branding (Studi Deskriptif pada Vamelania Laundry) Hendrico Y
Jurnal Sistem Informasi Dan Informatika Vol 4 No 1 (2026): Januari 2026
Publisher : Prodi Sistem Informasi Universitas Dharma Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jiska.v4i1.2459

Abstract

Building branding on social media isn't just about posting great photos or diligently creating Stories. It's about how the audience perceives the Vamelania Laundry brand among millions of other content. Think of social media as a digital living room where you can chat with potential customers. Branding is the promise and feeling people remember when they hear a business name. Branding is creating a persuasive message that effectively attracts consumers' attention. Based on these facts, Instagram isn't just a place to show off photos in the world of branding; it's a Visual Showcase and Connection Center. Due to its highly visual nature, this platform plays a crucial role in shaping audience perceptions of a brand. Vamelania Laundry, a pioneer in machine-based laundry services, offered by the piece and by the kilo in 2007, promoted its services using Instagram. The purpose of this study was to determine the branding activities carried out by Vamelania Laundry on its Instagram social media account and to determine the factors that led to Instagram being chosen as an active branding medium. This research method used was descriptive qualitative, which is a fact-finding method by collecting data in the form of words and images, not numbers. Therefore, this study will contain several data excerpts to illustrate the presentation of the report. Researchers concluded that Vamelania Laundry utilizes Instagram effectively, as evidenced by its diverse branding activities and its ability to utilize various available features.
Implementasi Protokol Redis Pub/Sub Menggunakan Python untuk Sistem Monitoring Suhu IoT Secara Real-Time Hadadd Sammir; Khairil Hamdi; Isnardi .
Jurnal Sistem Informasi Dan Informatika Vol 4 No 1 (2026): Januari 2026
Publisher : Prodi Sistem Informasi Universitas Dharma Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jiska.v4i1.2486

Abstract

This research implements the Redis Publish/Subscribe (Pub/Sub) mechanism using the Python programming language for real-time transmission of IoT temperature sensor data. The primary focus of this study is to address latency challenges in data distribution for logging and alerting system requirements. The system is designed with an architecture where temperature data is published to a Redis channel and simultaneously received by multiple subscribers. One subscriber unit is responsible for recording data into a database for historical analysis, while another unit validates temperature thresholds to trigger instant alerts upon detecting anomalies. Test results demonstrate that the use of Redis Pub/Sub effectively achieves decoupling between data senders and receivers, thereby enhancing system scalability. This architecture proves capable of distributing information with low latency and high efficiency. This study concludes that Redis Pub/Sub is a reliable solution for IoT monitoring systems that require rapid response and seamless data synchronization between monitoring functions and preventive actions.
Analisis Hierarchical Clustering untuk Segmentasi Pelanggan pada Dataset Mall Customers Maissy Angelica Pakpahan; Sirlia Sahid; Mika M.F Simanullang; Rifqi Putra Winanda
Jurnal Sistem Informasi Dan Informatika Vol 4 No 1 (2026): Januari 2026
Publisher : Prodi Sistem Informasi Universitas Dharma Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jiska.v4i1.2615

Abstract

Penelitian ini bertujuan untuk menganalisis segmentasi pelanggan menggunakan metode Hierarchical Clustering pada dataset Mall Customers. Tujuan utama penelitian adalah mengelompokkan pelanggan berdasarkan kemiripan Annual Income dan Spending Score. Metode penelitian meliputi preprocessing data menggunakan normalisasi Z-score, perhitungan jarak Euclidean, serta proses clustering menggunakan metode Ward linkage. Penentuan jumlah cluster optimal dilakukan dengan menggunakan beberapa metrik evaluasi seperti Silhouette Score, Calinski-Harabasz Index, dan Davies-Bouldin Index. Hasil penelitian menunjukkan bahwa jumlah cluster optimal adalah lima dengan performa clustering yang baik ditunjukkan oleh nilai Silhouette yang tinggi dan Davies-Bouldin yang rendah. Setiap cluster merepresentasikan segmen pelanggan yang berbeda seperti pelanggan dengan pendapatan tinggi dan belanja tinggi maupun rendah. Hasil ini dapat digunakan sebagai dasar strategi pemasaran yang lebih efektif.
Penerapan Random Forest untuk Klasifikasi Diagnosis Kanker Payudara Berbasis Dataset WBCD Naufal Aqiilah Asra; Maulana Al Nouri; Tia Risky Yasmin Saketang; Repi Meilani Putri
Jurnal Sistem Informasi Dan Informatika Vol 4 No 1 (2026): Januari 2026
Publisher : Prodi Sistem Informasi Universitas Dharma Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jiska.v4i1.2633

Abstract

Breast cancer is one of the most critical global health challenges, with Indonesia recording 66,271 new cases in 2022 according to GLOBOCAN data published by the International Agency for Research on Cancer (IARC/WHO). Early and accurate detection is essential to improving patient survival rates, yet conventional diagnosis remains time-consuming and dependent on expert availability. This study implements the Random Forest algorithm to classify breast cancer diagnosis using the Wisconsin Breast Cancer Diagnostic (WBCD) dataset from the UCI Machine Learning Repository. The dataset consists of 569 samples with 30 numerical features extracted from fine-needle aspirate (FNA) cell images, labeled as benign or malignant. Data preprocessing involved removing non-predictive columns, converting categorical labels to binary format, handling outliers using IQR Clipping, and applying StandardScaler normalization. The dataset was split into 80% training and 20% testing using stratified splitting, with the Random Forest Classifier configured using 100 decision trees and class_weight=balanced to handle class imbalance. Model performance was evaluated using accuracy, precision, recall, and F1-score metrics alongside confusion matrix analysis and 5-Fold Stratified Cross Validation. The model achieved 97.37% accuracy on the test set, with zero False Positive predictions, meaning no benign patient was misdiagnosed as malignant. Cross-validation confirmed generalization ability with a mean accuracy of 96.31%, indicating no overfitting. Feature importance analysis identified area_worst, concave points_worst, and perimeter_worst as the most dominant features, consistent with the clinical morphological characteristics of malignant cancer cells. These findings demonstrate the strong potential of Random Forest as a reliable and interpretable tool for supporting breast cancer diagnosis.
Penerapan Metode Agglomerative Clustering Untuk Segmentasi Data Dalam Lingkungan Big Data Paskal Arienda Epindonta Ginting; Risky Immanuel Situmorang; Muhammad Raihansyah Lubis; Raja Ansel Hartama Sihombing; Arnita Piliang
Jurnal Sistem Informasi Dan Informatika Vol 4 No 1 (2026): Januari 2026
Publisher : Prodi Sistem Informasi Universitas Dharma Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jiska.v4i1.2639

Abstract

The exponential growth of data in the digital era has increased the need for analytical methods capable of handling Big Data characteristics. This study examines the application of Agglomerative Hierarchical Clustering (AHC) for data segmentation using two datasets: (1) an Iris dataset of 24 samples with 8 morphological attributes, and (2) an e-commerce transaction dataset of 10 customer records. Ward linkage was selected based on literature evidence of its superiority. Results on the Iris dataset yielded 3 optimal clusters with a Silhouette Score of 0.4196 and an Adjusted Rand Index of 0.3635, achieving 70.83% classification accuracy. In the e-commerce dataset, three customer segments were formed: premium, middle-tier, and passive customers. These findings confirm AHC as an effective multidimensional data segmentation method.
E-Government Berbasis Android Pada Desa Tempuran Kecamatan Trimurjo Kabupaten Lampung Tengah Pamuji Setiawan
Jurnal Sistem Informasi Dan Informatika Vol 4 No 2 (2026): Juli 2026
Publisher : Prodi Sistem Informasi Universitas Dharma Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.47233/jiska.v4i2.2722

Abstract

Pelayanan publik di tingkat pemerintahan desa seringkali menghadapi kendala efisiensi waktu, jarak fisik, dan transparansi informasi kependudukan. Penelitian ini bertujuan untuk merancang dan membangun aplikasi E-Government berbasis Android di Desa Tempuran, Kecamatan Trimurjo Kabupaten Lampung Tengah, guna meningkatkan kualitas pelayanan administrasi dan penyebaran informasi kepada masyarakat secara real-time. Metode pengembangan sistem yang digunakan adalah Waterfall, yang meliputi tahap analisis kebutuhan, perancangan, pengodean, dan pengujian. Sistem ini dibangun menggunakan arsitektur Client-Server, di mana sisi mobile client berbasis Android dikembangkan dengan framework Flutter (Dart) dan sisi server/admin menggunakan PHP (Laravel) serta MySQL sebagai basis data. Pengujian fungsionalitas dilakukan menggunakan Black-Box Testing dengan hasil 100% valid, sementara pengujian aspek kegunaan menggunakan metode System Usability Scale (SUS) yang disebarkan kepada 30 responden warga Desa Tempuran menghasilkan skor rata-rata 81,2 (Kategori Excellent). Hasil penelitian menunjukkan bahwa implementasi aplikasi ini berhasil memangkas waktu pengurusan surat pengantar administrasi desa secara signifikan serta meningkatkan indeks transparansi anggaran desa.

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